Arthropoda Selecta 14 (4): 347–371 © ARTHROPODA SELECTA, 2005

Linyphiid spiders of the Norsky Nature Reserve, Amurskaya Area, Russian Far East (Arachnida: Aranei)

Ïàóêè-ëèíèôèèäû Íîðñêîãî çàïîâåäíèêà (Àìóðñêàÿ îáëàñòü, Äàëüíèé Âîñòîê Ðîññèè) (Arachnida: Aranei)

A.V. Tanasevitch À.Â. Òàíàñåâè÷

Centre for Forest Ecology and Productivity, Russian Academy of Science, Profsoyuznaya Str. 84/32, Moscow 117997 Russia. Öåíòð ïî ïðîáëåìàì ýêîëîãèè è ïðîäóêòèâíîñòè ëåñîâ ÐÀÍ, Ïðîôñîþçíàÿ óë. 84/32, Ìîñêâà 117997 Ðîññèÿ.

KEY WORDS: Spiders, Linyphiidae, Norsky Nature Reserve, Russian Far East, faunistics, distribution. ÊËÞ×ÅÂÛÅ ÑËÎÂÀ: Ïàóêè, Linyphiidae, Äàëüíèé Âîñòîê, ôàóíèñòèêà, ðàñïðîñòðàíåíèå.

ABSTRACT. A checklist of 109 species of the — Dark coniferous grassy-mossy forests with Pi- spider family Linyphiidae collected in the Norsky Na- cea, Abies, Populus; ture Reserve, Amurskaya Area is compiled. One spe- — Larix sparse woodland with Sphagnum; cies, Hypselistes australis Saito et Ono, 2001, is re- — Wet grassy-Carex and dwarf-bush-grassy hum- ported as new to the Russian fauna. Faunistic data and mocky open terrain; the distribution pattern of each of the species are docu- — Nemoral grassy forests with Betula daurica. mented. The reserve occupies a highly interesting geograph- ical position, lying at the border between the East Palae- ÐÅÇÞÌÅ. Ïðèâåäåí àííîòèðîâàííûé ñïèñîê arctic and East Chinese regions. So the knowledge of 109 âèäîâ ïàóêîâ ñåìåéñòâà Linyphiidae Íîðñêîãî its fauna seems to be important from a zoogeographical çàïîâåäíèêà (Àìóðñêàÿ îáëàñòü). Äàíû òî÷êè íàõî- viewpoint. äîê âèäîâ è èõ ðàñïðîñòðàíåíèå. Îäèí âèä, Hypse- This study is based on the extensive collections made listes australis Saito et Ono, 2001, âïåðâûå îòìå÷åí by Alexander B. Ryvkin and Elena M. Veselova (Mos- íà òåððèòîðèè Ðîññèè. cow, Russia) in the Norsky Nature Reserve in 2004 and 2005. These collections are provided with most detailed Introduction descriptions of the floristic background, thus being high- ly valuable for ecological purposes as well. The Norsky State Nature Reserve lies in the north- The material is stored in the Zoological Museum of eastern part of the Amur-Zeya plain between Nora and the Moscow State University, Moscow. Selemdzha rivers, Amurskaya Area (= Amur Prov- ABBREVIATIONS. The following abbreviations ince), Russia, with the centre of the reserve at about have been used in the text: A.R. — A. Ryvkin; E.V. — 52°40' N, 130°20' E (see Map). The spider fauna of the E. Veselova, N.N.R. — Norsky Nature Reserve, Prov. reserve has hitherto remained absolutely unknown. Only — province, ZMMU — Zoological Museum of the a few linyphiids have been documented from the Zeisky Moscow State University. Nature Reserve, Amurskaya Area, situated ca 260 km NW of the Norsky Nature Reserve, while the linyphiid fauna of the Bureinsky Nature Reserve, Khabarovsk List of linyphiid spiders (=Habarovsk) Povince (ca 330 km E) is known quite well [Tanasevitch & Trilikauskas, 2004; Trilikauskas Abiskoa abiskoensis (Holm, 1945) & Tanasevitch, 2006]. The territory of the reserve is regularly subjected to MATERIAL. 1 #, N.N.R., Nora River, Mt. Gryashchinskaya, fires. Therefore the vegetation cover represents a mo- mosses and leaf litter on steep rocky slope with Betula platy- saic with the following main elements: phylla , Alnus sp., Sorbus sibirica , Swida alba, undergrowth of Acer ukurunduense , Pleurozium schreberi , Hylocomium splen- — Light coniferous grassy forests with Larix, Betu- dens , Dicranum sp., Ptilium crista-castrensis , Sphagnum girgen- la, Rhododendron and Alnus; sohnii, Dryopteris fragrans, etc., 25.VIII.2004, leg. A.R. 348 A.V. Tanasevitch

A.R.; 2 $$, N.N.R. (buffer zone), Burunda River basin, 1.5–2 km NW of Burunda cordon, mosses and plant debris on swamp near Kamyshovoye Lake: Sphagnum spp., Hypnum sp., dense growth of Chamaedaphne calyculata, Menyanthes trifoliata, Comarum palustre, Eriophorum sp., separate tussocks of Carex sp., sparse Poaceae, etc., 13.IX.2004, leg. A.R.; 1 $, Nora River basin, 1.5 km up-stream of Mt. Gryashchinskaya, moss and plant debris on Carex-Eriophorum swamp with Chamaedaphne calyculata, gramineous admixture, Comarum palustre, Salix sp., Vaccinium uliginosum , Sphagnum spp., etc., 25.VIII.2004, leg. A.R.; 2 ##, 3 $$, Nora River basin, 1.5 km up-stream of Mt. Gryashchinskaya, mosses and plant debris on open swamp along lake side: tussocks of Carex spp. and Poaceae with Sphagnum ?girgensohnii , Sph. ?angustifolium , Sph. ?magellani- cum , Sph. squarrosum , Sph. spp., Chamaedaphne calyculata, Vaccinium uliginosum, sparse Ledum palustre, Salix sp., Betula ?fruticosa, etc., 24.VIII.2004, leg. A.R.; 3 $$, Selemdzha River basin, flood-plain of Aldikon River near Norsk, mosses and leaf litter under Salix sp. and along the edge of open sedge- gramineous tussock swamp, 05.IX.2004, leg. A.R.; 1 #, Burunda River near Ozyornyi Rill mouth, mosses and plant debris among sedge-gramineous tussocks on very gentle slope near intermittent channel: Carex spp., Calamagrostis sp., Polytrichum sp. and other true mosses, Spiraea sp., etc., 28.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. (buffer zone), Burunda River basin near Burunda cordon, plant debris and mosses on swampy sides of flood-plain lake: Carex spp., Poaceae, Spiraea sp., sparse Cli- macium sp., Hypnum sp., Sphagnum sp., Polytrichum sp., etc., 09.IX.2004, leg. A.R.; 2 ##, 3 $$, N.N.R. (buffer zone), Burunda River basin, 0.5–0.7 km NW of Burunda cordon, Map. Locations of the Norsky, Zeisky and Bureinsky Na- sedge-gramineous swamp with Sphagnum ?girgensohnii and true ture Reserves. mosses around lake, 10.IX.2004, leg. A.R.; 1 #, 3 $$, near Êàðòà. Ìåñòîðàñïîëîæåíèå Íîðñêîãî, Çåéñêîãî è border of buffer zone of N.N.R., Burunda River basin, 4 km Áóðåèíñêîãî çàïîâåäíèêîâ. NW of Burunda cordon, mosses and plant debris and sweeping on large burnt swamp with Vaccinium uliginosum , Ledum palustre , Eriophorum sp., Betula ovalifolia , B. ?fruticosa, Chamaedaphne calyculata, Sphagnum spp., Polytrichum spp., etc., DISTRIBUTION. From Fennoscandia via the tundra and 11.IX.2004, leg. A.R.; 2 $$, N.N.R. (buffer zone), Burunda River northern taiga to the Urals; in Siberia known from the Urals basin, 1.5–2 km NW of Burunda cordon, mosses and plant to East Siberia, Cisokhotia, Kamchatka and Sakhalin; through debris on swamp and among sedge-gramineous tussocks in the mountains of South Siberia via the Lake Baikal region sparse growth of burnt Betula platyphylla and Larix gmelinii eastward to Khabarovsk Prov. Recorded also from China. near Kamyshovoye Lake with Chamaedaphne calyculata , Co- marum palustre, Vaccinium uliginosum, Ledum palustre, Sphag- num spp., Polytrichum sp., Hypnum sp., etc., 19.IX.2004, leg. A.R.; Agyneta mollis (O. Pickard-Cambridge, 1871) 1 #, near border of buffer zone of N.N.R., Burunda River basin, 9 km SE of Burunda cordon, mosses and leaf litter in MATERIAL. 5 ##, N.N.R., Nora River basin near Malt- sparse growth of burnt Betula platyphylla and Larix gmelinii sevskiy cordon, mosses and plant debris on swampy flood-plain with spots of Alnus sp., dense growth of Ledum palustre, lakeside: Carex spp., Calamagrostis sp., Filipendula palmata, Vaccinium uliginosum, V. vitis-idaea on gentle slope, 20.IX.2004, Geranium sp., Comarum palustre, Spiraea sp., Salix sp., Sphagnum leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 2.5 ?girgensohnii , Sph. squarrosum , Polytrichum commune , P. sp., km SE of Burunda cordon, small true mosses and plant debris Climacium sp., Iris sp., etc., 28.VIII.2004, leg. A.R.; 1 #, 1 $, near among Carex spp. on sand, small shingles and clay along dried Meunskiy cordon, mosses and plant debris among Carex spp. & ephemeral stream near border of complex swamp, 21.IX.2004, Poaceae with Comarum palustre , Sphagnum squarrosum , Sph. leg. A.R.; 1 $, Burunda River, 2–3 km up-stream of Burunda spp., Aulacomnium sp. and other true mosses near side of flood- cordon, shingle-sandy spit: among shingles and in leaf litter plain lake and swampy road, 13.VIII.2004, leg. A.R.; 1 $, rill under Salix sp. with Poaceae, Dianthus sp., etc., 24.IX.2004, leg. (left confluent of Nora River) up-stream of Mt. Gryashchin- A.R.; 1 $, Burunda River near Ozyornyi Rill mouth, plant skaya, true mosses and plant debris among Carex spp., Poaceae, debris and mosses among tussocks of Carex spp. and Poaceae Alnus sp., Padus sp., Salix sp., etc., 26.VIII.2004, leg. A.R.; 1 #, with Spiraea sp., Vicia sp., small true mosses on gently sloping N.N.R. (buffer zone), Burunda River basin, 0.5–1 km NW of side of small flood-plain lake, 02.X.2004, leg. A.R.; 1 $, Burunda Burunda cordon, plant debris and small true mosses among River basin, Korolikha Mt., steep rocky slope: mosses and leaf Carex spp. & Poaceae along rill bank, 12.IX.2004, leg. A.R.; 1 $, litter under Betula platyphylla è Larix gmelinii c Rhododendron Selemdzha River basin, 3–4 km up-stream of Norsk, mosses sp., Hylocomium splendens, Pleurozium schreberi, etc., 03.X.2004, and plant debris on sides of drainage lakes (dammed rill), leg. A.R.; 1 #, Burunda River basin, Korolikha Mt., mosses and Carex spp., Poaceae, Filipendula palmata , Iris sp., Spiraea sp., plant debris along bank of Korolikha River near foot of steep ferns, motley grass, 07.IX.2004, leg. A.R.; 3 $$, N.N.R. (buffer rocky slope, 03.X.2004, leg. A.R.; 1 $, Nora River basin near zone), same, 1 km SE of Burunda cordon, moss and leaf litter Maltsevskiy cordon, Maltsevskoye Lake, mosses and leaf litter among sedge-gramineous tussocks and under young growth of among sedge and gramineous tussocks with Spiraea spp., Salix Betula sp. on wide open swamp, 04.X.2004, leg. A.R.; 1 #, 4 $$, sp., Filipendula palmata , Iris sp., Anemonidium dichotomum, N.N.R, Burunda River near Ozyornyi Rill mouth, plant debris Maianthemum bifolium , Polytrichum spp., Hypnum sp., Sphag- and mosses among tussocks of Carex spp. and Poaceae with num squarrosum , Sph. sp., Plagiomnium sp., undergrowth of Spiraea sp., Vicia sp., Plagiomnium sp. on open flood-plain Betula sp., etc., 13.VI.2005, leg. E.V. & A.R.; 2 $$, lower reaches depression with tracks of Capreolus capreolus, 01.X.2004, leg. of Chervinka River, mosses, ferns, leaf litter, plant debris on Linyphiid spiders of the Norsky Nature Reserve 349 banks of river and intermittent rill with tussocks of Carex spp., DISTRIBUTION. Amurskaya, Khabarovsk and Mari- Poaceae, Spiraea spp., Salix spp., Betula fruticosa, undergrowth time provinces; Mongolia. of Betula platyphylla, etc., 30.VI.2005, leg. E.V. & A.R.; 1 $, near border of N.N.R., left side of Selemdzha River opposite Dvadt- Agyneta nigra (Oi, 1960) satikha cordon, fold of small rill, mosses and leaf litter near rill and on fallen trees and stones in rill channel, among Alnus sp., Padus sp., Corylus mandshurica, Tilia amurensis, Acer ukurun- MATERIAL. 1 #, N.N.R., Nora River basin near Meunskiy duense , Betula platyphylla , B. davurica , Picea ajanensis , Abies cordon, swamp with sedge tussocks, Poaceae, Sphagnum squar- nephrolepis, etc., 28.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha rosum, Sph. spp., 14.VII.2005, leg. A.R. River basin near Dvadtsatikha cordon, mosses, leaf litter, plant DISTRIBUTION. East Siberia, Sakhalin, Lake Baikal debris among tussocks of Carex spp. and Poaceae with Filipen- region; Amurskaya, Khabarovsk and Maritime provinces. dula palmata, Trollius sp., Anemonidium dichotomum, Geranium Known also from Mongolia, China, Japan and Korea. sp., Iris sp., Spiraea spp., undergrowth Populus, Alnus sp. on side of a small lake and swamp on high flood-plain of Selemdzha Agyneta olivacea (Emerton, 1882) River, 23.VI.2005, leg. E.V. & A.R.; 1 #, rill (left confluent of Nora River), 1 km up-stream of Mt. Gryashchinskaya, true MATERIAL. 1 #, 4 $$, N.N.R., Nora River basin near mosses and plant debris among Carex spp., Poaceae, Alnus sp., Maltsevskiy cordon, Maltsevskoye Lake, mosses and leaf litter Padus sp., Salix sp., etc., 22.VII.2005, leg. A.R.; 2 $$, Nora River among sedge and gramineous tussocks with Spiraea spp., Salix near Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., Filipendula palmata , Iris sp., Anemonidium dichotomum, sp., Padus sp., Salix spp. with ferns, Poaceae, Carex spp., etc., on Maianthemum bifolium , Polytrichum spp., Hypnum sp., Sphag- clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; 2 $$, Nora num squarrosum , Sph. sp., Plagiomnium sp., undergrowth of River basin near Maltsevskiy cordon, Maltsevskoye Lake, moss- Betula sp., 13.VI.2005, leg. E.V. & A.R.; 1 #, 8 $$, lower reaches es and leaf litter among sedge tussocks with Poaceae, Sphagnum of Chervinka River, mosses, ferns, leaf litter, plant debris on spp., Polytrichum spp., Hypnum sp., Plagiomnium sp., Viola sp., banks of river and intermittent rill with tussocks of Carex spp., Filipendula palmata , Polemonium sp., Anemonidium dichoto- Poaceae, Spiraea spp., Salix spp., Betula ?fruticosa, undergrowth mum, etc., 14.VI.2005, leg. E.V. & A.R.; 1 $, Nora River basin of Betula platyphylla, 30.VI.2005, leg. E.V. & A.R.; 1 #, 9 $$, near Meunskiy cordon, mosses and plant debris on flood-plain Nora River near Maltsevskiy cordon, mosses, leaf litter, soil of intermittent rill with Alnus sp., Carex spp., Poaceae, Trienta- under Alnus sp., Padus sp., Salix spp. with ferns, Poaceae, Carex lis europaea , Convallaria keiskei , Sphagnum squarrosum , Sph. spp., etc., on clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; ?girgensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R.; 2 3 ##, 6 $$, Nora River basin near Maltsevskiy cordon, $$, near border of N.N.R., island on Selemdzha River near Maltsevskoye Lake, mosses and leaf litter among sedge and Dvadtsatikha cordon, banks of the river and old channel: gramineous tussocks with Spiraea spp., Salix sp., Filipendula shingles, clay, silt, sand, organic drift, 21.VI.2005, leg. E.V. & palmata, Iris sp., Anemonidium dichotomum, Maianthemum bifo- A.R.; 1 $, Nora River below Maltsevskiy cordon, mosses and lium, Polytrichum spp., Hypnum sp., Sphagnum squarrosum, Sph. leaf litter among Carex spp. and Poaceae on narrow spit sp., Plagiomnium sp., undergrowth of Betula sp., etc., and also between the river and the lake, 10.VI.2005, leg. E.V. & A.R.; 1 $, leaf litter among tussocks in young birch forest with Alnus sp., Selemdzha River basin near Dvadtsatikha cordon, sweeping on Spiraea spp., Filipendula palmata, Carex spp., Poaceae, 14.VI.2005, open swamp with Carex spp., Poaceae, Salix spp., Spiraea spp., leg. E.V. & A.R.; 1 #, 3 $$, Selemdzha River basin near Filipendula palmata , Iris sp., Valeriana sp. and on afforested Dvadtsatikha cordon, sweeping on open swamp with Carex swamp with Padus sp., Alnus sp., Betula platyphylla, Salix spp., spp., Poaceae, Salix spp., Spiraea spp., Filipendula palmata, Iris etc., 19.VI.2005, leg. E.V. & A.R.; 2 $$, near border of N.N.R., sp., Valeriana sp. and on afforested swamp with Padus sp., Alnus left side of Selemdzha River opposite Dvadtsatikha cordon, in sp., Betula platyphylla, Salix spp., 19.VI.2005, leg. E.V. & A.R. epigenous gill fungi on dead trees, 20.VI.2005, leg. E.V. & A.R.; DISTRIBUTION. Known from northeastern Europe (tun- 1 $, Selemdzha River basin, 1.5 km NE of Dvadtsatikha cordon, dra); in Asia, from the Urals to Chukotka, Cisokhotia; Mid- mosses and leaf litter on open swamp near lake: Carex spp., dle Asia, mountains of South Siberia, Amurskaya, Kha- Eriophorum spp., Poaceae gen. sp., Sphagnum spp., Hypnum spp., Salix sp., etc., 24.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha River barovsk and Maritime provinces, Sakhalin and Mongolia. basin, 5–6 km up-stream of Ekimchan, up-stream of Unerikan Widespread in the Nearctic as well. Rill mouth, 494–500 m, mosses, litter and sweeping near lakeside: Carex spp., Poaceae gen. spp., Eriophorum sp., Ledum Agyneta pseudosaxatilis Tanasevitch, 1984 palustre , Chamaedaphne calyculata , Vaccinium uliginosum, 04.VIII.2005, leg. A.R. MATERIAL. 1 $, Amurskaya Area, Selemdzhinsky District, DISTRIBUTION. Widespread in Europe, including the Selemdzha River basin, 5–6 km up-stream of Ekimchan, Un- tundra zone, the Caucasus, the Urals, West and Middle erikan Rill, 1–2 km up-stream of mouth, 490 m, mosses and Siberia; eastern Kazakhstan, Amurskaya and Khabarovsk leaf litter in forest and on open bank of rill: Abies nephrolepis, provinces. Known also from China and Japan. This is the Picea ajanensis , Larix gmelinii , Betula sp., Hylocomium splen- northeasternmost locality of the species. dens, Pleurozium schreberi, Sphagnum squarrosum, Sph. ?girgen- sohnii, Sph. spp., Poaceae, Equisetum spp., 05.VIII.2005, leg. A.R. DISTRIBUTION. Siberia: from the Urals eastward to Agyneta mongolica (Loksa, 1965) East Siberia, Cisokhotia, Kamchatka. Eastern Kazakhstan, through the mountains of South Siberia via the Lake Baikal region eastward to Khabarovsk Prov. MATERIAL. 3 ##, N.N.R., Nora River near Maltsevskiy cordon, mosses and leaf litter under Padus sp. with Poaceae, Carex spp., Equisetum sylvaticum, undergrowth of Populus trem- Anguliphantes dybowskii (O. Pickard-Cambridge, ula in depression behind natural levee, 15.VI.2005, leg. E.V. & 1873) A.R.; 2 ##, Selemdzha River basin, 1.5 km NE of Dvadtsatikha cordon, banks and flood-plain of a rill inflowing to lake, MATERIAL. 2 $$, N.N.R., Nora River basin near Meunskiy mosses and leaf litter under Salix spp., Alnus sp., undergrowth cordon, mosses and plant debris at flood-plain of a rill: Alnus of Betula platyphylla and Populus tremula , Spiraea spp. with sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, Poaceae, Carex spp., Trollius sp., Filipendula palmata, ferns, Sphagnum squarrosum, Sph. spp., Hypnum sp., 18.VIII.2004, leg. Sphagnum spp., Polytrichum spp., Hypnum sp., Plagiomnium sp., A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses and 26.VI.2005, leg. E.V. & A.R. plant debris at flood-plain of a rill: Alnus sp., Carex spp., 350 A.V. Tanasevitch

Poaceae, Trientalis europaea, Convallaria keiskei, Sphagnum squar- bifolium , Trientalis europaea , Equisetum pratense , Hylocomium rosum, Sph. spp., Hypnum sp., 15.VIII.2004, leg. A.R.; 1 #, 4 $$, splendens, Pleurozium schreberi, etc., 18.VIII.2004, leg. A.R.; 4 $$, rill (left confluent of Nora River) up-stream of Mt. Gryash- N.N.R. (buffer zone), Burunda River basin, 1 km NW of chinskaya, true mosses and plant debris among Carex spp., Burunda cordon, mosses and leaf litter in Alnus forest with Poaceae, Alnus sp., Padus sp., Salix sp. 26.VIII.2004, leg. A.R.; 1 Poaceae, Rubus idaeus, R. arcticus, R. humilifolius, Urtica sp., #, 2 $$, N.N.R. (buffer zone), Burunda River basin, 1.5 km sparse Carex sp. and Trientalis europaea near rill, 17.IX.2004, NW of Burunda cordon, plant debris among tussocks of Carex leg. A.R.; 1 $, Burunda River near Ozyornyi Rill mouth, mosses spp. under sparse Alnus sp. with young growth of Larix gmelinii and leaf litter under Betula platyphylla and Larix gmelinii in along rill bank near road, 17.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. birch forest with larch undergrowth, Ledum palustre, Vaccini- (buffer zone), Burunda River basin, 1.5 km NW of Burunda um vitis-idaea, Equisetum pratense, Pleurozium schreberi, Hylo- cordon, plant debris among Carex sp. under sparse Alnus sp. comium splendens on hill near river bank, 29.IX.2004, leg. A.R.; with young growth of Larix gmelinii along rill bank near road, 1 $, right bank of Nora River, Ostraya Mt., mosses and leaf 18.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. (buffer zone), Burunda litter on rocky denudation. 23.VIII.2004, leg. A.R.; 1 $, Nora River basin, 1.5–2 km SE of Burunda cordon, mosses and leaf River, Mt. Gryashchinskaya, mosses and leaf litter on steep litter under Betula platyphylla with Ledum palustre, rocky slope with Betula platyphylla , Alnus sp., Sorbus sibirica, Chamaedaphne calyculata , Salix sp., Sphagnum spp., Hypnum Swida alba, undergrowth of Acer ukurunduense , Pleurozium sp., Poaceae, 06.X.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), schreberi , Hylocomium splendens , Dicranum sp., Ptilium crista- Burunda River basin, 2.5 km SE of Burunda cordon, leaf litter castrensis , Sphagnum ?girgensohnii , Dryopteris fragrans, etc., under Larix gmelinii and Betula platyphylla with Ledum palus- 25.VIII.2004, leg. A.R.; 2 $$, near border of N.N.R., left side of tre, Rhododendron sp., Vaccinium vitis-idaea, Equisetum sylvati- Selemdzha River opposite Dvadtsatikha cordon, mosses and cum in burnt forest on gentle slope, 23.IX.2004, leg. A.R.; 1 #, leaf litter on high bank of the river: Betula platyphylla , B. 2 $$, near border of buffer zone of N.N.R., Burunda River davurica, Larix gmelinii, Pinus sylvestris, Alnus sp., Ledum palus- basin, 4 km NW of Burunda cordon, mosses and plant debris tre, Rhododendron sp., Vaccinium vitis-idaea, Pyrola sp., Maian- and sweeping on large burnt swamp with Vaccinium uligino- themum bifolium, Pleurozium schreberi, Ptilium crista-castrensis, sum, Ledum palustre, Eriophorum sp., Betula ovalifolia, B. ?fruti- etc., 05.VIII.2004, leg. A.R.; 1 $, Nora River basin near Malt- cosa , Chamaedaphne calyculata , Sphagnum spp., Polytrichum sevskiy cordon, leaf litter under Populus tremula, Betula platy- spp., 11.IX.2004, leg. A.R.; 2 ##, 1 $, N.N.R. (buffer zone), phylla , Padus sp. with Poaceae, Equisetum sylvaticum , Spiraea Burunda River basin, 1 km NW of Burunda cordon, mosses sp., Maianthemum bifolium, Polygonatum sp., ferns near flood- and leaf litter in swampy forest with tussocks and old stumps plain lake, 30.VIII.2004, leg. A.R.; 2 $$, N.N.R. (buffer zone), on very gentle slope near rill bank: Larix gmelinii, Alnus sp., Burunda River basin, 4.5 km NW of Burunda cordon, mosses Betula platyphylla, Calamagrostis sp., Carex sp., Rubus arcticus, and leaf litter in slope forest under Betula platyphylla, Larix Convallaria keiskei , Sphagnum squarrosum , Sph. ?girgensohnii, gmelinii with Ledum palustre , Rhododendron sp., Alnus sp., Sph. sp., Ptilium crista-castrensis , Hylocomium splendens , Di- Pleurozium schreberi , Hylocomium splendens, etc., 14.IX.2004, cranum sp., 12.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. (buffer zone), leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 4 km Burunda River basin, 4.5 km NW of Burunda cordon, mosses NW of Burunda cordon, mosses and leaf litter on very gentle and leaf litter in slope forest under Betula platyphylla, Larix slope with Larix gmelinii , Alnus sp., Ledum palustre, under- gmelinii with Ledum palustre , Rhododendron sp., Alnus sp., growth of Betula platyphylla, Hylocomium splendens, Dicranum Pleurozium schreberi , Hylocomium splendens, etc., 14.IX.2004, sp., etc., 08.X.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda leg. A.R.; 1 $, near border of buffer zone of N.N.R., Burunda River basin, 2 km SE of Burunda cordon, leaf litter in young River basin, 9 km SE of Burunda cordon, mosses and leaf litter dense larch forest with sparse Alnus sp., Poaceae, Equisetum sp. in sparse growth of burnt Betula platyphylla and Larix gmelinii and under old larch tree on hill, 22.IX.2004, leg. A.R.; 7 ##, 4 with spots of Alnus sp., dense growth of Ledum palustre, $$, N.N.R. (buffer zone), Burunda River basin, 2 km SE of Vaccinium uliginosum, V. vitis-idaea on gentle slope, 20.IX.2004, Burunda cordon, mosses and leaf litter in slope forest with leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin, 2.5 km Betula platyphylla, sparse Poaceae, Carex sp., Rhododendron sp., SE of Burunda cordon, mosses and plant debris on large burnt etc., 26.IX.2004, leg. A.R.; 4 $$, Burunda River near Ozyornyi swamp with Vaccinium uliginosum, Ledum palustre, Chamaedaphne Rill mouth, mosses and litter under large trees of Picea calyculata, Eriophorum sp., Carex sp., Poaceae, Betula ovalifolia, ajanensis with Pyrola sp., Poaceae, Filipendula palmata, Pleuro- Sphagnum squarrosum , Sph. spp., Polytrichum sp., Hypnum sp., zium schreberi near river bank, 30.IX.2004, leg. A.R.; 1 #, Nora small true mosses, etc., 23.IX.2004, leg. A.R.; 4 $$, Nora River River, Sorokavyorstnaya channel, foot of rocky NE slope of basin near Meunskiy cordon, mosses, leaf litter and plant debris Maltsevskaya Mt.: mosses and leaf litter under Alnus sp., Padus on swampy flood-plain of intermittent rill with Alnus sp., Padus sp., Populus sp., Acer ukurunduense with Poaceae, ferns, Hyloco- sp., Salix spp., Betula platyphylla , B. ?fruticosa, Poaceae, Carex mium splendens , Pleurozium schreberi , Dicranum sp., Ptilium spp., Ledum palustre, Filipendula palmata, Vaccinium uliginosum, crista-castrensis, etc., 12.VI.2005, leg. E.V. & A.R.; 2 ##, 4 $$, Convallaria keiskei , Trientalis europaea , Maianthemum bifolium, Amurskaya Area, Mazanovskiy District, Nora River mouth, Sphagnum squarrosum, Sph. ?girgensohnii, Sph. ?centrale, Sph. spp., slopes of bald mountain (220–320 m), mosses and leaf litter Hypnum sp., etc., 10.VII.2005, leg. A.R.; 1 $, Selemdzha River among stones and under Betula spp., Acer ukurunduense, Alnus basin, 5–6 km up-stream of Ekimchan, up-stream of Unerikan sp., Corylus mandshurica, Picea ajanensis, etc., 29.VII.2005, leg. Rill mouth, 494 m, mosses and leaf litter in riverside forest: A.R.; 1 $, Meun River mouth, steep slope of Ust’-Meunskaya under Betula sp. and Larix gmelinii with Poaceae gen. spp., Mt., mosses and leaf litter on rocks and at their foot: ferns, Acer Polytrichum spp., etc., 06.VIII.2005, leg. A.R. ukurunduense, Padus sp., etc., 14.VII.2005, leg. A.R.; 1 $, Maza- DISTRIBUTION. Widespread all over Siberia from the novskiy District, Selemdzha River below Nora River mouth, N Urals eastward to East Siberia, known from Cisokhotia, slope of Ust’-Norskaya Mt., 220 m, mosses and leaf litter Kamchatka, the Kurile Islands, Sakhalin; through the moun- among stones and under Betula platyphylla, B. davurica, Acer tains of South Siberia via the Lake Baikal region eastward to ukurunduense, Corylus mandshurica, etc., 30.VII.2005, leg. A.R.; Khabarovsk Prov. Known also from Mongolia. 4 $$, near border of N.N.R., left side of Selemdzha River opposite Dvadtsatikha cordon, mosses and leaf litter in river- side forest under rocky denudation: Alnus sp., Salix spp., Abies Anguliphantes karpinskii (O. Pickard-Cambridge, nephrolepis , Padus sp., Betula platyphylla , B. davurica , Acer ukurunduense, Corylus mandshurica, Ulmus sp., Matteuccia struthi- 1873) opteris, Oxalis acetosella, Adoxa sp., Schisandra chinensis, Trien- talis europaea, Liliaceae gen. spp., Saxifraga sp., Dryopteris MATERIAL. 2 $$, N.N.R., right bank of Meun River near fragrans , Pleurozium schreberi , Hylocomium splendens, etc., mouth, mosses and litter in spruce forest with Maianthemum 20.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha River basin, 51 km Linyphiid spiders of the Norsky Nature Reserve 351 below Ekimchan, bank of Angelokit Rill, 410–420 m, shingles, gen. spp., Filipendula palmata, Equisetum sylvaticum, Rosa sp. on sand, drift, leaf litter under Salix spp. and Alnus sp. with natural levee, 09.VII.2005, leg. A.R. Poaceae, Carex spp., etc., 08.VIII.2005, leg. A.R.; 1 $, Nora River DISTRIBUTION. Amurskaya, Khabarovsk and Mari- basin near Meunskiy cordon, mosses and leaf litter in forest on time provinces; China. very gentle slope: Betula platyphylla, Larix gmelinii, Rhododen- dron sp., Alnus sp., Ledum palustre , Vaccinium vitis-idaea , V. uliginosum , Calamagrostis sp., Maianthemum bifolium , Carex Asthenargoides kurenstchikovi Eskov, 1993 ?globularis , Trientalis europaea , Polytrichum commune, etc., 10.VII.2005, leg. A.R.; 2 $$, Selemdzha River basin, 51 km MATERIAL. 5 ##, N.N.R. (buffer zone), Burunda River below Ekimchan, near Angelokit Rill, 405–410 m, mosses and basin, 0.5–1 km NW of Burunda cordon, plant debris and leaf litter on steep rocky burnt slope above rill: Picea ajanensis, small true mosses among Carex spp. & Poaceae along rill bank, Abies nephrolepis , Hylocomium splendens , Pleurozium schreberi, 12.IX.2004, leg. A.R.; 15 $$, N.N.R. (buffer zone), Burunda Sphagnum spp., etc., 06.VIII.2005, leg. A.R. River basin, 1.5 km NW of Burunda cordon, plant debris DISTRIBUTION. Middle and East Siberia, Cisokhotia, among Carex sp. under sparse Alnus sp. with young growth of Kamchatka, Sakhalin; through the mountains of South Sibe- Larix gmelinii along rill bank near road, 18.IX.2004, leg. A.R.; 2 ria via the Lake Baikal region eastward to Khabarovsk and ##, 5 $$, Burunda River near Ozyornyi Rill mouth, Plant Maritime provinces. Known also from Mongolia and China. debris and mosses among tussocks of Carex spp. and Poaceae with Spiraea sp., Vicia sp., Plagiomnium sp. on open flood-plain depression with tracks of Capreolus capreolus, 01.X.2004, leg. Anguliphantes maritimus (Tanasevitch, 1988) A.R.; 2 $$, Meun River mouth, plant debris among Carex spp. & Equisetum sp. and leaf litter under Salix spp. & Alnus sp. on MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy low bank of creek, 21.VIII.2004, leg. A.R.; 10ex(ZMMU), Selem- cordon, mosses and plant debris in forest at rill valley: Betula dzha River basin, 2 km up-stream of Norsk, mosses and plant platyphylla, Larix gmelinii, Rhododendron sp., Alnus sp., Ledum debris among Carex spp., Poaceae, Filipendula palmata, Spiraea palustre, Vaccinium vitis-idaea, Calamagrostis sp., Maianthemum sp., Salix sp., Padus sp. on swampy side of small drainage lake bifolium, Carex ?globularis, Trientalis europaea, Polytrichum com- (dammed rill), 06.IX.2004, leg. A.R.; 10 $$, N.N.R. (buffer zone), mune, etc., 16.VIII.2004, leg. A.R.; 1 $, Nora River near Meun Burunda River basin, 0.5–0.7 km NW of Burunda cordon, River mouth, moss and leaf litter under Picea ajanensis and sedge-gramineous swamp with Sphagnum ?girgensohnii and true Betula platyphylla with Maianthemum bifolium, Trientalis euro- mosses around lake, 10.IX.2004, leg. A.R.; 1 $, Nora River basin paea, Poaceae, Polygonatum sp., ferns on natural levee, near Maltsevskiy cordon, Maltsevskoye Lake, mosses and leaf 21.VIII.2004, leg. A.R.; 1 $, Nora River near Maltsevskiy cordon, litter among sedge and gramineous tussocks with Spiraea spp., mosses and leaf litter under Salix spp., Alnus sp., Padus sp., Salix sp., Filipendula palmata , Iris sp., Anemonidium dichoto- Schisandra chinensis with Carex spp., Equisetum sp., Poaceae, mum , Maianthemum bifolium , Polytrichum spp., Hypnum sp., Polygonatum sp. on narrow, partly submerged, spit between Sphagnum squarrosum, Sph. sp., Plagiomnium sp., undergrowth river and lake, 03.IX.2004, leg. A.R.; 1 $, Nora River near of Betula sp., etc., 13.VI.2005, leg. E.V. & A.R.; 1 $, Nora River Maltsevskiy cordon, mosses and leaf litter under Alnus sp., near Maltsevskiy cordon, mosses, leaf litter, soil under Alnus Padus sp., Betula platyphylla, undergrowth of Populus tremula sp., Padus sp., Salix spp. with ferns, Poaceae, Carex spp. on with Spiraea spp., Filipendula palmata, Carex spp., Poaceae, Rosa clayish slumping bank. 17.VI.2005, leg. E.V. & A.R.; 1 $, Meun sp., Convallaria keiskei, ferns on natural levee, 29.VIII.2004, leg. River mouth, mosses, leaf litter and plant debris on swamp A.R.; 3 $$, Nora River near Maltsevskiy cordon, mosses and leaf between natural levee and steep slope of bald mountain: litter under Padus sp. with Poaceae, Carex spp., Equisetum Spiraea spp., Alnus sp., Padus sp., Salix spp., Carex spp., Filipen- sylvaticum, undergrowth of Populus tremula in depression dula palmata, etc., 09.VII.2005, leg. A.R.; 2 $$, Nora River behind natural levee, 15.VI.2005, leg. E.V. & A.R.; 1 $, Nora below Maltsevskiy cordon, mosses and leaf litter among Carex River basin near Maltsevskiy cordon, Maltsevskoye Lake, moss- spp. and Poaceae on narrow spit between the river and the es and leaf litter among sedge and gramineous tussocks with lake, 10.VI.2005, leg. E.V. & A.R. Spiraea spp., Salix sp., Filipendula palmata, Iris sp., Anemonidium DISTRIBUTION. Lake Baikal region, Amurskaya, Kha- dichotomum, Maianthemum bifolium, Polytrichum spp., Hypnum barovsk and Maritime provinces. sp., Sphagnum squarrosum , Sph. sp., Plagiomnium sp., under- growth of Betula sp., etc., 13.VI.2005, leg. E.V. & A.R.; 1 $, abrupt bank of Nora River near Maltsevskiy cordon, shingles, Asthenargoides logunovi Eskov, 1993 sand, loam, spots of mosses Marchantiales, Carex spp., Poaceae, Fabaceae, etc., leaf litter under Alnus sp. and Padus sp. with MATERIAL. 1 $, N.N.R., right bank of Meun River near ferns, etc., 16.VI.2005, leg. E.V. & A.R.; 2 $$, Nora River near mouth, mosses and litter in spruce forest with Maianthemum Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., bifolium , Trientalis europaea , Equisetum pratense , Hylocomium Padus sp., Salix spp. with ferns, Poaceae, Carex spp., etc., on splendens, Pleurozium schreberi, etc., 18.VIII.2004, leg. A.R.; 1 $, clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; 1 $, Nora Nora River near Meun River mouth, moss and leaf litter under River basin near Meunskiy cordon, mosses, leaf litter and plant Picea ajanensis and Betula platyphylla with Maianthemum bifo- debris on swampy flood-plain of intermittent rill with Alnus lium , Trientalis europaea, Poaceae, Polygonatum sp., ferns on sp., Padus sp., Salix spp., Betula platyphylla, B. ?fruticosa, Poace- natural levee, 21.VIII.2004, leg. A.R.; 2 $$, Nora River, Mt. ae, Carex spp., Ledum palustre, Filipendula palmata, Vaccinium Gryashchinskaya, mosses and leaf litter on steep rocky slope uliginosum , Convallaria keiskei , Trientalis europaea , Maianthe- with Betula platyphylla , Alnus sp., Sorbus sibirica , Swida alba, mum bifolium , Sphagnum squarrosum , Sph. ?girgensohnii , Sph. undergrowth of Acer ukurunduense, Pleurozium schreberi, Hylo- ?centrale, Sph. spp., Hypnum sp., etc., 10.VII.2005, leg. A.R.; 1 $, comium splendens, Dicranum sp., Ptilium crista-castrensis, Sphag- Nora River below Maltsevskiy cordon, mosses and leaf litter num ?girgensohnii , Dryopteris fragrans, etc., 25.VIII.2004, leg. among Carex spp. and Poaceae on narrow spit between the A.R.; 1 $, Mazanovskiy District, Nora River mouth, slopes of river and the lake, 10.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha bald mountain (220–320 m), mosses and leaf litter among River basin near Dvadtsatikha cordon, sweeping on open stones and under Betula spp., Acer ukurunduense , Alnus sp., swamp with Carex spp., Poaceae, Salix spp., Spiraea spp., Filipen- Corylus mandshurica, Picea ajanensis, etc., 29.VII.2005, leg. A.R.; dula palmata, Iris sp., Valeriana sp. and on afforested swamp 1 $, Selemdzha River basin near Dvadtsatikha cordon, sweep- with Padus sp., Alnus sp., Betula platyphylla , Salix spp., etc., ing on open swamp with Carex spp., Poaceae, Salix spp., Spiraea 19.VI.2005, leg. E.V. & A.R.; 2 $$, Meun River mouth, leaf litter spp., Filipendula palmata, Iris sp., Valeriana sp. and on afforested under Betula platyphylla , Abies nephrolepis , Picea ajanensis, swamp with Padus sp., Alnus sp., Betula platyphylla, Salix spp., Populus tremula with Poaceae gen. spp., Carex spp., Fabaceae etc., 19.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha River basin 352 A.V. Tanasevitch near Dvadtsatikha cordon, leaf litter and mosses in sparse calyculata , Comarum palustre , Vaccinium uliginosum , Ledum forest with Betula dahurica , Larix gmelinii, undergrowth of palustre , Sphagnum spp., Polytrichum sp., Hypnum sp., etc., Corylus mandshurica and Tilia amurensis, motley grass, Polytri- 19.IX.2004, leg. A.R.; 1 $, Selemdzha River basin, lake, 1.5 km chum sp. (old fire-site) and under bark of dead Betula dahurica, NE of Dvadtsatikha cordon, leaf litter and mosses under Betula 27.VI.2005, leg. E.V. & A.R. platyphylla , B.davurica , Larix gmelinii , Populus tremula with DISTRIBUTION. Amurskaya, Khabarovsk and Mari- motley grass, Poaceae, Carex spp., Polytrichum commune, etc., time provinces. 24.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha River basin, 1.5 km NE of Dvadtsatikha cordon, banks and flood-plain of a rill inflowing to lake, mosses and leaf litter under Salix spp., Alnus Bathyphantes canadensis (Emerton, 1882) sp., undergrowth of Betula platyphylla and Populus tremula, Spiraea spp. with Poaceae, Carex spp., Trollius sp., Filipendula MATERIAL. 1 $, N.N.R., Nora River basin near Maltsevskiy palmata, ferns, Sphagnum spp., Polytrichum spp., Hypnum sp., cordon, mosses and plant debris on swamp near southern side Plagiomnium sp., etc., 26.VI.2005, leg. E.V. & A.R.; 3 $$, Nora of flood-plain lake: Carex spp., Poacea, Salix sp., Filipendula River, bank of Sorokavyorstnaya channel, under foot of rocky palmata , Comarum palustre , Sphagnum squarrosum , Sph. spp., NE slope of Maltsevskaya Mt.: leaf litter under Alnus sp., Salix Polytrichum sp., Climacium sp., etc., 30.VIII.2004, leg. A.R.; 1 #, spp., Populus sp., Padus sp., 12.VI.2005, leg. E.V. & A.R.; 4 $$, 2 $$, Burunda River bank, 2.5 km below Burunda cordon, on abrupt bank of Nora River near Maltsevskiy cordon, shingles, soil, in organic drift on wet sand, and in plant debris among sand, loam, spots of mosses Marchantiales, Carex spp., Poaceae, Carex spp. and Poaceae under Salix spp. along base of shingle- Fabaceae, etc., leaf litter under Alnus sp. and Padus sp. with sandy spit, 15.IX.2004, leg. A.R.; 1 #, 2 $$, N.N.R. (buffer zone), ferns, 16.VI.2005, leg. E.V. & A.R.; 6 $$, Nora River near Burunda River basin, 1 km SE of Burunda cordon, moss and Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., leaf litter among sedge-gramineous tussocks and under young Padus sp., Salix spp. with ferns, Poaceae, Carex spp., etc., on growth of Betula sp. on wide open swamp, 04.X.2004, leg. A.R.; clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; 2 $$, Nora 4 ##, 7 $$, near border of buffer zone of Burunda River River basin near Meunskiy cordon, mosses, leaf litter and plant basin, loamy bank of Meunchik River, 500–700 m up-stream debris on swampy flood-plain of intermittent rill with Alnus of mouth, on soil, in mosses and plant debris among Carex sp., Padus sp., Salix spp., Betula platyphylla, B. ?fruticosa, Poace- spp., Poaceae, Filipendula palmata under Alnus sp., Salix sp., and ae, Carex spp., Ledum palustre, Filipendula palmata, Vaccinium Spiraea sp., 16.IX.2004, leg. A.R.; 1 $, near border of N.N.R., uliginosum , Convallaria keiskei , Trientalis europaea , Maianthe- island on Selemdzha River near Dvadtsatikha cordon, banks of mum bifolium , Sphagnum squarrosum , Sph. ?girgensohnii , Sph. the river and old channel: shingles, clay, silt, sand, organic ?centrale, Sph. spp., Hypnum sp., etc., 10.VII.2005, leg. A.R.; 1 $, drift, 21.VI.2005, leg. E.V. & A.R. near border of N.N.R., left side of Selemdzha River opposite DISTRIBUTION. Middle and East Siberia, Chukotka, Dvadtsatikha cordon, mosses and leaf litter in riverside forest Cisokhotia, Amurskaya and Khabarovsk provinces. under rocky denudation: Alnus sp., Salix spp., Abies nephrolepis, Padus sp., Betula platyphylla , B. davurica , Acer ukurunduense, Corylus mandshurica, Ulmus sp., Matteuccia struthiopteris, Oxa- Bathyphantes eumenis (L.Koch, 1879) lis acetosella , Adoxa sp., Schisandra chinensis , Trientalis euro- paea, Liliaceae gen. spp., Saxifraga sp., Dryopteris fragrans, MATERIAL. 1 $, N.N.R., Selemdzha River, Burundushka Pleurozium schreberi , Hylocomium splendens, etc., 20.VI.2005, River mouth, mosses and leaf litter under Tilia amurensis, Alnus leg. E.V. & A.R.; 1 $, Mazanovskiy District, right bank of Nora sp., Acer ukurunduense , Betula platyphylla with Rosa sp., Ca- River, S slope of Zmeinaya Mt. (from foot to rill) among Alnus lamagrostis sp., Equisetum sp., Maianthemum bifolium , Thalic- sp., Larix gmelinii, Picea ajanensis, Populus spp., Padus sp. with trum sp., Spiraea sp., Oxalis acetosella on natural levee, Poaceae, Carex spp., Marchantia sp., etc., 17.VII.2005, leg. A.R.; 3 03.VIII.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River $$, Meun River mouth, mosses, leaf litter and plant debris on basin, 0.5–1 km NW of Burunda cordon, plant debris and swamp between natural levee and steep slope of bald moun- small true mosses among Carex spp. & Poaceae (+sweeping) tain: Spiraea spp., Alnus sp., Padus sp., Salix spp., Carex spp., along rill bank, 12.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Filipendula palmata, etc., 09.VII.2005, leg. A.R.; 1 $, Selemdzha Burunda River basin, 1.5 km NW of Burunda cordon, plant River basin, 51 km below Ekimchan, bank of Angelokit Rill, debris among tussocks of Carex spp. under sparse Alnus sp. 410–420 m, shingles, sand, drift, leaf litter under Salix spp. with young growth of Larix gmelinii along rill bank near road, and Alnus sp. with Poaceae, Carex spp., etc., 08.VIII.2005, leg. 17.IX.2004, leg. A.R.; 1 $, Selemdzha River basin, Aldikon River A.R.; 1 $, Selemdzha River basin, 5–6 km up-stream of bank near Norsk, leaf litter under Salix spp. near water, Ekimchan, up-stream of Unerikan Rill mouth, 494 m, mosses 05.IX.2004, leg. A.R.; 2 $$, Nora River, Mt. Gryashchinskaya, and leaf litter in riverside forest: under Betula sp. and Larix mosses and leaf litter on steep rocky slope with Betula platy- gmelinii with Poaceae gen. spp., Polytrichum spp., etc., 06.VIII.2005, phylla , Alnus sp., Sorbus sibirica , Swida alba, undergrowth of leg. A.R.; 3 $$, Selemdzha River basin, 51 km below Ekimchan, Acer ukurunduense , Pleurozium schreberi , Hylocomium splen- near Angelokit Rill, 405–410 m, mosses and leaf litter on dens, Dicranum sp., Ptilium crista-castrensis, Sphagnum ?girgen- steep rocky burnt slope above rill: Picea ajanensis, Abies neph- sohnii, Dryopteris fragrans, etc., 25.VIII.2004, leg. A.R.; 1 $, Nora rolepis, Hylocomium splendens, Pleurozium schreberi, Sphagnum River near Maltsevskiy cordon, mosses and leaf litter under spp. 06.VIII.2005, leg. A.R. Salix spp., Alnus sp., Padus sp., Schisandra chinensis with Carex DISTRIBUTION. Fennoscandia, Central Europe, Euro- spp., Equisetum sp., Poaceae, Polygonatum sp. on narrow, partly pean tundra. Throughout all Siberia: from the Urals to East submerged, spit between river and lake, 02.IX.2004, leg. A.R.; 2 Siberia, Cisokhotia, Kamchatka, Commandor and Kurile Is- $$, N.N.R. (buffer zone), Burunda River basin, 0.5–0.7 km NW lands, Sakhalin; through the mountains of South Siberia of Burunda cordon, sedge-gramineous swamp with Sphagnum eastward to Khabarovsk and Maritime provinces. Known ?girgensohnii and true mosses around lake, 10.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin, 4.5 km NW of from Mongolia and China. Northern Nearctic: from Alaska Burunda cordon, mosses and leaf litter in slope forest under eastward to Newfoundland. Betula platyphylla, Larix gmelinii with Ledum palustre, Rhodo- dendron sp., Alnus sp., Pleurozium schreberi, Hylocomium splen- dens, etc., 14.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Bathyphantes gracilis (Blackwall, 1841) Burunda River basin, 1.5–2 km NW of Burunda cordon, mosses and plant debris on swamp and among sedge-gramine- MATERIAL. 1 #, 2 $$, Nora River basin near Maltsevskiy ous tussocks in sparse growth of burnt Betula platyphylla and cordon, mosses and plant debris on swampy flood-plain lake- Larix gmelinii near Kamyshovoye Lake with Chamaedaphne side: Carex spp., Calamagrostis sp., Filipendula palmata, Gerani- Linyphiid spiders of the Norsky Nature Reserve 353 um sp., Comarum palustre , Spiraea sp., Salix sp., Sphagnum es around lake, 10.IX.2004, leg. A.R.; 1 $, Burunda River near ?girgensohnii, Sph. squarrosum, Polytrichum commune, Climaci- Ozyornyi Rill mouth, Plant debris and mosses among tussocks um sp., Iris sp., etc., 28.VIII.2004, leg. A.R.; 2 ##, N.N.R. (buffer of Carex spp. and Poaceae with Spiraea sp., Vicia sp., small true zone), Burunda River basin, 0.5–1 km NW of Burunda cordon, mosses on gently sloping side of small flood-plain lake, 02.X.2004, plant debris and small true mosses among Carex spp. & leg. A.R.; 2 # #, Nora River near Maltsevskiy cordon, mosses, Poaceae along rill bank, 12.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. leaf litter, soil under Alnus sp., Padus sp., Salix spp. with ferns, (buffer zone), Burunda River basin, 1.5–2 km NW of Burunda Poaceae, Carex spp., etc., on clayish slumping bank, 17.VI.2005, cordon, mosses and plant debris on swamp and among sedge- leg. E.V. & A.R. gramineous tussocks in sparse growth of burnt Betula platy- DISTRIBUTION. Siberia: from Yenisey River eastward phylla and Larix gmelinii near Kamyshovoye Lake with to Cisokhotia, Sakhalin; Amurskaya and Khabarovsk prov- Chamaedaphne calyculata, Comarum palustre, Vaccinium uligi- inces. nosum, Ledum palustre, Sphagnum spp., Polytrichum sp., Hypnum sp., etc., 19.IX.2004, leg. A.R.; 1 $, Nora River basin near Maltsevskiy cordon, Maltsevskoye Lake, mosses and leaf litter Bathyphantes parvulus (Westring, 1851) among sedge and gramineous tussocks with Spiraea spp., Salix sp., Filipendula palmata , Iris sp., Anemonidium dichotomum, MATERIAL. 1 $, N.N.R., lower reaches of Chervinka Maianthemum bifolium , Polytrichum spp., Hypnum sp., Sphag- River, mosses, ferns, leaf litter, plant debris on banks of river num squarrosum , Sph. sp., Plagiomnium sp., undergrowth of and intermittent rill with tussocks of Carex spp., Poaceae, Betula sp., etc., 13.VI.2005, leg. E.V. & A.R.; 2 ##, 1 $, lower Spiraea spp., Salix spp., Betula ?fruticosa, undergrowth of reaches of Chervinka River, mosses, ferns, leaf litter, plant Betula platyphylla, etc., 30.VI.2005, leg. E.V. & A.R.; 1 $, Nora debris on banks of river and intermittent rill with tussocks of River basin near Meunskiy cordon, N extremity of Dlinnoye Carex spp., Poaceae, Spiraea spp., Salix spp., Betula ?fruticosa, Lake, mosses and leaf litter near lakeside, among Larix undergrowth of Betula platyphylla, etc., 30.VI.2005, leg. E.V. & gmelinii , Alnus sp., Salix sp. with Rosa sp., Spiraea spp., A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses and Poaceae, Carex spp., Filipendula palmata, Sphagnum squarro- plant debris among Carex spp., Eriophorum spp., Poaceae with sum, Sph. spp., etc., 13.VII.2005, leg. A.R.; 1 $, Nora River Sphagnum spp. along swampy road to Dlinnoye Lake, 13.VII.2005, basin near Meunskiy cordon, mosses and plant debris on leg. A.R.; 2 ##, Nora River basin near Meunskiy cordon, flood-plain of intermittent rill with Alnus sp., Carex spp., mosses, leaf litter and plant debris on swampy flood-plain of Poaceae, Trientalis europaea , Convallaria keiskei , Sphagnum intermittent rill with Alnus sp., Padus sp., Salix spp., Betula squarrosum , Sph. ?girgensohnii , Sph. spp., Hypnum sp., etc., platyphylla, B. ?fruticosa, Poaceae, Carex spp., Ledum palustre, 08.VII.2005, leg. A.R.; 1 $, lower reaches of Chervinka River, Filipendula palmata, Vaccinium uliginosum, Convallaria keiskei, mosses, plant debris, leaf litter on wide swamp with tussocks Trientalis europaea, Maianthemum bifolium, Sphagnum squarro- of Carex spp. and Poaceae gen. spp. with Salix spp., Alnus sp., sum , Sph. ?girgensohnii , Sph. ?centrale , Sph. spp., Hypnum sp., Betula fruticosa, Ledum palustre, Chamaedaphne calyculata, etc., 10.VII.2005, leg. A.R.; 1 $, Nora River basin near Malt- Vaccinium uliginosum, undergrowth and young trees of Betu- sevskiy cordon, Maltsevskoye Lake, mosses and leaf litter among la platyphylla and Populus tremula, individual trees of Larix sedge tussocks with Poaceae, Sphagnum spp., Polytrichum spp., gmelinii, Sphagnum squarrosum, Sph. spp., Polytrichum spp., Hypnum sp., Plagiomnium sp., Viola sp., Filipendula palmata, etc., 02.VII.2005, leg. E.V. & A.R. Polemonium sp., Anemonidium dichotomum, etc., 14.VI.2005, leg. DISTRIBUTION. Europe, in Siberia known from the E.V. & A.R.; 1 $, Nora River basin near Meunskiy cordon, Urals eastward to Yenisey River; recorded in the Lake Baikal mosses and plant debris on flood-plain of intermittent rill with region. Known also from China. The above are easternmost Alnus sp., Carex spp., Poaceae, Trientalis europaea, Convallaria locality of the species. keiskei , Sphagnum squarrosum , Sph. ?girgensohnii , Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R.; 1 $, Nora River below Maltsevskiy cordon, mosses and leaf litter among Carex spp. Carorita limnaea (Crosby et Bishop, 1927) and Poaceae on narrow spit between the river and the lake. 10.VI.2005, leg. E.V. & A.R; leg. E.V. & A.R.; 1 $, Selemdzha MATERIAL. 1 #, N.N.R. (buffer zone), Burunda River River basin, 1.5 km NE of Dvadtsatikha cordon, mosses and basin, 0.5–0.7 km NW of Burunda cordon, sedge-gramineous leaf litter on open swamp near lake: Carex spp., Eriophorum swamp with Sphagnum ?girgensohnii and true mosses around spp., Poaceae gen. sp., Sphagnum spp., Hypnum spp., Salix sp., lake, 10.IX.2004, leg. A.R. etc., 24.VI.2005, leg. E.V. & A.R. DISTRIBUTION. Europe, including the tundra zone, DISTRIBUTION. Throughout Europe, including the tun- widespread over Siberia from the Urals to East Siberia and dra zone, Turkey, the Caucasus; in Siberia: from the Urals Cisokhotia. Through the mountains of South Siberia east- eastward to East Siberia, Kamchatka, Sakhalin; through the ward to Khabarovsk and Maritime provinces. Known also mountains of South Siberia via the Lake Baikal region east- from Mongolia and China. Widespread in the Nearctic. ward to Khabarovsk and Maritime provinces; known from China. Northern Nearctic: from Alaska eastward to New- foundland. Centromerus amurensis Eskov et Marusik, 1992

MATERIAL. 1 $, near border of buffer zone of N.N.R., Bathyphantes jeniseicus Eskov, 1979 Burunda River basin, 9 km SE of Burunda cordon, mosses and leaf litter in sparse growth of burnt Betula platyphylla and MATERIAL. 1 #, N.N.R. (buffer zone), Burunda River Larix gmelinii with spots of Alnus sp., dense growth of Ledum basin, 0.5–1 km NW of Burunda cordon, mosses and plant palustre, Vaccinium uliginosum , V. vitis-idaea on gentle slope, debris among sedge tussocks with Spiraea sp., ?Aulacomnium 20.IX.2004, leg. A.R.; 2 $$, N.N.R. (buffer zone), Burunda River sp., Sphagnum squarrosum, Sph. ?girgensohnii, small true mosses, basin, 2 km SE of Burunda cordon, mosses and leaf litter in etc., 05.X.2004, leg. A.R.; 1 #, Burunda River near Ozyornyi Rill slope forest with Betula platyphylla, sparse Poaceae, Carex sp., mouth, Plant debris and mosses among tussocks of Carex spp. Rhododendron sp., etc., 26.IX.2004, leg. A.R.; 1 $, Mazanovskiy and Poaceae with Spiraea sp., Vicia sp., Plagiomnium sp. on open District, Nora River mouth, slopes of bald mountain (220–320 flood-plain depression with tracks of Capreolus capreolus, m), mosses and leaf litter among stones and under Betula spp., 01.X.2004, leg. A.R.; 1 #, 1 $, N.N.R. (buffer zone), Burunda Acer ukurunduense, Alnus sp., Corylus mandshurica, Picea ajan- River basin, 0.5–0.7 km NW of Burunda cordon, sedge- ensis, etc., 29.VII.2005, leg. A.R.; 2 $$, Nora River basin near gramineous swamp with Sphagnum ?girgensohnii and true moss- Meunskiy cordon, mosses and leaf litter in forest on very 354 A.V. Tanasevitch gentle slope: Betula platyphylla , Larix gmelinii , Rhododendron Ceraticelus orientalis Eskov, 1987 sp., Alnus sp., Ledum palustre, Vaccinium vitis-idaea, V. uligino- sum , Calamagrostis sp., Maianthemum bifolium , Carex ?globu- MATERIAL. 2 $$, near border of buffer zone of N.N.R., laris, Trientalis europaea, Polytrichum commune, etc., 08.VII.2005, Burunda River basin, 9 km SE of Burunda cordon, mosses and leg. A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses leaf litter in sparse growth of burnt Betula platyphylla and and leaf litter in forest on very gentle slope: Betula platyphylla, Larix gmelinii with spots of Alnus sp., dense growth of Ledum Larix gmelinii , Rhododendron sp., Alnus sp., Ledum palustre, palustre, Vaccinium uliginosum , V. vitis-idaea on gentle slope, Vaccinium vitis-idaea , V. uliginosum, Calamagrostis sp., Maian- 20.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River themum bifolium, Carex ?globularis, Trientalis europaea, Polytri- basin, 2.5 km SE of Burunda cordon, mosses and plant debris chum commune, etc., 10.VII.2005, leg. A.R. on large burnt swamp with Vaccinium uliginosum , Ledum DISTRIBUTION. Amurskaya, Khabarovsk and Mari- palustre, Chamaedaphne calyculata, Eriophorum sp., Carex sp., time provinces. Poaceae, Betula ovalifolia , Sphagnum squarrosum , Sph. spp., Polytrichum sp., Hypnum sp., small true mosses, etc., 23.IX.2004, Centromerus pacificus Eskov et Marusik, 1992 leg. A.R.; 2 $$, Selemdzha River basin, 5–6 km up-stream of Ekimchan, up-stream of Unerikan Rill mouth, 494–500 m, mosses, litter and sweeping near lakeside: Carex spp., Poaceae MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy gen. spp., Eriophorum sp., Ledum palustre, Chamaedaphne caly- cordon, mosses and plant debris in forest at rill valley: Betula culata, Vaccinium uliginosum, 04.VIII.2005, leg. A.R. platyphylla, Larix gmelinii, Rhododendron sp., Alnus sp., Ledum palustre, Vaccinium vitis-idaea, Calamagrostis sp., Maianthemum DISTRIBUTION. Cisokhotia, Kamchatka, Lake Baikal bifolium, Carex ?globularis, Trientalis europaea, Polytrichum com- region, Amurskaya and Khabarovsk provinces, Sakhalin. mune, etc., 16.VIII.2004, leg. A.R.; 1 #, right bank of Meun River near mouth, mosses and litter in spruce forest with Ceratinella brevis (Wider, 1834) Maianthemum bifolium, Trientalis europaea, Equisetum pratense, Hylocomium splendens, Pleurozium schreberi, etc., 18.VIII.2004, MATERIAL. 2 ##, 1 $, N.N.R., Nora River basin near leg. A.R.; 1 $, Selemdzha River basin, Aldikon River bank near Meunskiy cordon, sparse mosses and leaf litter under Betula Norsk, leaf litter under Salix spp. near water, 05.IX.2004, leg. platyphylla and Larix gmelinii with Calamagrostis sp. and A.R.; 3 ##, 5 $$, Nora River basin near Maltsevskiy cordon, Trientalis europaea in flood-plain forest with hillocks, in rotten wood and under bark of aspen and birch stumps, 13.VIII.2004, leg. A.R.; 1 #, Selemdzha River basin, 2 km NE of 01.IX.2004, leg. A.R.; 1 #, Nora River near Maltsevskiy cordon, Dvadtsatikha cordon, open swamp near lakeside: plant debris mosses and leaf litter under Alnus sp., Padus sp., Betula platy- and sparse mosses among tussocks with Carex spp., Poaceae, phylla, undergrowth of Populus tremula with Spiraea spp., Salix spp., etc., 09.VIII.2004, leg. A.R.; 2 ##, 1 $, Nora River Filipendula palmata, Carex spp., Poaceae, Rosa sp., Convallaria basin near Meunskiy cordon, mosses and plant debris among keiskei, ferns on natural levee, 29.VIII.2004, leg. A.R.; 1 #, Nora Carex spp. & Poaceae with Comarum palustre, Sphagnum squar- River basin near Maltsevskiy cordon, leaf litter under Populus rosum, Sph. spp., Aulacomnium sp. and other true mosses near tremula, Betula platyphylla, Padus sp. with Poaceae, Equisetum side of flood-plain lake and swampy road, 13.VIII.2004, leg. sylvaticum, Spiraea sp., Maianthemum bifolium, Polygonatum sp., A.R.; 5 ##, 6 $$, Nora River basin near Meunskiy cordon, leaf ferns near flood-plain lake, 30.VIII.2004, leg. A.R.; 1 #, N.N.R. litter and mosses under Betula platyphylla , Alnus sp., Larix (buffer zone), Burunda River basin, 4.5 km NW of Burunda gmelinii , Populus tremula , Rhododendron sp. with Vaccinium cordon, mosses and leaf litter in slope forest under Betula vitis-idaea , Maianthemum bifolium , Trientalis europaea , Carex platyphylla, Larix gmelinii with Ledum palustre, Rhododendron ?globularis, Poaceae, sparse Polytrichum commune on flat crest sp., Alnus sp., Pleurozium schreberi, Hylocomium splendens, etc., of low bald mount, 14.VIII.2004, leg. A.R.; 1 #, N.N.R. (buffer 14.IX.2004, leg. A.R.; 1 $, lower reaches of Chervinka River, zone), Burunda River basin, 1.5 km NW of Burunda cordon, mosses, ferns, leaf litter, plant debris on banks of river and plant debris among Carex sp. under sparse Alnus sp. with intermittent rill with tussocks of Carex spp., Poaceae, Spiraea young growth of Larix gmelinii along rill bank near road, spp., Salix spp., Betula ?fruticosa, undergrowth of Betula platy- 18.IX.2004, leg. A.R.; 1 #, Burunda River near Ozyornyi Rill phylla, etc., 30.VI.2005, leg. E.V. & A.R.; 1 $, Mazanovskiy mouth, mosses and plant debris among sedge-gramineous tus- District, Nora River mouth, slopes of bald mountain (220–320 socks on very gentle slope near intermittent channel: Carex m), mosses and leaf litter among stones and under Betula spp., spp., Calamagrostis sp., Polytrichum sp. and other true mosses, Acer ukurunduense, Alnus sp., Corylus mandshurica, Picea ajan- Spiraea sp., etc., 27.VII.2004, leg. A.R.; 2 $$, N.N.R. (buffer ensis, etc., 29.VII.2005, leg. A.R.; 1 $, Nora River basin near zone), Burunda River basin, 2.5 km SE of Burunda cordon, leaf Maltsevskiy cordon, Maltsevskoye Lake, mosses and leaf litter litter under Larix gmelinii and Betula platyphylla with Ledum among sedge and gramineous tussocks with Spiraea spp., Salix palustre , Rhododendron sp., Vaccinium vitis-idaea , Equisetum sp., Filipendula palmata , Iris sp., Anemonidium dichotomum, sylvaticum in burnt forest on gentle slope, 23.IX.2004, leg. A.R.; Maianthemum bifolium , Polytrichum spp., Hypnum sp., Sphag- 4 ##, 3 $$, Nora River, 0.5 km up-stream of Mt. Gryashchin- num squarrosum , Sph. sp., Plagiomnium sp., undergrowth of skaya, mosses and leaf litter under Betula platyphylla and Larix Betula sp., etc., and also leaf litter among tussocks in young gmelinii with Calamagrostis sp., Equisetum sylvaticum, E. prat- birch forest with Alnus sp., Spiraea spp., Filipendula palmata, ense , Maianthemum bifolium , Polygonatum sp. in burnt forest Carex spp., Poaceae, etc., 14.VI.2005, leg. E.V. & A.R.; 1 $, Nora along river bank, 27.VIII.2004, leg. A.R.; 1 #, Nora River basin, River basin near Meunskiy cordon, mosses and leaf litter in 1.5 km up-stream of Mt. Gryashchinskaya, mosses and plant forest on very gentle slope: Betula platyphylla, Larix gmelinii, debris on open swamp along lake side: tussocks of Carex spp. Rhododendron sp., Alnus sp., Ledum palustre , Vaccinium vitis- and Poaceae with Sphagnum ?girgensohnii, Sph. ?angustifolium, idaea, V. uliginosum, Calamagrostis sp., Maianthemum bifolium, Sph. ?magellanicum, Sph. squarrosum, Sph. spp., Chamaedaphne Carex ?globularis , Trientalis europaea , Polytrichum commune, calyculata, Vaccinium uliginosum, sparse Ledum palustre, Salix etc., 08.VII.2005, leg. A.R.; 1 $, N.N.R. (buffer zone), right side sp., Betula ?fruticosa, etc., 24.VIII.2004, leg. A.R.; 2 ##, 1 $, of Meun River near mouth, mosses and litter in Picea ajanensis Nora River, Mt. Gryashchinskaya, mosses and leaf litter on forest with Abies nephrolepis and Populus spp., Maianthemum steep rocky slope with Betula platyphylla , Alnus sp., Sorbus bifolium, Trientalis europaea, Equisetum pratense, E. sylvaticum, sibirica, Swida alba, undergrowth of Acer ukurunduense, Pleuro- Hylocomium splendens , Pleurozium schreberi, etc., 11.VII.2005, zium schreberi , Hylocomium splendens , Dicranum sp., Ptilium leg. A.R. crista-castrensis , Sphagnum ?girgensohnii , Dryopteris fragrans, DISTRIBUTION. East Siberia, Cisokhotia; South Sibe- etc., 25.VIII.2004, leg. A.R.; 2 $$, Nora River basin near ria: Sayan; Amurskaya, Khabarovsk and Maritime provinc- Maltsevskiy cordon, in leaf litter under Betula platyphylla and es, Sakhalin. Populus tremula with Maianthemum bifolium, Convallaria keiskei, Linyphiid spiders of the Norsky Nature Reserve 355

Equisetum sylvaticum, etc., 01.IX.2004, leg. A.R.; 4 ##, 3 $$, of South Siberia eastward to Khabarovsk and Maritime prov- Nora River near Maltsevskiy cordon, mosses and leaf litter inces, Sakhalin. Known from Mongolia, China and Japan. under Salix spp., Alnus sp., Padus sp., Schisandra chinensis with REMARKS. All specimens of C. brevis from the Amur- Carex spp., Equisetum sp., Poaceae, Polygonatum sp. on narrow, skaya and Khabarovsk provinces, as well as from other parts partly submerged, spit between river and lake, 02.IX.2004, leg. of East Siberia are devoid of a dorsal abdominal scutum, A.R.; 1 #, Nora River near Maltsevskiy cordon, mosses and leaf litter under Salix spp., Alnus sp., Padus sp., Schisandra chinensis while the genitalia of the European and East Siberian popu- with Carex spp., Equisetum sp., Poaceae, Polygonatum sp. on lations of C. brevis show no clear differences. This requires narrow, partly submerged, spit between river and lake, 03.IX.2004, further studies. NOTE: a male specinen of C. brevis from the leg. A.R.; 1 #, Burunda River near Ozyornyi Rill mouth, Maritime Prov. has a dorsal scutum (1 #, Lazovsky Re- mosses and plant debris among sedge-gramineous tussocks on serve, Sokol’chi village, Corilus leaf litter, 09.VI.1980, leg. very gentle slope near intermittent channel: Carex spp., Ca- S.V. Murzin). lamagrostis sp., Polytrichum sp. and other true mosses, Spiraea sp., etc., 28.IX.2004, leg. A.R.; 1 #, 3 $$, Nora River near Maltsevskiy cordon, mosses and leaf litter under Alnus sp., Ceratinella wideri (Thorell, 1871) Padus sp., Betula platyphylla, undergrowth of Populus tremula with Spiraea spp., Filipendula palmata, Carex spp., Poaceae, Rosa MATERIAL. 1 $, N.N.R., right bank of Meun River near sp., Convallaria keiskei, ferns on natural levee, 29.VIII.2004, leg. mouth, mosses and litter in spruce forest with Maianthemum A.R.; 1 $, near border of buffer zone of N.N.R., Burunda River bifolium , Trientalis europaea , Equisetum pratense , Hylocomium basin, 9 km SE of Burunda cordon, mosses and leaf litter in splendens, Pleurozium schreberi, etc., 18.VIII.2004, leg. A.R.; 1 $, sparse growth of burnt Betula platyphylla and Larix gmelinii Selemdzha River basin, 2 km NE of Dvadtsatikha cordon, open with spots of Alnus sp., dense growth of Ledum palustre, swamp near lakeside: plant debris and sparse mosses among Vaccinium uliginosum, V. vitis-idaea on gentle slope, 20.IX.2004, tussocks with Carex spp., Poaceae, Salix spp., etc., 09.VIII.2004, leg. A.R.; 1 #, 2 $$, N.N.R. (buffer zone), Burunda River basin, leg. A.R.; 1 $, Nora River, Mt. Gryashchinskaya, mosses and leaf 2.5 km SE of Burunda cordon, small true mosses and plant litter on steep rocky slope with Betula platyphylla, Alnus sp., debris among Carex spp. on sand, small shingles and clay along Sorbus sibirica, Swida alba, undergrowth of Acer ukurunduense, dried ephemeral stream near border of complex swamp, Pleurozium schreberi, Hylocomium splendens, Dicranum sp., Ptil- 21.IX.2004, leg. A.R.; 3 ##, 4 $$, lower reaches of Chervinka ium crista-castrensis , Sphagnum ?girgensohnii , Dryopteris fra- River, mosses, ferns, leaf litter, plant debris on banks of river grans, etc., 25.VIII.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), and intermittent rill with tussocks of Carex spp., Poaceae, Burunda River basin, 1 km NW of Burunda cordon, mosses Spiraea spp., Salix spp., Betula ?fruticosa, undergrowth of Betula and leaf litter in swampy forest with tussocks and old stumps platyphylla, etc., 30.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha (“graveyard forest”) on very gentle slope near rill bank: Larix River basin near Dvadtsatikha cordon, mosses, leaf litter, plant gmelinii, Alnus sp., Betula platyphylla, Calamagrostis sp., Carex debris among tussocks of Carex spp. and Poaceae with Filipen- sp., Rubus arcticus , Convallaria keiskei , Sphagnum squarrosum, dula palmata, Trollius sp., Anemonidium dichotomum, Geranium Sph. ?girgensohnii, Sph. sp., Ptilium crista-castrensis, Hylocomium sp., Iris sp., Spiraea spp., Alnus sp. on side of a small lake and splendens, Dicranum sp., etc., 12.IX.2004, leg. A.R.; 1 $, N.N.R. swamp on high flood-plain of Selemdzha River, 23.VI.2005, leg. (buffer zone), Burunda River basin, 4.5 km NW of Burunda E.V. & A.R.; 7 ##, 4 $$, Nora River, Mt. Gryashchinskaya, cordon, mosses and leaf litter in slope forest under Betula mosses and leaf litter among rock debris near foot of slope: platyphylla, Larix gmelinii with Ledum palustre, Rhododendron Betula platyphylla, Alnus sp., Sorbus sibirica, Swida alba, under- sp., Alnus sp., Pleurozium schreberi, Hylocomium splendens, etc., growth of Acer ukurunduense, Pleurozium schreberi, Hylocomi- 14.IX.2004, leg. A.R.; 1 $, near border of buffer zone of N.N.R., um splendens, Dicranum sp., Ptilium crista-castrensis, Sphagnum Burunda River basin, 9 km SE of Burunda cordon, mosses and ?girgensohnii, Dryopteris fragrans, etc., 21.VII.2005, leg. A.R.; 1 $, leaf litter in sparse growth of burnt Betula platyphylla and Nora River near Maltsevskiy cordon, mosses, leaf litter, soil Larix gmelinii with spots of Alnus sp., dense growth of Ledum under Alnus sp., Padus sp., Salix spp. with ferns, Poaceae, Carex palustre, Vaccinium uliginosum , V. vitis-idaea on gentle slope, spp., etc., on clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; 20.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River 1 #, 1 $, Nora River basin near Meunskiy cordon, mosses, leaf basin, 4 km NW of Burunda cordon, mosses and leaf litter on litter and plant debris on swampy flood-plain of intermittent very gentle slope with Larix gmelinii, Alnus sp., Ledum palustre, rill with Alnus sp., Padus sp., Salix spp., Betula platyphylla, B. undergrowth of Betula platyphylla, Hylocomium splendens, Di- ?fruticosa, Poaceae, Carex spp., Ledum palustre , Filipendula cranum sp., etc., 08.X.2004, leg. A.R. palmata , Vaccinium uliginosum , Convallaria keiskei , Trientalis DISTRIBUTION. Widespread in Europe, in Siberia europaea , Maianthemum bifolium , Sphagnum squarrosum , Sph. known from the Urals eastward to Chukotka, Cisokhotia; ?girgensohnii , Sph. ?centrale , Sph. spp., Hypnum sp., etc., from eastern Kazakhstan through the mountains of South 10.VII.2005, leg. A.R.; 1 #, Nora River basin near Meunskiy cordon, mosses and plant debris on flood-plain of intermittent Siberia eastward to Khabarovsk Prov. Recorded in Mongo- rill with Alnus sp., Carex spp., Poaceae, Trientalis europaea, lia and Middle Asia. Convallaria keiskei , Sphagnum squarrosum , Sph. ?girgensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R.; 1 #, 1 $, Cnephalocotes obscurus (Blackwall, 1834) lower reaches of Chervinka River, mosses, plant debris, leaf litter on wide swamp with tussocks of Carex spp. and Poaceae gen. spp. with Salix spp., Alnus sp., Betula fruticosa , Ledum MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy palustre, Chamaedaphne calyculata, Vaccinium uliginosum, un- cordon, mosses and plant debris among Carex spp., Eriophorum dergrowth and young trees of Betula platyphylla and Populus spp., Poaceae with Sphagnum spp. along swampy road to tremula, individual trees of Larix gmelinii, Sphagnum squarro- Dlinnoye Lake, 13.VII.2005, leg. A.R.; 1 #, Selemdzha River sum , Sph. spp., Polytrichum spp., etc., 02.VII.2005, leg. E.V. & basin, 51 km below Ekimchan, bank of Angelokit Rill, 410– A.R.; 1 $, Meun River mouth, leaf litter under Betula platyphyl- 420 m, shingles, sand, drift, leaf litter under Salix spp. and la , Abies nephrolepis , Picea ajanensis , Populus tremula with Alnus sp. with Poaceae, Carex spp. 08.VIII.2005, leg. A.R. Poaceae gen. spp., Carex spp., Fabaceae gen. spp., Filipendula DISTRIBUTION. Widespread in Europe, including the palmata , Equisetum sylvaticum , Rosa sp. on natural levee, tundra zone; in Siberia known from the Urals to East Sibe- 09.VII.2005, leg. A.R. ria, Cisokhotia. Through eastern Kazakhstan via the moun- DISTRIBUTION. Widespread in Europe, known from tains of South Siberia eastward to Khabarovsk Prov., re- the Crimea, the Caucasus and Middle Asia. In Siberia: from corded also in Sakhalin. Known from the Nearctic (Cana- the Urals to Cisokhotia, Kamchatka. Through the mountains da). 356 A.V. Tanasevitch

Concavocephalus rubens Eskov, 1989 themum bifolium , Polytrichum spp., Hypnum sp., Sphagnum squarrosum , Sph. sp., Plagiomnium sp., undergrowth of Betula MATERIAL. 3 $$, N.N.R., Nora River basin near Meunskiy sp., etc., and also leaf litter among tussocks in young birch cordon, mosses and plant debris at flood-plain of a rill: Alnus forest with Alnus sp., Spiraea spp., Filipendula palmata, Carex sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, spp., Poaceae, etc., 14.VI.2005, leg. E.V. & A.R.; 2 $$, lower Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 15.VIII.2004, reaches of Chervinka River, mosses, plant debris, leaf litter on leg. A.R.; 1 #, 5 $$, Selemdzha River basin, 2 km NE of wide swamp with tussocks of Carex spp. and Poaceae gen. spp. Dvadtsatikha cordon, open swamp near lakeside: plant debris with Salix spp., Alnus sp., Betula fruticosa , Ledum palustre, and sparse mosses among tussocks with Carex spp., Poaceae, Chamaedaphne calyculata, Vaccinium uliginosum, undergrowth Salix spp., etc., 09.VIII.2004, leg. A.R.; 1 $, Nora River basin and young trees of Betula platyphylla and Populus tremula, near Meunskiy cordon, mosses and plant debris among Carex individual trees of Larix gmelinii, Sphagnum squarrosum, Sph. spp. & Poaceae with Comarum palustre, Sphagnum squarrosum, spp., Polytrichum spp., etc., 02.VII.2005, leg. E.V. & A.R. Sph. spp., Aulacomnium sp. and other true mosses near side of DISTRIBUTION. Siberia: from Yenisey River to East flood-plain lake and swampy road, 13.VIII.2004, leg. A.R.; 1 #, Siberia, Cisokhotia. Throughout the mountains of South 2 $$, N.N.R. (buffer zone), Burunda River basin, 0.5 km NW of Siberia via the Lake Baikal region eastward to Khabarovsk Burunda cordon, moss and plant debris at edge of swamp: Prov. Known from Sakhalin. tussocks of Poaceae with Carex sp., young growth of Betula sp., Salix sp., Spiraea sp., and small true mosses, 07.X.2004, leg. A.R.; 2 $$, N.N.R. (buffer zone), Burunda River basin, 1 km SE of Dactylopisthes video (Chamberlin et Ivie, 1947) Burunda cordon, mosses and plant debris among sedge tussocks on wide Carex-Eriophorum-gramineous swamp with small true MATERIAL. 1 #, N.N.R., Burunda River bank, 2.5 km mosses, Sphagnum squarrosum, Sph. sp., Ledum palustre, Vaccin- below Burunda cordon, on soil, in organic drift on wet sand, ium uliginosum, sparse Salix sp., young growth of Betula sp., etc., and in plant debris among Carex spp. and Poaceae under Salix 21.IX.2004, leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River spp. along base of shingle-sandy spit, 15.IX.2004, leg. A.R.; 1 #, basin, 1.5 km NW of Burunda cordon, plant debris among 2 $$, Burunda River, 2–3 km up-stream of Burunda cordon, tussocks of Carex spp. under sparse Alnus sp. with young shingle-sandy spit: among shingles and in leaf litter under growth of Larix gmelinii along rill bank near road, 17.IX.2004, Salix sp. with Poaceae, Dianthus sp., etc., 24.IX.2004, leg. A.R.; 2 leg. A.R.; 1 #, 1 $, Nora River, 0.5 km up-stream of Mt. ##, N.N.R. (buffer zone), Burunda River, 1 km below Burun- Gryashchinskaya, mosses and leaf litter under Betula platyphyl- da cordon, mosses (Plagiomnium sp. etc.) and leaf litter under la and Larix gmelinii with Calamagrostis sp., Equisetum sylvati- Salix sp. with Poaceae, Carex sp., Filipendula palmata, Pyrola sp. cum , E. pratense , Maianthemum bifolium , Polygonatum sp. in along base of shingle-sandy spit, 25.IX.2004, leg. A.R. burnt forest along river bank, 27.VIII.2004, leg. A.R.; 3 $$, REMARKS. Two male specimens from the last locality N.N.R. (buffer zone), Burunda River basin, 1 km SE of Burunda mentioned above have carapace different in shape. cordon, moss and leaf litter among sedge-gramineous tussocks DISTRIBUTION. European tundra; Siberia: from the and under young growth of Betula sp. on wide open swamp, Urals to Chukotka, Cisokhotia, Kamchatka, the Kurile Is- 04.X.2004, leg. A.R.; 1 #,5 $$, N.N.R. (buffer zone), Burunda lands, Sakhalin. Through the mountains of South Siberia via River basin, 1.5–2 km NW of Burunda cordon, mosses and the Lake Baikal region eastward to Maritime Prov. In the plant debris on swamp and among sedge-gramineous tussocks Nearctic: Alaska, Yukon. in sparse growth of burnt Betula platyphylla and Larix gmelinii near Kamyshovoye Lake with Chamaedaphne calyculata , Co- marum palustre, Vaccinium uliginosum, Ledum palustre, Sphag- Dicymbium libidinosum (Kulczyñski, 1926) num spp., Polytrichum sp., Hypnum sp., etc., 19.IX.2004, leg. A.R.; 2 $$, Nora River near Maltsevskiy cordon, mosses and leaf MATERIAL. 1 $, N.N.R., right bank of Nora River near litter under Padus sp. with Poaceae, Carex spp., Equisetum Meunskiy cordon, shingles, silt, clay, mosses and leaf litter sylvaticum, undergrowth of Populus tremula in depression under Salix sp. and Alnus sp., 20.VIII.2004, leg. A.R.; 1 $, rill behind natural levee, 15.VI.2005, leg. E.V. & A.R.; 6 $$, lower (left confluent of Nora River) up-stream of Mt. Gryashchin- reaches of Chervinka River, mosses, ferns, leaf litter, plant skaya, true mosses and plant debris among Carex spp., Poaceae, debris on banks of river and intermittent rill with tussocks of Alnus sp., Padus sp., Salix sp., etc., 26.VIII.2004, leg. A.R.; 1 #, Carex spp., Poaceae, Spiraea spp., Salix spp., Betula ?fruticosa, shingle-clayish right bank of Nora River under rocky denuda- undergrowth of Betula platyphylla, etc., 30.VI.2005, leg. E.V. & tion at foot of Ostraya Mt. and bank of old channel: loam, A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses and stones with Carex spp., Poaceae, undergrowth of Salix sp., plant debris among Carex spp., Eriophorum spp., Poaceae with Chosenia arbutifolia, Alnus sp., Padus sp., etc., 23.VIII.2004, leg. Sphagnum spp. along swampy road to Dlinnoye Lake, 13.VII.2005, A.R.; 1 #, 1 $, Nora River near Maltsevskiy cordon, mosses and leg. A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses, leaf litter under Salix spp., Alnus sp., Padus sp., Schisandra leaf litter and plant debris on swampy flood-plain of intermit- chinensis with Carex spp., Equisetum sp., Poaceae, Polygonatum tent rill with Alnus sp., Padus sp., Salix spp., Betula platyphylla, sp. on narrow, partly submerged, spit between river and lake, B. ?fruticosa, Poaceae, Carex spp., Ledum palustre , Filipendula 02.IX.2004, leg. A.R.; 1 $, Nora River near Maltsevskiy cordon, palmata , Vaccinium uliginosum , Convallaria keiskei , Trientalis mosses and leaf litter under Salix spp., Alnus sp., Padus sp., europaea , Maianthemum bifolium , Sphagnum squarrosum , Sph. Schisandra chinensis with Carex spp., Equisetum sp., Poaceae, ?girgensohnii , Sph. ?centrale , Sph. spp., Hypnum sp., etc., Polygonatum sp., on narrow, partly submerged, spit between 10.VII.2005, leg. A.R.; 1 $, Nora River basin near Maltsevskiy river and lake, 03.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), cordon, Maltsevskoye Lake, mosses and leaf litter among sedge Burunda River basin, 0.5–0.7 km NW of Burunda cordon, tussocks with Poaceae, Sphagnum spp., Polytrichum spp., Hyp- sedge-gramineous swamp with Sphagnum ?girgensohnii and true num sp., Plagiomnium sp., Viola sp., Filipendula palmata, Polem- mosses around lake, 10.IX.2004, leg. A.R.; 1 $, near border of onium sp., Anemonidium dichotomum, etc., 14.VI.2005, leg. E.V. N.N.R., left side of Selemdzha River opposite Dvadtsatikha & A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses cordon, fold of small rill, mosses and leaf litter near rill and on and plant debris on flood-plain of intermittent rill with Alnus fallen trees and stones in rill channel, among Alnus sp., Padus sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, sp., Corylus mandshurica , Tilia amurensis , Acer ukurunduense, Sphagnum squarrosum, Sph. ?girgensohnii, Sph. spp., Hypnum sp., Betula platyphylla, B. davurica, Picea ajanensis, Abies nephrole- etc., 08.VII.2005, leg. A.R.; 1 $, Nora River basin near Malt- pis, etc., 28.VI.2005, leg. E.V. & A.R.; 1 $, Nora River, bank of sevskiy cordon, Maltsevskoye Lake, mosses and leaf litter among Sorokavyorstnaya channel, under foot of rocky NE slope of sedge and gramineous tussocks with Spiraea spp., Salix sp., Maltsevskaya Mt.: leaf litter under Alnus sp., Salix spp., Populus Filipendula palmata, Iris sp., Anemonidium dichotomum, Maian- sp., Padus sp., 12.VI.2005, leg. E.V. & A.R.; 1 $, Nora River near Linyphiid spiders of the Norsky Nature Reserve 357

Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., sella, Adoxa sp., Schisandra chinensis, Trientalis europaea, Lili- Padus sp., Salix spp. with ferns, Poaceae, Carex spp., etc., on aceae gen. spp., Saxifraga sp., Dryopteris fragrans , Pleurozium clayish slumping bank. 17.VI.2005, leg. E.V. & A.R.; 1 $, schreberi , Hylocomium splendens, etc., 20.VI.2005, leg. E.V. & Selemdzha River basin, 51 km below Ekimchan, bank of A.R.; 1 $, Mazanovskiy District, right bank of Nora River, S Angelokit Rill, 410–420 m, shingles, sand, drift, leaf litter slope of Zmeinaya Mt. (from foot to rill) among Alnus sp., Larix under Salix spp. and Alnus sp. with Poaceae, Carex spp., etc., gmelinii, Picea ajanensis, Populus spp., Padus sp. with Poaceae, 08.VIII.2005, leg. A.R.; 1 $, Nora River below Maltsevskiy Carex spp., Marchantia sp., etc., 17.VII.2005, leg. A.R.; 1 $, cordon, leaf litter under Salix spp. and Alnus sp. on narrow, Mazanovskiy District, right bank of Nora River, channel of partly submerged, spit between the river and the lake, 10.VI.2005, intermittent rill in fold of Ostraya Mt., mosses and leaf litter leg. E.V. & A.R. under Padus sp., Alnus sp., Acer ukurunduense, Betula platyphyl- DISTRIBUTION. Siberia: from Yenisey River eastward la, etc., 23.VII.2005, leg. A.R.; 1 $, Meun River mouth, leaf litter to Cisokhotia; Kamchatka, Sakhalin; Amurskaya, Khabarovsk under Betula platyphylla , Abies nephrolepis , Picea ajanensis, and Maritime provinces. Known also from China. Populus tremula with Poaceae gen. spp., Carex spp., Fabaceae gen. spp., Filipendula palmata, Equisetum sylvaticum, Rosa sp. on natural levee, 09.VII.2005, leg. A.R.; 1 $, N.N.R. (buffer zone), Diplocentria bidentata (Emerton, 1882) right side of Meun River near mouth, mosses and litter in Picea ajanensis forest with Abies nephrolepis and Populus spp., Maian- MATERIAL. 2 $$, N.N.R. (buffer zone), Burunda River themum bifolium , Trientalis europaea , Equisetum pratense , E. basin, 4 km NW of Burunda cordon, mosses and leaf litter on sylvaticum , Hylocomium splendens , Pleurozium schreberi, etc., very gentle slope with Larix gmelinii, Alnus sp., Ledum palustre, 11.VII.2005, leg. A.R. undergrowth of Betula platyphylla, Hylocomium splendens, Di- DISTRIBUTION. Northeastern Europe; in Siberia: from cranum sp., etc., 08.X.2004, leg. A.R. the Urals eastward to Chukotka, Cisokhotia, Kamchatka, the DISTRIBUTION. Northern Europe; Siberia: from the Kurile Islands, Sakhalin. Through the mountains of South Urals to East Siberia, Cisokhotia, Kamchatka, the Kurile Siberia via the Lake Baikal region eastward to Maritime Islands, Sakhalin. Through the mountains of South Siberia Prov. Known from Mongolia and China. Widespread in the via the Lake Baikal region eastward to Maritime Prov. Known Nearctic. from Mongolia and China. Widespread in the Nearctic. Dismodicus bifrons (Blackwall, 1841) Diplocephalus subrostratus (O. Pickard-Cambridge, 1873) MATERIAL. 1 #, 1 $, N.N.R., Selemdzha River basin near Dvadtsatikha cordon, leaf litter and mosses in sparse forest MATERIAL. 6 ##, 2 $$, near border of N.N.R., left side of with Betula dahurica, Larix gmelinii, young Corylus mandshuri- Selemdzha River opposite Dvadtsatikha cordon, mosses, leaf ca and Tilia amurensis, Poaceae gen. spp., Carex spp., Iris sp., litter and plant debris on and under rocky denudation: Alnus Pteridium aquilinum and other ferns, Equisetum pratense, Rubus sp., Salix spp., Picea ajanensis, Abies nephrolepis, Tilia amurensis, arcticus, Filipendula palmata, Chamaenerion angustifolium, San- Betula platyphylla, B. davurica, Populus tremula, Oxalis acetosel- guisorba sp., Fabaceae gen spp., Fragaria sp., Rosa sp., Geranium la , Dryopteris fragrans , Matteuccia struthiopteris , Pleurozium sp., Dictamnus dasycarpus, etc., 27.VI.2005, leg. E.V. & A.R. schreberi, Hylocomium splendens, etc., 05.VIII.2004, leg. A.R.; 1 DISTRIBUTION. Widespread in Europe, including the #, right bank of Nora River near Meunskiy cordon, shingles, tundra zone; in Siberia known from the Urals eastward to silt, clay, mosses and leaf litter under Salix sp. and Alnus sp., Chukotka; through the mountains of South Siberia via the 20.VIII.2004, leg. A.R.; 2 $$, Selemdzha River, Burundushka Lake Baikal region eastward to Khabarovsk Prov.; known River mouth, mosses and leaf litter under Tilia amurensis, Alnus sp., Acer ukurunduense , Betula platyphylla with Rosa sp., Ca- also from Mongolia. lamagrostis sp., Equisetum sp., Maianthemum bifolium , Thalic- trum sp., Spiraea sp., Oxalis acetosella on natural levee, Epibellowia pacifica (Eskov et Marusik, 1992) 03.VIII.2004, leg. A.R.; 1 #, 1 $, Selemdzha River basin, Aldikon River bank near Norsk, leaf litter under Salix spp. MATERIAL. 3 $$, N.N.R., right bank of Meun River near near water, 05.IX.2004, leg. A.R.; 5 $$, Nora River near Malt- mouth, mosses and litter in spruce forest with Maianthemum sevskiy cordon, mosses and leaf litter under Salix spp., Alnus sp., bifolium , Trientalis europaea , Equisetum pratense , Hylocomium Padus sp., Schisandra chinensis with Carex spp., Equisetum sp., splendens, Pleurozium schreberi, etc., 18.VIII.2004, leg. A.R.; 2 $$, Poaceae, Polygonatum sp. on narrow, partly submerged, spit Selemdzha River, Burundushka River mouth, mosses and leaf between river and lake, 02.IX.2004, leg. A.R.; 1 #, Nora River litter under Tilia amurensis , Alnus sp., Acer ukurunduense, near Maltsevskiy cordon, mosses and leaf litter under Salix Betula platyphylla with Rosa sp., Calamagrostis sp., Equisetum spp., Alnus sp., Padus sp., Schisandra chinensis with Carex spp., sp., Maianthemum bifolium , Thalictrum sp., Spiraea sp., Oxalis Equisetum sp., Poaceae, Polygonatum sp. on narrow, partly acetosella on natural levee, 03.VIII.2004, leg. A.R.; 1 $, Nora submerged, spit between river and lake, 03.IX.2004, leg. A.R.; 2 River near Meun River mouth, moss and leaf litter under Picea $$, Nora River near Maltsevskiy cordon, mosses and leaf litter ajanensis and Betula platyphylla with Maianthemum bifolium, under Alnus sp., Padus sp., Betula platyphylla, undergrowth of Trientalis europaea, Poaceae, Polygonatum sp., ferns on natural Populus tremula with Spiraea spp., Filipendula palmata, Carex levee, 21.VIII.2004, leg. A.R.; 1 $, Nora River, Mt. Gryashchin- spp., Poaceae, Rosa sp., Convallaria keiskei, ferns on natural skaya, mosses and leaf litter on steep rocky slope with Betula levee, 29.VIII.2004, leg. A.R.; 1 #, Nora River, bank of So- platyphylla, Alnus sp., Sorbus sibirica, Swida alba, undergrowth rokavyorstnaya channel, under foot of rocky NE slope of of Acer ukurunduense, Pleurozium schreberi, Hylocomium splen- Maltsevskaya Mt.: leaf litter under Alnus sp., Salix spp., Populus dens, Dicranum sp., Ptilium crista-castrensis, Sphagnum ?girgen- sp., Padus sp., 12.VI.2005, leg. E.V. & A.R.; 2 $$, Meun River sohnii , Dryopteris fragrans, etc., 25.VIII.2004, leg. A.R.; 3 $$, mouth, steep slope of Ust’-Meunskaya Mt., mosses and leaf near border of N.N.R., left side of Selemdzha River opposite litter on rocks and at their foot: ferns, Acer ukurunduense, Dvadtsatikha cordon, fold of small rill, mosses and leaf litter Padus sp., etc., 14.VII.2005, leg. A.R.; 2 $$, near border of under Abies nephrolepis and Picea ajanensis on slope with N.N.R., left side of Selemdzha River opposite Dvadtsatikha Maianthemum bifolium, Trientalis europaea, Equisetum pratense, cordon, mosses and leaf litter in riverside forest under rocky Eq. sylvaticum, Oxalis acetosella, Mitella nuda, etc., 28.VI.2005, denudation: Alnus sp., Salix spp., Abies nephrolepis , Padus sp., leg. E.V. & A.R.; 1 $, Mazanovskiy District, right bank of Nora Betula platyphylla , B. dahurica , Acer ukurunduense , Corylus River below Ostraya Mt., mosses and leaf litter under Alnus sp., mandshurica, Ulmus sp., Matteuccia struthiopteris, Oxalis aceto- Padus sp., Spiraea sp. with Matteuccia struthiopteris, Poaceae, 358 A.V. Tanasevitch

Carex spp. on high bank of river, 23.VII.2005, leg. A.R.; 1 $, leg. A.R.; 1 $, Burunda River near Ozyornyi Rill mouth, Plant Mazanovskiy District, right bank of Nora River, steep NE debris and mosses among tussocks of Carex spp. and Poaceae slopes of Ostraya Mt., mosses and leaf litter among Populus spp., with Spiraea sp., Vicia sp., small true mosses on gently sloping Larix gmelinii, Betula platyphylla, Alnus spp., Padus sp., Rhodo- side of small flood-plain lake, 02.X.2004, leg. A.R. dendron sp., ?Sedum sp., Saxifraga sp., Equisetum sp., ferns, etc., DISTRIBUTION. Widespread in Europe, known from the 20.VII.2005, leg. A.R.; 1 $, near border of N.N.R., left side of Caucasus, Turkey, Iran, Middle Asia. In Siberia it recorded from Selemdzha River opposite Dvadtsatikha cordon, mosses and West and Middle Siberia, Kamchatka, the Kurile Islands, Sa- leaf litter in riverside forest under rocky denudation: Alnus sp., khalin; the mountains of South Siberia: Tuva, Sayan, Lake Salix spp., Abies nephrolepis , Padus sp., Betula platyphylla , B. Baikal region; Amurskaya, Khabarovsk and Maritime provinces. dahurica, Acer ukurunduense, Corylus mandshurica, Ulmus sp., Known from Mongolia, China and Japan. Matteuccia struthiopteris, Oxalis acetosella, Adoxa sp., Schisan- dra chinensis, Trientalis europaea, Liliaceae gen. spp., Saxifraga Gnathonarium taczanowskii (O. Pickard-Cam- sp., Dryopteris fragrans, Pleurozium schreberi, Hylocomium splen- dens, etc., 20.VI.2005, leg. E.V. & A.R.; 3 ##,6 $$, N.N.R. (buffer bridge, 1873) zone), right side of Meun River near mouth, mosses and litter in Picea ajanensis forest with Abies nephrolepis and Populus spp., MATERIAL. 3 ##, 1 $, N.N.R., rill (left confluent of Nora Maianthemum bifolium , Trientalis europaea , Equisetum pratense, River) up-stream of Mt. Gryashchinskaya, true mosses and E. sylvaticum , Hylocomium splendens , Pleurozium schreberi, etc., plant debris among Carex spp., Poaceae, Alnus sp., Padus sp., 11.VII.2005, leg. A.R. Salix sp., etc., 26.VIII.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), DISTRIBUTION. Lake Baikal region, Amurskaya and Burunda River basin, Meunchik River bank near railway Khabarovsk provinces. bridge (6 km NW of Burunda cordon), mosses and plant debris on stones near water and among Carex spp. and Poaceae with Spiraea sp., 14.IX.2004, leg. A.R.; 1 $, shingle-clayish right bank Erigone atra Blackwall, 1833 of Nora River under rocky denudation at foot of Ostraya Mt. and bank of old channel: loam, stones with Carex spp., Poaceae, MATERIAL. 1 $, 1 $, Nora River basin, 1.5 km up-stream undergrowth of Salix sp., Chosenia arbutifolia, Alnus sp., Padus of Mt. Gryashchinskaya, moss and plant debris on Carex- sp., etc., 23.VIII.2004, leg. A.R.; 1 #, Nora River near Malt- Eriophorum swamp with Chamaedaphne calyculata, gramineous sevskiy cordon, mosses and leaf litter under Salix spp., Alnus sp., admixture, Comarum palustre, Salix sp., Vaccinium uliginosum, Padus sp., Schisandra chinensis with Carex spp., Equisetum sp., Sphagnum spp., etc., 25.VIII.2004, leg. A.R. Poaceae, Polygonatum sp. on narrow, partly submerged, spit DISTRIBUTION. All over the Holarctic. between river and lake, 02.IX.2004, leg. A.R.; 2 ##, 3 $$, near border of buffer zone of N.N.R., Burunda River basin, loamy Erigone capra Simon, 1884 bank of Meunchik River, 500–700 m up-stream of mouth, on soil, in mosses and plant debris among Carex spp., Poaceae, Filipendula palmata under Alnus sp., Salix sp., and Spiraea sp., MATERIAL. 1 #, N.N.R., Nora River basin near Meunskiy 16.IX.2004, leg. A.R. cordon, mosses and plant debris among Carex spp. & Poaceae DISTRIBUTION. Siberia from the Urals to Chukotka, with Comarum palustre , Sphagnum squarrosum , Sph. spp., Cisokhotia, Kamchatka, Commandor Islands, Sakhalin; Aulacomnium sp. and other true mosses near side of flood- mountains of South Siberia, Amurskaya, Khabarovsk and plain lake and swampy road. 13.VIII.2004, leg. A.R.; 1 $, Nora River basin, 1.5 km up-stream of Mt. Gryashchinskaya, moss Maritime provinces. Known also from Mongolia and China and plant debris on Carex-Eriophorum swamp with (under different names). Chamaedaphne calyculata, gramineous admixture, Comarum palustre, Salix sp., Vaccinium uliginosum, Sphagnum spp., etc., Gonatium rubens (Blackwall, 1833) 25.VIII.2004, leg. A.R.; 1 $, Nora River below Maltsevskiy cordon, leaf litter under Salix spp. and Alnus sp. on narrow, partly submerged, spit between the river and the lake, MATERIAL. 1 #, N.N.R., Nora River basin near Malt- 10.VI.2005, leg. E.V. & A.R. sevskiy cordon, mosses and plant debris on swampy flood-plain DISTRIBUTION. Widespread in Europe, includinf the lakeside: Carex spp., Calamagrostis sp., Filipendula palmata, Geranium sp., Comarum palustre, Spiraea sp., Salix sp., Sphagnum tundra zone, known from the Caucasus. Through the moun- ?girgensohnii , Sph. squarrosum , Polytrichum commune , P. sp., tains of South Siberia via the Lake Baikal region to Kha- Climacium sp., Iris sp., etc., 28.VIII.2004, leg. A.R.; 1 #, N.N.R. barovsk Prov., the Kurile Islands, Sakhalin. (buffer zone), Burunda River basin, Meunchik River bank near railway bridge (6 km NW of Burunda cordon), mosses and Erigone hypoarctica Eskov, 1989 plant debris on stones near water and among Carex spp. and Poaceae with Spiraea sp., 14.IX.2004, leg. A.R. DISTRIBUTION. Widespread in Europe, including the MATERIAL. 1 #, 1 $, N.N.R. (buffer zone), Burunda River, 1 km below Burunda cordon, mosses (Plagiomnium sp. etc.) and tundra zone, registered from the Caucasus and Middle Asia. leaf litter under Salix sp. with Poaceae, Carex sp., Filipendula In Siberia distributed from the Urals eastward to Chukotka, palmata, Pyrola sp. along base of shingle-sandy spit, 25.IX.2004, Cisokhotia, Sakhalin; from eastern Kazakhstan through the leg. A.R. mountains of South Siberia via the Lake Baikal region east- DISTRIBUTION. European tundra, all Siberia from the ward to Khabarovsk and Maritime provinces. Recorded also Urals to Chukotka; Cisokhotia, Sakhalin; mountains of South in Mongolia and Japan. Siberia: Tuva and Sayan; Amurskaya and Khabarovsk prov- inces. Hilaira devitata Eskov, 1987

Gnathonarium dentatum (Wider, 1834) MATERIAL. 1 #, N.N.R., Nora River basin near Meunskiy cordon, mosses and plant debris at flood-plain of a rill: Alnus MATERIAL. 1 #, 1 $, N.N.R. (buffer zone), Burunda River, sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, 1 km below Burunda cordon, mosses (Plagiomnium sp. etc.) and Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 15.VIII.2004, leaf litter under Salix sp. with Poaceae, Carex sp., Filipendula leg. A.R.; 1 #, 3 $$, N.N.R. (buffer zone), Burunda River basin, palmata, Pyrola sp. along base of shingle-sandy spit, 25.IX.2004, 0.5–1 km NW of Burunda cordon, plant debris and small true Linyphiid spiders of the Norsky Nature Reserve 359 mosses among Carex spp. & Poaceae along rill bank, 12.IX.2004, DISTRIBUTION. Siberia: from Yenisey River eastward leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin near to Chukotka, Cisokhotia. Mountains of South Siberia: Tuva, Burunda cordon, plant debris and mosses on swampy sides of Sayan; Amurskaya and Khabarovsk provinces. flood-plain lake: Carex spp., Poaceae, Spiraea sp., sparse Cli- macium sp., Hypnum sp., Sphagnum sp., Polytrichum sp., etc., 09.IX.2004, leg. A.R.; 30 ## & $$, N.N.R. (buffer zone), Hilaira syrojeczkovskii Eskov, 1981 Burunda River basin, 0.5–0.7 km NW of Burunda cordon, sedge-gramineous swamp with Sphagnum ?girgensohnii and true MATERIAL. 1 #, 8 $$, N.N.R. (buffer zone), Burunda mosses around lake, 10.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. River, 1 km below Burunda cordon, mosses (Plagiomnium sp. (buffer zone), Burunda River basin, 1.5–2 km NW of Burunda etc.) and leaf litter under Salix sp. with Poaceae, Carex sp., cordon, mosses and plant debris on swamp and among sedge- Filipendula palmata, Pyrola sp. along base of shingle-sandy spit, gramineous tussocks in sparse growth of burnt Betula platy- 25.IX.2004, leg. A.R. phylla and Larix gmelinii near Kamyshovoye Lake with DISTRIBUTION. Siberia: from Yenisey River eastward Chamaedaphne calyculata, Comarum palustre, Vaccinium uligi- to Chukotka, Cisokhotia; Amurskaya and Khabarovsk prov- nosum, Ledum palustre, Sphagnum spp., Polytrichum sp., Hypnum inces. sp., etc., 19.IX.2004, leg. A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses, leaf litter and plant debris on swampy flood-plain of intermittent rill with Alnus sp., Padus Holminaria prolata (O. Pickard-Cambridge, 1873) sp., Salix spp., Betula platyphylla, B. ?fruticosa, Poaceae, Carex spp., Ledum palustre, Filipendula palmata, Vaccinium uliginosum, MATERIAL. 2 $$, Amurskaya Area, Mazanovskiy District, Convallaria keiskei, Trientalis europaea, Maianthemum bifolium, right bank of Nora River below Ostraya Mt., mosses and leaf Sphagnum squarrosum , Sph. ?girgensohnii , Sph. ?centrale , Sph. litter under Alnus sp., Padus sp., Spiraea sp. with Matteuccia spp., Hypnum sp., etc., 10.VII.2005, leg. A.R.; 1 $, Meun River struthiopteris, Poaceae, Carex spp. on high bank of river, mouth, mosses, leaf litter and plant debris on swamp between 23.VII.2005, leg. A.R.; 2 ##, 2 $$, Selemdzha River basin, 51 natural levee and steep slope of bald mountain: Spiraea spp., km below Ekimchan, bank of Angelokit Rill, 410–420 m, Alnus sp., Padus sp., Salix spp., Carex spp., Filipendula palmata, shingles, sand, drift, leaf litter under Salix spp. and Alnus sp. etc., 09.VII.2005, leg. A.R.; 1 #, 1 $, Nora River basin near with Poaceae, Carex spp., etc., 08.VIII.2005, leg. A.R. Meunskiy cordon, mosses and plant debris on flood-plain of DISTRIBUTION. Siberia: from Yenisey River eastward intermittent rill with Alnus sp., Carex spp., Poaceae, Trientalis to Kolyma River basin, Cisokhotia. Mountains of South europaea, Convallaria keiskei, Sphagnum squarrosum, Sph. ?gir- Siberia: Tuva, Sayan; Amurskaya and Khabarovsk provinc- gensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R. es, Sakhalin. DISTRIBUTION. Middle and East Siberia; Amurskaya, Khabarovsk and Maritime provinces. Holminaria sibirica Eskov, 1991

Hilaira pelikena Eskov, 1987 MATERIAL. 2 $$, near border of N.N.R., island on Selem- dzha River near Dvadtsatikha cordon, leaf litter, moss and drift MATERIAL. 1 #, N.N.R., Nora River basin near Meunskiy in the heart of the island: among Salix spp., Populus sp., Picea cordon, mosses and plant debris at flood-plain of a rill: Alnus ajanensis, Abies nephrolepis, Alnus sp., Larix gmelinii with Poace- sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, ae, Carex sp., etc., 06.VIII.2004, leg. A.R.; 1 #, Selemdzha River Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 18.VIII.2004, basin, Aldikon River bank near Norsk, leaf litter under Salix leg. A.R.; 1 $, Burunda River near Ozyornyi Rill mouth, mosses spp. near water, 05.IX.2004, leg. A.R.; 1 #, Nora River near and plant debris among sedge-gramineous tussocks on very Maltsevskiy cordon, mosses and leaf litter under Salix spp., gentle slope near intermittent channel: Carex spp., Calamagros- Alnus sp., Padus sp., Schisandra chinensis with Carex spp., tis sp., Polytrichum sp. and other true mosses, Spiraea sp., etc., Equisetum sp., Poaceae, Polygonatum sp. on narrow, partly 27.IX.2004, leg. A.R.; 1 $, Nora River basin near Meun River submerged, spit between river and lake, 03.IX.2004, leg. A.R. mouth, small swamp with Carex spp., Poaceae & Sphagnum DISTRIBUTION. Middle Siberia, Lake Baikal region, squarrosum, 20.VIII.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Amurskaya, Khabarovsk and Maritime provinces, Sakhalin. Burunda River basin near Burunda cordon, plant debris and Known also from China. mosses (+sweeping) on swampy sides of flood-plain lake: Carex spp., Poaceae, Spiraea sp., sparse Climacium sp., Hypnum sp., Sphagnum sp., Polytrichum sp., etc., 09.IX.2004, leg. A.R.; 1 #,6 Hylyphantes graminicola (Sundevall, 1830) $$, N.N.R. (buffer zone), Burunda River, 1 km below Burunda cordon, mosses (Plagiomnium sp. etc.) and leaf litter under Salix MATERIAL. 1 #, 2 $$, Amurskaya Area, Selemdzhinsky sp. with Poaceae, Carex sp., Filipendula palmata , Pyrola sp. District, Selemdzha River basin, Aldikon River bank near Norsk, along base of shingle-sandy spit, 25.IX.2004, leg. A.R. leaf litter under Salix spp. near water, 05.IX.2004, leg. A.R.; 4 DISTRIBUTION. Known from Chukotka. The above ##, 2 $$, N.N.R. (buffer zone), Burunda River, 1 km below are the southwesternmost locality of the species. Burunda cordon, mosses (Plagiomnium sp., etc.) and leaf litter under Salix sp. with Poaceae, Carex sp., Filipendula palmata, Hilaira sibirica Eskov, 1987 Pyrola sp. along base of shingle-sandy spit, 25.IX.2004, leg. A.R. DISTRIBUTION. Throughout the Palaearctic. MATERIAL. 1 $, Amurskaya Area, Selemdzhinsky District, Selemdzha River basin, 51 km below Ekimchan, bank of Hylyphantes nigritus (Simon, 1881) Angelokit Rill, 410–420 m, shingles, sand, drift, leaf litter under Salix spp. and Alnus sp. with Poaceae, Carex spp., etc., MATERIAL. 1 #, N.N.R., Nora River basin near Malt- 08.VIII.2005, leg. A.R.; 2 $$, Selemdzha River basin, 5–6 km sevskiy cordon, Maltsevskoye Lake, mosses and leaf litter among up-stream of Ekimchan, Unerikan Rill, 1–2 km up-stream of sedge and gramineous tussocks with Spiraea spp., Salix sp., mouth, 490 m, mosses and leaf litter in forest and on open Filipendula palmata, Iris sp., Anemonidium dichotomum, Maian- bank of rill: Abies nephrolepis , Picea ajanensis , Larix gmelinii, themum bifolium , Polytrichum spp., Hypnum sp., Sphagnum Betula sp., Hylocomium splendens, Pleurozium schreberi, Sphag- squarrosum , Sph. sp., Plagiomnium sp., undergrowth of Betula num squarrosum, Sph. ?girgensohnii, Sph. spp., Poaceae, Equise- sp., etc., 13.VI.2005, leg. E.V. & A.R.; 1 #, near border of N.N.R., tum spp., etc., 05.VIII.2005, leg. A.R. island on Selemdzha River near Dvadtsatikha cordon, on 360 A.V. Tanasevitch shingle bed, 21.VI.2005, leg. E.V. & A.R.; 1 #, Selemdzha River cordon, leaf litter and mosses in sparse forest with Betula basin, 1.5 km NE of Dvadtsatikha cordon, mosses and leaf litter davurica, Larix gmelinii, young Corylus mandshurica and Tilia on open swamp near lake: Carex spp., Eriophorum spp., Poaceae amurensis, Poaceae gen. spp., Carex spp., Iris sp., Pteridium gen. sp., Sphagnum spp., Hypnum spp., Salix sp., etc., 24.VI.2005, aquilinum and other ferns, Equisetum pratense, Rubus arcticus, leg. E.V. & A.R.; 1 $, lower reaches of Chervinka River, sweeping Filipendula palmata , Chamaenerion angustifolium , Sanguisorba on wide swamp with tussocks of Carex spp. and Poaceae gen. spp. sp., Fabaceae gen spp., Fragaria sp., Rosa sp., Geranium sp., with Salix spp., Alnus sp., Betula fruticosa , Ledum palustre, Dictamnus dasycarpus, etc., 27.VI.2005, leg. E.V. & A.R.; 1 $, Chamaedaphne calyculata , Vaccinium uliginosum, undergrowth lower reaches of Chervinka River, sweeping on wide swamp and young trees of Betula platyphylla and Populus tremula, with tussocks of Carex spp. and Poaceae gen. spp. with Salix individual trees of Larix gmelinii , Sphagnum squarrosum , Sph. spp., Alnus sp., Betula fruticosa, Ledum palustre, Chamaedaphne spp., Polytrichum spp., etc., 02.VII.2005, leg. E.V. & A.R. calyculata, Vaccinium uliginosum, undergrowth and young trees DISTRIBUTION. Widespread in Europe, the Caucasus, of Betula platyphylla and Populus tremula, individual trees of the Urals. Eastern Kazakhstan, throughout the mountains of Larix gmelinii , Sphagnum squarrosum , Sph. spp., Polytrichum South Siberia via the Lake Baikal region to Khabarovsk and spp., etc., 02.VII.2005, leg. E.V. & A.R. Maritime provinces, the Kurile Islands, Sakhalin. Known DISTRIBUTION. Known only from Japan. This is a from China. species new to the Russian fauna.

Hypomma bituberculatum (Wider, 1834) Hypselistes jacksoni (O. Pickard-Cambridge, 1902)

MATERIAL. 1 $, N.N.R., rill (left confluent of Nora River) MATERIAL. 1 $, N.N.R. (buffer zone), Burunda River up-stream of Mt. Gryashchinskaya, true mosses and plant basin, 0.5–1 km NW of Burunda cordon, mosses and plant debris among Carex spp., Poaceae, Alnus sp., Padus sp., Salix sp., debris among sedge tussocks with Spiraea sp., ?Aulacomnium etc., 26.VIII.2004, leg. A.R.; 1 $, Burunda River near Ozyornyi sp., Sphagnum squarrosum, Sph. ?girgensohnii, small true mosses, Rill mouth, mosses and plant debris among sedge-gramineous etc., 05.X.2004, leg. A.R.; 1 $, Nora River basin near Meun River tussocks on very gentle slope near intermittent channel: Carex mouth, small swamp with Carex spp., Poaceae & Sphagnum spp., Calamagrostis sp., Polytrichum sp. and other true mosses, squarrosum, 20.VIII.2004, leg. A.R. Spiraea sp., etc., 28.IX.2004, leg. A.R.; 3 $$, Nora River near DISTRIBUTION. Northern Europe and the Caucasus, Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., all Siberia from the Urals to Chukotka and Wrangel Island, Padus sp., Salix spp. with ferns, Poaceae, Carex spp., etc., on Cisokhotia, Kamchatka. From eastern Kazakhstan via the clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; 1 #, 1 $, mountains of South Siberia eastward to Khabarovsk and Nora River basin near Meunskiy cordon, mosses, leaf litter and Maritime provinces; known from Mongolia and China. In plant debris on swampy flood-plain of intermittent rill with the Nearctic, recorded in Alaska and Saskatchewan. Alnus sp., Padus sp., Salix spp., Betula platyphylla, B. ?fruticosa, Poaceae, Carex spp., Ledum palustre, Filipendula palmata, Vac- cinium uliginosum, Convallaria keiskei, Trientalis europaea, Ma- Hypselistes semiflavus (L.Koch, 1879) ianthemum bifolium , Sphagnum squarrosum , Sph. ?girgensohnii, Sph. ?centrale, Sph. spp., Hypnum sp., etc., 10.VII.2005, leg. A.R.; MATERIAL. 1 #, N.N.R., Nora River basin near Maltsevskiy 1 $, Nora River below Maltsevskiy cordon, mosses and leaf cordon, mosses and plant debris on swampy flood-plain lakeside: litter among Carex spp. and Poaceae on narrow spit between Carex spp., Calamagrostis sp., Filipendula palmata, Geranium sp., the river and the lake, 10.VI.2005, leg. E.V. & A.R.; 1 $, Comarum palustre, Spiraea sp., Salix sp., Sphagnum ?girgensohnii, Selemdzha River basin near Dvadtsatikha cordon, leaf litter Sph. squarrosum, Polytrichum commune, P. sp., Climacium sp., Iris and mosses in sparse forest with Betula dahurica, Larix gmelinii, sp., etc., 28.VIII.2004, leg. A.R.; 1 #, 2 $$, Selemdzha River basin, undergrowth of Corylus mandshurica and Tilia amurensis, mot- 3–4 km up-stream of Norsk, mosses and plant debris on sides of ley grass, Polytrichum sp. (old fire-site) and under bark of dead drainage lakes (dammed rill), Carex spp., Poaceae, Filipendula Betula dahurica, 27.VI.2005, leg. E.V. & A.R.; 2 $$, Selemdzha palmata, Iris sp., Spiraea sp., ferns, motley grass, 07.IX.2004, leg. River basin near Dvadtsatikha cordon, leaf litter and mosses in A.R.; 1 #, Burunda River bank, 2.5 km below Burunda cordon, sparse forest with Betula davurica, Larix gmelinii, young Corylus on soil, in organic drift on wet sand, and in plant debris among mandshurica and Tilia amurensis, Poaceae gen. spp., Carex spp., Carex spp. and Poaceae under Salix spp. along base of shingle- Iris sp., Pteridium aquilinum and other ferns, Equisetum pratense, sandy spit, 15.IX.2004, leg. A.R.; 1 #, 2 $$, Burunda River near Rubus arcticus, Filipendula palmata, Chamaenerion angustifolium, Ozyornyi Rill mouth, mosses and plant debris among sedge- Sanguisorba sp., Fabaceae gen spp., Fragaria sp., Rosa sp., Geranium gramineous tussocks on very gentle slope near intermittent sp., Dictamnus dasycarpus, etc., 27.VI.2005, leg. E.V. & A.R. channel: Carex spp., Calamagrostis sp., Polytrichum sp. and other DISTRIBUTION. Throughout the Palaearctic. true mosses, Spiraea sp., etc., 28.IX.2004, leg. A.R.; 2 ##, 1 $, N.N.R. (buffer zone), Burunda River basin near Burunda cordon, plant debris and mosses on swampy sides of flood-plain lake: Hypselistes australis Saito et Ono, 2001 Carex spp., Poaceae, Spiraea sp., sparse Climacium sp., Hypnum sp., Sphagnum sp., Polytrichum sp., etc., 09.IX.2004, leg. A.R.; 1 #, MATERIAL. 1 $, N.N.R., lower reaches of Chervinka River, Burunda River near Ozyornyi Rill mouth, Plant debris and mosses, ferns, leaf litter, plant debris on banks of river and mosses among tussocks of Carex spp. and Poaceae with Spiraea intermittent rill with tussocks of Carex spp., Poaceae, Spiraea sp., Vicia sp., small true mosses on gently sloping side of small spp., Salix spp., Betula ?fruticosa, undergrowth of Betula platy- flood-plain lake, 02.X.2004, leg. A.R. phylla, etc., 30.VI.2005, leg. E.V. & A.R.; 2 $$, Nora River near DISTRIBUTION. Northeastern part of Europe (tundra), Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., the Urals; Siberia from Yamal Peninsula to Cisokhotia, Ka- Padus sp., Salix spp. with ferns, Poaceae, Carex spp., etc., on mchatka, the Kurile Islands, mountains of South Siberia, clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; 1 $, near Amurskaya, Khabarovsk and Maritime provinces. In the Dvadtsatikha cordon, sweeping on open swamp with Carex Nearctic known from Yukon Territories. spp., Poaceae, Salix spp., Spiraea spp., Filipendula palmata, Iris sp., Valeriana sp., etc., 19.VI.2005, leg. E.V. & A.R.; 1 $, Selem- dzha River basin, 1.5 km NE of Dvadtsatikha cordon, mosses Incestophantes obtusus Tanasevitch, 1996 and leaf litter on open swamp near lake: Carex spp., Eriopho- rum spp., Poaceae gen. sp., Sphagnum spp., Hypnum spp., Salix MATERIAL. 1 $, N.N.R., right bank of Nora River, Ostraya Mt., sp., etc., 24.VI.2005, leg. E.V. & A.R.; 1 $, near Dvadtsatikha mosses and leaf litter on rocky denudation, 23.VIII.2004, leg. A.R. Linyphiid spiders of the Norsky Nature Reserve 361

DISTRIBUTION. South Siberia: Tuva; Amurskaya and NW of Burunda cordon, plant debris among tussocks of Carex Khabarovsk provinces. Known from Mongolia and China spp. under sparse Alnus sp. with young growth of Larix gmelinii (as I. kochiellus). along rill bank near road, 17.IX.2004, leg. A.R.; 1 #, Selemdzha River basin, 3–4 km up-stream of Norsk, mosses and plant debris on sides of drainage lakes (dammed rill), Carex spp., Kaestneria pullata (O. Pickard-Cambridge, 1863) Poaceae, Filipendula palmata, Iris sp., Spiraea sp., ferns, motley grass, 07.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy River basin, 1.5 km NW of Burunda cordon, plant debris cordon, mosses and plant debris at flood-plain of a rill: Alnus among Carex sp. under sparse Alnus sp. with young growth of sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, Larix gmelinii along rill bank near road, 18.IX.2004, leg. A.R.; Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 18.VIII.2004, 10 ## & $$, N.N.R. (buffer zone), Burunda River basin, 1 km leg. A.R.; 1 $, rill (left confluent of Nora River) up-stream of SE of Burunda cordon, moss and leaf litter among sedge- Mt. Gryashchinskaya, true mosses and plant debris among gramineous tussocks and under young growth of Betula sp. on Carex spp., Poaceae, Alnus sp., Padus sp., Salix sp., etc., 26.VIII.2004, wide open swamp, 04.X.2004, leg. A.R.; 3 ##, 4 $$, Burunda leg. A.R.; 2 ##, 2 $$, Nora River near Maltsevskiy cordon, River near Ozyornyi Rill mouth, Plant debris and mosses mosses, leaf litter, soil under Alnus sp., Padus sp., Salix spp. with among tussocks of Carex spp. and Poaceae with Spiraea sp., ferns, Poaceae, Carex spp., etc., on clayish slumping bank, Vicia sp., Plagiomnium sp. on open flood-plain depression with 17.VI.2005, leg. E.V. & A.R.; 2 $$, Nora River basin near tracks of Capreolus capreolus, 01.X.2004, leg. A.R.; 1 $, N.N.R. Meunskiy cordon, mosses, leaf litter and plant debris on (buffer zone), Burunda River basin, 1.5–2 km NW of Burunda swampy flood-plain of intermittent rill with Alnus sp., Padus cordon, mosses and plant debris on swamp near Kamyshovoye sp., Salix spp., Betula platyphylla, B. ?fruticosa, Poaceae, Carex Lake: Sphagnum spp., Hypnum sp., dense growth of Chamaedaphne spp., Ledum palustre, Filipendula palmata, Vaccinium uliginosum, calyculata , Menyanthes trifoliata , Comarum palustre , Eriopho- Convallaria keiskei, Trientalis europaea, Maianthemum bifolium, rum sp., separate tussocks of Carex sp., sparse Poaceae, etc., Sphagnum squarrosum , Sph. ?girgensohnii , Sph. ?centrale , Sph. 13.IX.2004, leg. A.R.; 2 $$, Nora River basin, 1.5 km up-stream spp., Hypnum sp., etc., 10.VII.2005, leg. A.R.; 1 #, Mazanovskiy of Mt. Gryashchinskaya, moss and plant debris on Carex- District, right bank of Nora River, S slope of Zmeinaya Mt. Eriophorum swamp with Chamaedaphne calyculata, gramineous (from foot to rill) among Alnus sp., Larix gmelinii , Picea admixture, Comarum palustre, Salix sp., Vaccinium uliginosum, ajanensis , Populus spp., Padus sp. with Poaceae, Carex spp., Sphagnum spp., etc., 25.VIII.2004, leg. A.R.; 1 #, 2 $$, Selem- Marchantia sp., etc., 17.VII.2005, leg. A.R.; 1 $, Meun River dzha River basin, flood-plain of Aldikon River near Norsk, mouth, mosses, leaf litter and plant debris on swamp between mosses and leaf litter under Salix sp. and along the edge of natural levee and steep slope of bald mountain: Spiraea spp., open sedge-gramineous tussock swamp, 05.IX.2004, leg. A.R.; Alnus sp., Padus sp., Salix spp., Carex spp., Filipendula palmata, 10## & $$, N.N.R. (buffer zone), Burunda River basin, 0.5– etc., 09.VII.2005, leg. A.R.; 1 #, lower reaches of Chervinka 0.7 km NW of Burunda cordon, sedge-gramineous swamp with River, mosses, plant debris, leaf litter on wide swamp with Sphagnum ?girgensohnii and true mosses around lake, 10.IX.2004, tussocks of Carex spp. and Poaceae gen. spp. with Salix spp., leg. A.R.; 1 $, lower reaches of Chervinka River, mosses, ferns, Alnus sp., Betula fruticosa, Ledum palustre, Chamaedaphne caly- leaf litter, plant debris on banks of river and intermittent rill culata, Vaccinium uliginosum, undergrowth and young trees of with tussocks of Carex spp., Poaceae, Spiraea spp., Salix spp., Betula platyphylla and Populus tremula, individual trees of Betula ?fruticosa, undergrowth of Betula platyphylla, etc., Larix gmelinii , Sphagnum squarrosum , Sph. spp., Polytrichum 30.VI.2005, leg. E.V. & A.R.; 1 #, 1 $, Selemdzha River basin, spp., etc., 02.VII.2005, leg. E.V. & A.R. 1.5 km NE of Dvadtsatikha cordon, banks and flood-plain of a DISTRIBUTION. Throughout the Holarctic. rill inflowing to lake, mosses and leaf litter under Salix spp., Alnus sp., undergrowth of Betula platyphylla and Populus Lasiargus hirsutus (Menge, 1869) tremula , Spiraea spp. with Poaceae, Carex spp., Trollius sp., Filipendula palmata, ferns, Sphagnum spp., Polytrichum spp., Hypnum sp., Plagiomnium sp., etc., 26.VI.2005, leg. E.V. & A.R.; 1 MATERIAL. 1 $, N.N.R. (buffer zone), Burunda River #, Meun River mouth, mosses, leaf litter and plant debris on basin, 1.5–2 km NW of Burunda cordon, mosses and plant swamp between natural levee and steep slope of bald moun- debris on swamp and among sedge-gramineous tussocks in tain: Spiraea spp., Alnus sp., Padus sp., Salix spp., Carex spp., sparse growth of burnt Betula platyphylla and Larix gmelinii Filipendula palmata, etc., 09.VII.2005, leg. A.R.; 1 #, 2 $$, Nora near Kamyshovoye Lake with Chamaedaphne calyculata , Co- River basin near Meunskiy cordon, mosses and plant debris on marum palustre, Vaccinium uliginosum, Ledum palustre, Sphag- flood-plain of intermittent rill with Alnus sp., Carex spp., num spp., Polytrichum sp., Hypnum sp., etc., 19.IX.2004, leg. A.R. Poaceae, Trientalis europaea, Convallaria keiskei, Sphagnum squar- DISTRIBUTION. Europe, registered from the Crimea, rosum, Sph. ?girgensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, the Caucasus and Middle Asia. In Siberia distributed from leg. A.R. the Urals to Cisokhotia, Kamchatka; through the mountains DISTRIBUTION. Siberia: from the Urals to East Sibe- of South Siberia eastward to Khabarovsk Prov. Known from ria, Cisokhotia, mountains of South Siberia: Tuva, Sayan; Mongolia. Amurskaya, Khabarovsk and Maritime provinces, Sakhalin. In the Nearctic, only known from Alaska. Lophomma cognatum Holm, 1960 Macrargus multesimus (O. Pickard-Cambridge, MATERIAL. 1 #, 1 $, N.N.R., Nora River basin near 1875) Meunskiy cordon, mosses and plant debris at flood-plain of a rill: Alnus sp., Carex spp., Poaceae, Trientalis europaea, Conval- MATERIAL. 2 ##, 1 $, N.N.R. (buffer zone), Burunda laria keiskei, Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., River basin, 1 km NW of Burunda cordon, mosses and leaf 18.VIII.2004, leg. A.R.; 1 $, Nora River basin near Meunskiy litter in Alnus forest with Poaceae, Rubus idaeus, R. arcticus, R. cordon, mosses and plant debris at flood-plain of a rill: Alnus humilifolius, Urtica sp., sparse Carex sp. and Trientalis europaea sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, near rill, 17.IX.2004, leg. A.R.; 1 $, Nora River near Maltsevskiy Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 15.VIII.2004, cordon, mosses and leaf litter under Alnus sp., Padus sp., Betula leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 0.5– platyphylla, undergrowth of Populus tremula with Spiraea spp., 1 km NW of Burunda cordon, plant debris and small true Filipendula palmata, Carex spp., Poaceae, Rosa sp., Convallaria mosses among Carex spp. & Poaceae along rill bank, 12.IX.2004, keiskei, ferns on natural levee, 29.VIII.2004, leg. A.R.; 1 #, 1 $, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin, 1.5 km Nora River basin near Maltsevskiy cordon, leaf litter under 362 A.V. Tanasevitch

Populus tremula , Betula platyphylla , Padus sp. with Poaceae, tremula, and Alnus sp. in flood-plain depression, 29.IX.2004, leg. Equisetum sylvaticum, Spiraea sp., Maianthemum bifolium, Polyg- A.R.; 1 $, Burunda River near Ozyornyi Rill mouth, Plant onatum sp., ferns near flood-plain lake, 30.VIII.2004, leg. A.R.; 1 debris and mosses among tussocks of Carex spp. and Poaceae #, 1 $, N.N.R. (buffer zone), Burunda River basin, 2 km SE of with Spiraea sp., Vicia sp., Plagiomnium sp. on open flood-plain Burunda cordon, leaf litter in young dense larch forest with depression with tracks of Capreolus capreolus, 01.X.2004, leg. sparse Alnus sp., Poaceae, Equisetum sp. and under old larch A.R.; 1 $, right bank of Nora River, Ostraya Mt., mosses and tree on hill, 22.IX.2004, leg. A.R.; 1 $, near border of N.N.R., leaf litter on rocky denudation, 23.VIII.2004, leg. A.R.; 5 ##, 4 left side of Selemdzha River opposite Dvadtsatikha cordon, $$, Nora River, Mt. Gryashchinskaya, mosses and leaf litter on mosses and leaf litter in riverside forest under rocky denuda- steep rocky slope with Betula platyphylla , Alnus sp., Sorbus tion: Alnus sp., Salix spp., Abies nephrolepis , Padus sp., Betula sibirica, Swida alba, undergrowth of Acer ukurunduense, Pleuro- platyphylla, B. dahurica, Acer ukurunduense, Corylus mandshuri- zium schreberi , Hylocomium splendens , Dicranum sp., Ptilium ca, Ulmus sp., Matteuccia struthiopteris, Oxalis acetosella, Adoxa crista-castrensis , Sphagnum ?girgensohnii , Dryopteris fragrans, sp., Schisandra chinensis, Trientalis europaea, Liliaceae gen. spp., etc., 25.VIII.2004, leg. A.R.; 1 $, Nora River near Maltsevskiy Saxifraga sp., Dryopteris fragrans, Pleurozium schreberi, Hyloco- cordon, mosses and leaf litter under Salix spp., Alnus sp., Padus mium splendens, etc., 20.VI.2005, leg. E.V. & A.R. sp., Schisandra chinensis with Carex spp., Equisetum sp., Poaceae, DISTRIBUTION. Europe, including the tundra zone; Polygonatum sp. on narrow, partly submerged, spit between Siberia: from the Urals eastward to Chukotka, Cisokhotia, river and lake, 03.IX.2004, leg. A.R.; 1 $, Nora River near Kamchatka, Sakhalin. Through the mountains of South Si- Maltsevskiy cordon, mosses and leaf litter under Alnus sp., beria eastward to Khabarovsk and Maritime provinces. Padus sp., Betula platyphylla, undergrowth of Populus tremula Known from Mongolia and China. with Spiraea spp., Filipendula palmata, Carex spp., Poaceae, Rosa sp., Convallaria keiskei, ferns on natural levee, 29.VIII.2004, leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 0.5–0.7 Maro borealis Eskov, 1991 km NW of Burunda cordon, sedge-gramineous swamp with Sphagnum ?girgensohnii and true mosses around lake, 10.IX.2004, MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy leg. A.R.; 2 $$, N.N.R. (buffer zone), Burunda River basin, 4 km cordon, leaf litter and mosses under Betula platyphylla, Alnus NW of Burunda cordon, mosses and leaf litter on very gentle sp., Larix gmelinii , Populus tremula , Rhododendron sp. with slope with Larix gmelinii , Alnus sp., Ledum palustre, under- Vaccinium vitis-idaea , Maianthemum bifolium , Trientalis euro- growth of Betula platyphylla, Hylocomium splendens, Dicranum paea , Carex ?globularis, Poaceae, sparse Polytrichum commune sp., etc., 08.X.2004, leg. A.R.; 3 ##, 2 $$, Burunda River, 2–3 on flat crest of low bald mount, 14.VIII.2004, leg. A.R.; 1 $, km up-stream of Burunda cordon, shingle-sandy spit: among N.N.R. (buffer zone), Burunda River basin, 1.5 km NW of shingles and in leaf litter under Salix sp. with Poaceae, Burunda cordon, plant debris among tussocks of Carex spp. Dianthus sp., etc., 24.IX.2004, leg. A.R.; 1 #, Nora River near under sparse Alnus sp. with young growth of Larix gmelinii Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., along rill bank near road, 17.IX.2004, leg. A.R.; 2 $$, N.N.R. Padus sp., Salix spp. with ferns, Poaceae, Carex spp. on clayish (buffer zone), Burunda River basin, 1.5 km NW of Burunda slumping bank, 17.VI.2005, leg. E.V. & A.R.; 1 #, 1 $, Nora cordon, plant debris among Carex sp. under sparse Alnus sp. River below Maltsevskiy cordon, leaf litter under Salix spp. and with young growth of Larix gmelinii along rill bank near road, Alnus sp. on narrow, partly submerged, spit between the river 18.IX.2004, leg. A.R.; 2 $$, Nora River basin, 1.5 km up-stream and the lake, 10.VI.2005, leg. E.V. & A.R. of Mt. Gryashchinskaya, mosses and plant debris on open DISTRIBUTION. Amurskaya and Khabarovsk provinces. swamp along lake side: tussocks of Carex spp. and Poaceae with Sphagnum ?girgensohnii , Sph. ?angustifolium , Sph. ?magellani- Maro pansibiricus Tanasevitch, 2006 cum , Sph. squarrosum , Sph. spp., Chamaedaphne calyculata, Vaccinium uliginosum, sparse Ledum palustre, Salix sp., Betula ?fruticosa, etc., 24.VIII.2004, leg. A.R.; 2 $$, near border of MATERIAL. 1 #, 1 $, N.N.R. (buffer zone), Burunda River buffer zone of N.N.R., Burunda River basin, 4 km NW of basin, 1.5–2 km SE of Burunda cordon, mosses and leaf litter Burunda cordon, mosses and plant debris and sweeping on under Betula platyphylla with Ledum palustre , Chamaedaphne large burnt swamp with Vaccinium uliginosum, Ledum palustre, calyculata , Salix sp., Sphagnum spp., Hypnum sp., Poaceae, etc., Eriophorum sp., Betula ovalifolia, B. ?fruticosa, Chamaedaphne 06.X.2004, leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River calyculata, Sphagnum spp., Polytrichum spp., etc., 11.IX.2004, leg. basin, 1 km SE of Burunda cordon, moss and leaf litter among A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin, 4.5 km sedge-gramineous tussocks and under young growth of Betula sp. NW of Burunda cordon, mosses and leaf litter in slope forest on wide open swamp, 04.X.2004, leg. A.R.; 2 # #, near border of under Betula platyphylla , Larix gmelinii with Ledum palustre, buffer zone of N.N.R., Burunda River basin, 4 km NW of Rhododendron sp., Alnus sp., Pleurozium schreberi, Hylocomium Burunda cordon, mosses and plant debris and sweeping on large splendens, etc., 14.IX.2004, leg. A.R.; 1 $, near border of buffer burnt swamp with Vaccinium uliginosum, Ledum palustre, Erio- zone of N.N.R., Burunda River basin, 9 km SE of Burunda phorum sp., Betula ovalifolia, B. ?fruticosa, Chamaedaphne caly- cordon, mosses and leaf litter in sparse growth of burnt Betula culata, Sphagnum spp., Polytrichum spp., etc., 11.IX.2004, leg. A.R.; platyphylla and Larix gmelinii with spots of Alnus sp., dense 1 #, 3 $$, N.N.R. (buffer zone), Burunda River basin, 6 km SE growth of Ledum palustre, Vaccinium uliginosum, V. vitis-idaea of Burunda cordon, mosses and leaf litter on wide swamp with on gentle slope, 20.IX.2004, leg. A.R.; 1 $, Nora River basin hummocks of Sphagnum spp., Vaccinium uliginosum, Ledum palustre, near Meunskiy cordon, mosses and plant debris on flood-plain Carex spp., undergrowth of Betula ?fruticosa, etc., 21.IX.2004, leg. of intermittent rill with Alnus sp., Carex spp., Poaceae, Trienta- A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 2 km SE of lis europaea , Convallaria keiskei , Sphagnum squarrosum , Sph. Burunda cordon, mosses and leaf litter in slope forest with ?girgensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R. Betula platyphylla, sparse Poaceae, Carex sp., Rhododendron sp., DISTRIBUTION. Siberia: from Yenisey River eastward etc., 26.IX.2004, leg. A.R.; 1 $, lower reaches of Chervinka River, in leaf litter and under burnt and wind-fallen trees and alder in to Kolyma River basin, Amurskaya and Khabarovsk prov- riverside forest with Betula platyphylla, B. dahurica, Larix gmeli- inces, Sakhalin. nii, Populus tremula, Poaceae gen. spp., Carex ?globularis, Pyrola dahurica, Trollius sp., Trifolium sp., Thalictrum sp., Lathyrus sp., Maro khabarum Tanasevitch, 2006 ferns, Filipendula palmata, Equisetum sylvaticum, Trientalis euro- paea, Maianthemum bifolium, etc., 04.VII.2005, leg. E.V. & A.R. MATERIAL. 1 $, N.N.R., Burunda River near Ozyornyi Rill DISTRIBUTION. West, Middle and East Siberia (ex- mouth, leaf litter under young trees of Picea ajanensis with cept Chukotka), through the mountains of South Siberia Equisetum pratense, Ribes sp. among Betula platyphylla, Populus eastward to Khabarovsk and Maritime provinces, Sakhalin. Linyphiid spiders of the Norsky Nature Reserve 363

Maro saaristoi Eskov, 1980 left side of Selemdzha River opposite Dvadtsatikha cordon, mosses and leaf litter on high bank of the river: Betula MATERIAL. 1 #, N.N.R. (buffer zone), Burunda River platyphylla, B. dahurica, Larix gmelinii, Pinus sylvestris, Alnus sp., basin near Burunda cordon, plant debris and mosses on Ledum palustre, Rhododendron sp., Vaccinium vitis-idaea, Pyrola swampy sides of flood-plain lake: Carex spp., Poaceae, Spiraea sp., Maianthemum bifolium, Pleurozium schreberi, Ptilium crista- sp., sparse Climacium sp., Hypnum sp., Sphagnum sp., Polytri- castrensis, etc., 05.VIII.2004, leg. A.R.; 1 #, 1 $, near border of chum sp., etc., 09.IX.2004, leg. A.R. buffer zone of N.N.R., Burunda River basin, 4 km NW of DISTRIBUTION. West and Middle Siberia, Cisokhotia; Burunda cordon, mosses and plant debris and sweeping on in the mountains of South Siberia registered from Tuva and large burnt swamp with Vaccinium uliginosum, Ledum palustre, Eriophorum sp., Betula ovalifolia, B. ?fruticosa, Chamaedaphne Sayan; Amurskaya and Khabarovsk provinces. calyculata, Sphagnum spp., Polytrichum spp., etc., 11.IX.2004, leg. A.R.; 2 $$, N.N.R. (buffer zone), Burunda River basin, 4 km Maro sibiricus Eskov, 1980 NW of Burunda cordon, mosses and leaf litter on very gentle slope with Larix gmelinii , Alnus sp., Ledum palustre, under- MATERIAL. 2 $$, N.N.R. (buffer zone), Burunda River growth of Betula platyphylla, Hylocomium splendens, Dicranum basin, 1.5 km NW of Burunda cordon, plant debris among sp., etc., 08.X.2004, leg. A.R.; 1 $, Nora River basin near Carex sp. under sparse Alnus sp. with young growth of Larix Meunskiy cordon, mosses and plant debris among Carex spp., gmelinii along rill bank near road, 18.IX.2004, leg. A.R.; 1 #, 2 Eriophorum spp., Poaceae with Sphagnum spp. along swampy $$, Selemdzhinsky District, Selemdzha River basin, Aldikon road to Dlinnoye Lake, 13.VII.2005, leg. A.R.; 1 #, near border River bank near Norsk, leaf litter under Salix spp. near water, of N.N.R., left side of Selemdzha River opposite Dvadtsatikha 05.IX.2004, leg. A.R.; 2 $$, Burunda River near Ozyornyi Rill cordon, mosses and leaf litter in riverside forest under rocky mouth, mosses and plant debris among sedge-gramineous tus- denudation: Alnus sp., Salix spp., Abies nephrolepis , Padus sp., socks on very gentle slope near intermittent channel: Carex Betula platyphylla , B. dahurica , Acer ukurunduense , Corylus spp., Calamagrostis sp., Polytrichum sp. and other true mosses, mandshurica, Ulmus sp., Matteuccia struthiopteris, Oxalis aceto- Spiraea sp., etc., 28.IX.2004, leg. A.R.; 1 $, Nora River near sella, Adoxa sp., Schisandra chinensis, Trientalis europaea, Lili- Maltsevskiy cordon, mosses and leaf litter under Alnus sp., aceae gen. spp., Saxifraga sp., Dryopteris fragrans , Pleurozium Padus sp., Betula platyphylla, undergrowth of Populus tremula schreberi , Hylocomium splendens, etc., 20.VI.2005, leg. E.V. & with Spiraea spp., Filipendula palmata, Carex spp., Poaceae, Rosa A.R.; 1 $, Mazanovskiy District, right bank of Nora River, sp., Convallaria keiskei, ferns on natural levee, 29.VIII.2004, leg. channel of intermittent rill in fold of Ostraya Mt., mosses and A.R.; 1 $, near border of N.N.R., left side of Selemdzha River leaf litter under Padus sp., Alnus sp., Acer ukurunduense, Betula opposite Dvadtsatikha cordon, fold of small rill, mosses and platyphylla, etc., 23.VII.2005, leg. A.R.; 1 $, Nora River basin leaf litter near rill and on fallen trees and stones in rill near Meunskiy cordon, mosses and plant debris on flood-plain channel, among Alnus sp., Padus sp., Corylus mandshurica, Tilia of intermittent rill with Alnus sp., Carex spp., Poaceae, Trienta- amurensis, Acer ukurunduense, Betula platyphylla, B. dahurica, lis europaea , Convallaria keiskei , Sphagnum squarrosum , Sph. Picea ajanensis , Abies nephrolepis, etc., 28.VI.2005, leg. E.V. & ?girgensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R.; 1 A.R.; 1 $, Selemdzha River basin, 1.5 km NE of Dvadtsatikha $, Nora River basin near Osinovoye Lake, leaf litter in larch cordon, banks and flood-plain of a rill inflowing to lake, forest with motley grass, 27.VII.2005, leg. A.R. mosses and leaf litter under Salix spp., Alnus sp., undergrowth DISTRIBUTION. All over the Holarctic. of Betula platyphylla and Populus tremula , Spiraea spp. with Poaceae, Carex spp., Trollius sp., Filipendula palmata, ferns, Mecynargus monticola (Holm, 1943) Sphagnum spp., Polytrichum spp., Hypnum sp., Plagiomnium sp., etc., 26.VI.2005, leg. E.V. & A.R.; 1 $, Nora River, bank of Sorokavyorstnaya channel, under foot of rocky NE slope of MATERIAL. 1 $, N.N.R., Burunda River near Ozyornyi Rill Maltsevskaya Mt.: leaf litter under Alnus sp., Salix spp., Populus mouth, Plant debris and mosses among tussocks of Carex spp. sp., Padus sp., 12.VI.2005, leg. E.V. & A.R.; 1 $, Mazanovskiy and Poaceae with Spiraea sp., Vicia sp., small true mosses, on District, right bank of Nora River below Ostraya Mt., mosses gently sloping side of small flood-plain lake, 02.X.2004, leg. A.R. and leaf litter under Alnus sp., Padus sp., Spiraea sp. with DISTRIBUTION. Northern Europe; Siberia: from the Matteuccia struthiopteris, Poaceae, Carex spp. on high bank of Urals to Chukotka, Cisokhotia. Through the mountains of river, 23.VII.2005, leg. A.R. South Siberia via the Lake Baikal region eastward to Kha- DISTRIBUTION. European tundra. West, Middle and barovsk Prov. Known from Mongolia. In the Nearctic known East Siberia (except Chukotka), Kamchatka, the Kurile Is- from Canada: British Columbia, Yukon, Northern Territories. lands, Sakhalin. Through the mountains of South Siberia eastward to Khabarovsk and Maritime provinces. Micrargus herbigradus (Blackwall, 1854)

Maso sundevalli (Westring, 1851) MATERIAL. 1 #, 1 $, N.N.R., Nora River basin near Meunskiy cordon, mosses and plant debris at flood-plain of a MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy rill: Alnus sp., Carex spp., Poaceae, Trientalis europaea, Conval- cordon, sparse mosses and leaf litter under Betula platyphylla laria keiskei, Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., and Larix gmelinii with Calamagrostis sp. and Trientalis euro- 18.VIII.2004, leg. A.R.; 1 #, 1 $, Nora River basin near paea in flood-plain forest with hillocks, 13.VIII.2004, leg. A.R.; Meunskiy cordon, mosses and plant debris at flood-plain of a 1 $, Nora River basin near Meunskiy cordon, mosses and plant rill: Alnus sp., Carex spp., Poaceae, Trientalis europaea, Conval- debris among Carex spp. & Poaceae with Comarum palustre, laria keiskei, Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., Sphagnum squarrosum , Sph. spp., Aulacomnium sp. and other 15.VIII.2004, leg. A.R.; 3 ##, 1 $, Nora River basin near true mosses near side of flood-plain lake and swampy road, Meunskiy cordon, mosses and plant debris among Carex spp. & 13.VIII.2004, leg. A.R.; 2 $$, rill (left confluent of Nora River) Poaceae with Comarum palustre , Sphagnum squarrosum , Sph. up-stream of Mt. Gryashchinskaya, true mosses and plant spp., Aulacomnium sp. and other true mosses near side of flood- debris among Carex spp., Poaceae, Alnus sp., Padus sp., Salix sp., plain lake and swampy road, 13.VIII.2004, leg. A.R.; 1 $, etc., 26.VIII.2004, leg. A.R.; 1 $, Nora River near Maltsevskiy Selemdzha River basin, 1.5 km NE of Dvadtsatikha cordon, cordon, mosses and leaf litter under Salix spp., Alnus sp., Padus banks and flood-plain of a rill inflowing to lake, mosses and sp., Schisandra chinensis with Carex spp., Equisetum sp., Poaceae, leaf litter under Salix spp., Alnus sp., undergrowth of Betula Polygonatum sp. on narrow, partly submerged, spit between platyphylla and Populus tremula , Spiraea spp. with Poaceae, river and lake, 03.IX.2004, leg. A.R.; 1 $, near border of N.N.R., Carex spp., Trollius sp., Filipendula palmata, ferns, Sphagnum 364 A.V. Tanasevitch spp., Polytrichum spp., Hypnum sp., Plagiomnium sp., etc., 26.VI.2005, spp., Poaceae, Rosa sp., Convallaria keiskei, ferns on natural leg. E.V. & A.R.; 1 $, Selemdzha River basin near Dvadtsatikha levee, 29.VIII.2004, leg. A.R.; 2 ##, 1 $, Nora River basin near cordon, sweeping on open swamp with Carex spp., Poaceae, Salix Maltsevskiy cordon, leaf litter under Populus tremula , Betula spp., Spiraea spp., Filipendula palmata, Iris sp., Valeriana sp., and platyphylla, Padus sp. with Poaceae, Equisetum sylvaticum, Spi- on afforested swamp with Padus sp., Alnus sp., Betula platyphylla, raea sp., Maianthemum bifolium , Polygonatum sp., ferns near Salix spp., etc., 19.VI.2005, leg. E.V. & A.R.; 1 #, Selemdzha River flood-plain lake, 30.VIII.2004, leg. A.R.; 2 $$, near border of basin, 5–6 km up-stream of Ekimchan, up-stream of Unerikan buffer zone of N.N.R., Burunda River basin, 9 km SE of Rill mouth, 494 m, mosses and leaf litter in riverside forest: Burunda cordon, mosses and leaf litter in sparse growth of under Betula sp. and Larix gmelinii with Poaceae gen. spp., burnt Betula platyphylla and Larix gmelinii with spots of Alnus Polytrichum spp., etc., 06.VIII.2005, leg. A.R. sp., dense growth of Ledum palustre, Vaccinium uliginosum, V. DISTRIBUTION. Widespread in Europe, registered from vitis-idaea on gentle slope, 20.IX.2004, leg. A.R.; 1 #, 2 $$, the Caucasus and the Urals. In Asia known from West and N.N.R. (buffer zone), Burunda River basin, 2 km SE of Burunda Middle Siberia, Kamchatka; through the mountains of South cordon, leaf litter in young dense larch forest with sparse Alnus Siberia eastward to Khabarovsk and Maritime provinces, the sp., Poaceae, Equisetum sp. and under old larch tree on hill, Kurile Islands, Sakhalin; China, Japan. 22.IX.2004, leg. A.R.; 2 $$, N.N.R. (buffer zone), Burunda River basin, 2 km SE of Burunda cordon, mosses and leaf litter in slope forest with Betula platyphylla, sparse Poaceae, Carex sp., Microneta viaria (Blackwall, 1841) Rhododendron sp., etc., 26.IX.2004, leg. A.R.; 1 #, 1 $, Burunda River near Ozyornyi Rill mouth, mosses and litter under large MATERIAL. 1 #, N.N.R., Nora River basin near Meunskiy trees of Picea ajanensis with Pyrola sp., Poaceae, Filipendula cordon, mosses and plant debris in forest at rill valley: Betula palmata, Pleurozium schreberi near river bank, 30.IX.2004, leg. platyphylla, Larix gmelinii, Rhododendron sp., Alnus sp., Ledum A.R.; 1 $, Nora River near Maltsevskiy cordon, mosses and leaf palustre, Vaccinium vitis-idaea, Calamagrostis sp., Maianthemum litter under Padus sp. with Poaceae, Carex spp., Equisetum bifolium, Carex ?globularis, Trientalis europaea, Polytrichum com- sylvaticum, undergrowth of Populus tremula in depression mune, etc., 16.VIII.2004, leg. A.R.; 1 $, Nora River basin near behind natural levee. 15.VI.2005, leg. E.V. & A.R.; 1 $, Nora Meunskiy cordon, sparse mosses and leaf litter under Betula River near Maltsevskiy cordon, leaf litter in birch forest (Betula platyphylla and Larix gmelinii with Calamagrostis sp. and platyphylla) with Calamagrostis sp., Maianthemum bifolium, Trientalis europaea in flood-plain forest with hillocks, Convallaria keiskei , Cypripedium guttatum and in debris of 13.VIII.2004, leg. A.R.; 1 $, right bank of Nora River near rotten birnt stub on natural levee, 09.VI.2005, leg. E.V. & A.R.; Meunskiy cordon, shingles, silt, clay, mosses and leaf litter 1 $, abrupt bank of Nora River near Maltsevskiy cordon, under Salix sp. and Alnus sp., 20.VIII.2004, leg. A.R.; 2 $$, Nora shingles, sand, loam, spots of mosses Marchantiales, Carex spp., River basin near Meunskiy cordon, leaf litter and mosses under Poaceae, Fabaceae leaf litter under Alnus sp. and Padus sp. with Betula platyphylla , Alnus sp., Larix gmelinii , Populus tremula, ferns, 16.VI.2005, leg. E.V. & A.R.; 1 $, near border of N.N.R., Rhododendron sp. with Vaccinium vitis-idaea , Maianthemum left side of Selemdzha River opposite Dvadtsatikha cordon, fold bifolium, Trientalis europaea, Carex ?globularis, Poaceae, sparse of small rill, mosses and leaf litter under Abies nephrolepis and Polytrichum commune on flat crest of low bald mount, Picea ajanensis on slope with Maianthemum bifolium, Trientalis 14.VIII.2004, leg. A.R.; 1 #, Selemdzha River, Burundushka europaea , Equisetum pratense, Eq. sylvaticum , Oxalis acetosella, River mouth, mosses and leaf litter under Tilia amurensis, Alnus Mitella nuda, 28.VI.2005, leg. E.V. & A.R.; 1 $, Nora River near sp., Acer ukurunduense , Betula platyphylla with Rosa sp., Ca- Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., Padus lamagrostis sp., Equisetum sp., Maianthemum bifolium , Thalic- sp., Salix spp. with ferns, Poaceae, Carex spp. on clayish slumping trum sp., Spiraea sp., Oxalis acetosella on natural levee, bank, 17.VI.2005, leg. E.V. & A.R.; 1 $, Nora River basin near 03.VIII.2004, leg. A.R.; 1 #, 2 $$, Nora River near Meun River Osinovoye Lake, leaf litter in larch forest with motley grass, mouth, moss and leaf litter under Picea ajanensis and Betula 27.VII.2005, leg. A.R.; 1 $, Nora River basin near Meunskiy platyphylla with Maianthemum bifolium , Trientalis europaea, cordon, mosses and leaf litter in forest on very gentle slope: Poaceae, Polygonatum sp., ferns on natural levee, 21.VIII.2004, Betula platyphylla , Larix gmelinii , Rhododendron sp., Alnus sp., leg. A.R.; 3 ##, 2 $$, Burunda River near Ozyornyi Rill Ledum palustre, Vaccinium vitis-idaea, V. uliginosum, Calamagros- mouth, mosses and leaf litter under Betula platyphylla è Larix tis sp., Maianthemum bifolium, Carex ?globularis, Trientalis euro- gmelinii in birch forest with larch undergrowth, Ledum palus- paea , Polytrichum commune, etc., 08.VII.2005, leg. A.R.; 2 $$, tre, Vaccinium vitis-idaea, Equisetum pratense, Pleurozium schreberi, Meun River mouth, leaf litter under Betula platyphylla , Abies Hylocomium splendens on hill near river bank, 29.IX.2004, leg. nephrolepis , Picea ajanensis , Populus tremula with Poaceae gen. A.R.; 1 #, Nora River basin near Maltsevskiy cordon, in rotten spp., Carex spp., Fabaceae gen. spp., Filipendula palmata, Equise- wood and under bark of aspen and birch stumps, 01.IX.2004, tum sylvaticum, Rosa sp. on natural levee, 09.VII.2005, leg. A.R. leg. A.R.; 2 ##, 1 $, Nora River basin near Maltsevskiy cordon, DISTRIBUTION. All over the Holarctic. in leaf litter under Betula platyphylla and Populus tremula with Maianthemum bifolium , Convallaria keiskei , Equisetum sylvati- cum, etc., 01.IX.2004, leg. A.R.; 1 #, Nora River near Malt- Mughiphantes aculifer (Tanasevitch, 1988) sevskiy cordon, mosses and leaf litter under Salix spp., Alnus sp., Padus sp., Schisandra chinensis with Carex spp., Equisetum sp., MATERIAL. 1 $, N.N.R., Selemdzha River basin, 51 km Poaceae, Polygonatum sp. on narrow, partly submerged, spit below Ekimchan, near Angelokit Rill, 405–410 m, mosses and between river and lake, 02.IX.2004, leg. A.R.; 1 #, 1 $, leaf litter on steep rocky burnt slope above rill: Picea ajanensis, Selemdzha River basin, 2 km up-stream of Norsk, mosses and Abies nephrolepis , Hylocomium splendens , Pleurozium schreberi, plant debris among Carex spp., Poaceae, Filipendula palmata, Sphagnum spp., etc., 06.VIII.2005, leg. A.R. Spiraea sp., Salix sp., Padus sp. on swampy side of small DISTRIBUTION. East Siberia, Cisokhotia; Amurskaya, drainage lake (dammed rill), 06.IX.2004, leg. A.R.; 2 $$, near Khabarovsk and Maritime provinces. border of N.N.R., left side of Selemdzha River opposite Dvadt- satikha cordon, mosses and leaf litter on high bank of the river: Betula platyphylla , B. davurica , Larix gmelinii , Pinus Nenilinium asiaticum Eskov, 1988 sylvestris, Alnus sp., Ledum palustre, Rhododendron sp., Vaccini- um vitis-idaea , Pyrola sp., Maianthemum bifolium , Pleurozium MATERIAL. 1 #, N.N.R., Nora River basin near Meunskiy schreberi, Ptilium crista-castrensis, etc., 05.VIII.2004, leg. A.R.; 1 cordon, mosses and leaf litter under Betula platyphylla, Alnus #, Nora River near Maltsevskiy cordon, mosses and leaf litter sp., Populus tremula, Larix gmelinii, Pinus sylvestris, Rhododen- under Alnus sp., Padus sp., Betula platyphylla, undergrowth of dron sp. with Ledum palustre, Poaceae, Carex ?globularis, Vac- Populus tremula with Spiraea spp., Filipendula palmata, Carex cinium vitis-idaea , Maianthemum bifolium on slope of bald Linyphiid spiders of the Norsky Nature Reserve 365 mount, 15.VIII.2004, leg. A.R.; 1 $, Nora River basin near Maltsevskiy cordon, on Poaceae, Carex spp., Chamaenerion Meunskiy cordon, leaf litter and mosses under Betula platy- angustifolium , Thalictrum sp., ferns, Fabaceae gen. spp., etc., phylla, Alnus sp., Larix gmelinii, Populus tremula, Rhododendron 16.VI.2005, leg. E.V. & A.R.; 1 $, Selemdzha River basin near sp. with Vaccinium vitis-idaea, Maianthemum bifolium, Trientalis Dvadtsatikha cordon, sweeping on open swamp with Carex europaea , Carex ?globularis, Poaceae, sparse Polytrichum com- spp., Poaceae, Salix spp., Spiraea spp., Filipendula palmata, Iris mune on flat crest of low bald mount, 14.VIII.2004, leg. A.R.; sp., Valeriana sp., etc., 19.VI.2005, leg. E.V. & A.R. 20ex(ZMMU), N.N.R. (buffer zone), Burunda River basin, 2.5 DISTRIBUTION. All over the Holarctic. km SE of Burunda cordon, leaf litter under Larix gmelinii and Betula platyphylla with Ledum palustre , Rhododendron sp., Oinia clava (Zhu et Wen, 1980) Vaccinium vitis-idaea, Equisetum sylvaticum in burnt forest on gentle slope, 23.IX.2004, leg. A.R.; 40 ## & $$, Burunda River near Ozyornyi Rill mouth, mosses and leaf litter under Betula MATERIAL. 1 #, N.N.R., Nora River basin near Malt- platyphylla è Larix gmelinii in birch forest with larch under- sevskiy cordon, Maltsevskoye Lake, mosses and leaf litter among growth, Ledum palustre, Vaccinium vitis-idaea, Equisetum prat- sedge and gramineous tussocks with Spiraea spp., Salix sp., ense, Pleurozium schreberi, Hylocomium splendens on hill near Filipendula palmata, Iris sp., Anemonidium dichotomum, Maian- river bank, 29.IX.2004, leg. A.R.; 1 #, Nora River near Malt- themum bifolium , Polytrichum spp., Hypnum sp., Sphagnum sevskiy cordon, mosses and leaf litter under Alnus sp., Padus sp., squarrosum , Sph. sp., Plagiomnium sp., undergrowth of Betula Betula platyphylla, undergrowth of Populus tremula with Spi- sp., etc., and also leaf litter among tussocks in young birch raea spp., Filipendula palmata , Carex spp., Poaceae, Rosa sp., forest with Alnus sp., Spiraea spp., Filipendula palmata, Carex Convallaria keiskei, ferns on natural levee, 29.VIII.2004, leg. spp., Poaceae, etc., 14.VI.2005, leg. E.V. & A.R. A.R.; 2 ##, N.N.R. (buffer zone), Burunda River basin, 1 km DISTRIBUTION. Amurskaya, Khabarovsk and Mari- NW of Burunda cordon, mosses and leaf litter in swampy time provinces, Sakhalin. China, Korea. forest with tussocks and old stumps on very gentle slope near rill bank: Larix gmelinii, Alnus sp., Betula platyphylla, Calama- Oreonetides helsdingeni Eskov, 1984 grostis sp., Carex sp., Rubus arcticus, Convallaria keiskei, Sphag- num squarrosum , Sph. ?girgensohnii , Sph. sp., Ptilium crista- castrensis, Hylocomium splendens, Dicranum sp., etc., 12.IX.2004, MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 4.5 cordon, sparse mosses and leaf litter under Betula platyphylla km NW of Burunda cordon, mosses and leaf litter in slope and Larix gmelinii with Calamagrostis sp. and Trientalis euro- forest under Betula platyphylla , Larix gmelinii with Ledum paea in flood-plain forest with hillocks, 13.VIII.2004, leg. A.R.; palustre , Rhododendron sp., Alnus sp., Pleurozium schreberi, 1 #, Nora River, Mt. Gryashchinskaya, mosses and leaf litter Hylocomium splendens, etc., 14.IX.2004, leg. A.R.; 30 ## & $$, on steep rocky slope with Betula platyphylla, Alnus sp., Sorbus near border of buffer zone of N.N.R., Burunda River basin, 9 sibirica, Swida alba, undergrowth of Acer ukurunduense, Pleuro- km SE of Burunda cordon, mosses and leaf litter in sparse zium schreberi , Hylocomium splendens , Dicranum sp., Ptilium growth of burnt Betula platyphylla and Larix gmelinii with crista-castrensis , Sphagnum ?girgensohnii , Dryopteris fragrans, spots of Alnus sp., dense growth of Ledum palustre, Vaccinium etc., 25.VIII.2004, leg. A.R. uliginosum, V. vitis-idaea on gentle slope, 20.IX.2004, leg. A.R.; DISTRIBUTION. Siberia from Yenisey River to Koly- 30 ## & $$, N.N.R. (buffer zone), Burunda River basin, 2 km ma River basin, Sakhalin. South Siberia: Sayan, Lake Baikal SE of Burunda cordon, leaf litter in young dense larch forest region; Amurskaya and Khabarovsk provinces. with sparse Alnus sp., Poaceae, Equisetum sp. and under old larch tree on hill, 22.IX.2004, leg. A.R.; 4 ##, 3 $$, N.N.R. Paraglyphesis lasiargoides Eskov, 1991 (buffer zone), Burunda River basin, 2 km SE of Burunda cordon, mosses and leaf litter in slope forest with Betula platyphylla, sparse Poaceae, Carex sp., Rhododendron sp., etc., MATERIAL. 2 ##, 1 $, N.N.R., Burunda River near 26.IX.2004, leg. A.R.; 8 ##, Burunda River basin, Korolikha Ozyornyi Rill mouth, Plant debris and mosses among tussocks Mt., steep rocky slope: mosses and leaf litter under Betula of Carex spp. and Poaceae with Spiraea sp., Vicia sp., small true platyphylla è Larix gmelinii c Rhododendron sp., Hylocomium mosses on gently sloping side of small flood-plain lake, 02.X.2004, splendens, Pleurozium schreberi, etc., 03.X.2004, leg. A.R. leg. A.R. DISTRIBUTION. Middle and East Siberia; through the DISTRIBUTION. Siberia: Yamal Peninsula, Middle and mountains of South Siberia via the Lake Baikal region east- East Siberia; Amurskaya and Khabarovsk provinces. ward to Khabarovsk Prov., Sakhalin. Parawubanoides unicornis (O. Pickard-Cambridge, Neriene clathrata (Sundevall, 1830) 1873)

MATERIAL. 1 #, 1 $, N.N.R. (buffer zone), Burunda River MATERIAL. 1 $, N.N.R. (buffer zone), Burunda River basin, 1.5 km NW of Burunda cordon, plant debris among basin, 1.5–2 km SE of Burunda cordon, mosses and leaf litter tussocks of Carex spp. under sparse Alnus sp. with young under Betula platyphylla with Ledum palustre, Chamaedaphne growth of Larix gmelinii along rill bank near road, 17.IX.2004, calyculata, Salix sp., Sphagnum spp., Hypnum sp., Poaceae, etc., leg. A.R. 06.X.2004, leg. A.R.; 1 #, 1 $, Mazanovskiy District, right bank DISTRIBUTION. Throughout the Holarctic. of Nora River, NE slope of Zmeinaya Mt., mosses and leaf litter in fold, 17.VII.2005, leg. A.R.; 1 #, 1 $, Selemdzha River basin near Dvadtsatikha cordon, leaf litter and mosses in sparse Neriene radiata (Walckenaer, 1841) forest with Betula dahurica , Larix gmelinii, undergrowth of Corylus mandshurica and Tilia amurensis, motley grass, Polytri- MATERIAL. 1 #, 1 $, N.N.R., abrupt bank of Nora River chum sp. and under bark of dead Betula dahurica, 27.VI.2005, near Maltsevskiy cordon, shingles, sand, loam, spots of mosses leg. E.V. & A.R.; 2 $$, lower reaches of Chervinka River, in leaf Marchantiales , Carex spp., Poaceae, Fabaceae, etc., leaf litter litter and under burnt and wind-fallen trees and alder in under Alnus sp. and Padus sp. with ferns, etc., 16.VI.2005, leg. riverside forest with Betula platyphylla , B. dahurica , Larix E.V. & A.R.; 1 $, near border of N.N.R., island on Selemdzha gmelinii, Populus tremula, Poaceae gen. spp., Carex ?globularis, River near Dvadtsatikha cordon, banks of the river and old Pyrola dahurica, Trollius sp., Trifolium sp., Thalictrum sp., Lathyrus channel: shingles, clay, silt, sand, organic drift, 21.VI.2005, leg. sp., ferns, Filipendula palmata, Equisetum sylvaticum, Trientalis E.V. & A.R.; 1 #, 1 $, abrupt bank of Nora River near europaea, Maianthemum bifolium, etc., 04.VII.2005, leg. E.V. & 366 A.V. Tanasevitch

A.R.; 4 $$, Meun River mouth, leaf litter under Betula platy- Salix spp., Alnus sp., Padus sp., Schisandra chinensis with Carex phylla, Abies nephrolepis, Picea ajanensis, Populus tremula with spp., Equisetum sp., Poaceae, Polygonatum sp. on narrow, partly Poaceae gen. spp., Carex spp., Fabaceae gen. spp., Filipendula submerged, spit between river and lake, 03.IX.2004, leg. A.R. palmata , Equisetum sylvaticum , Rosa sp. on natural levee, DISTRIBUTION. East Siberia, Cisokhotia; South Sibe- 09.VII.2005, leg. A.R. ria: Lake Baikal region; Amurskaya, Khabarovsk and Mari- DISTRIBUTION. East Siberia, Cisokhotia, Kamchatka, time provinces. Sakhalin. South Siberia: Tuva, Sayan, Lake Baikal region. Known from Mongolia. Porrhomma pygmaeum (Blackwall, 1834)

Perlongipalpus mannilai Eskov et Marusik, 1991 MATERIAL. 1 #, Amurskaya Area, Selemdzhinsky District, Nora River, bank of Sorokavyorstnaya channel, under foot of MATERIAL. 3 ##, 1 $, N.N.R., Nora River near Meun rocky NE slope of Maltsevskaya Mt.: leaf litter under Alnus sp., River mouth, moss and leaf litter under Picea ajanensis and Salix spp., Populus sp., Padus sp. 12.VI.2005, leg. E.V. & A.R. Betula platyphylla with Maianthemum bifolium, Trientalis euro- DISTRIBUTION. Throughout the Palaearctic. paea, Poaceae, Polygonatum sp., ferns on natural levee, 21.VIII.2004, leg. A.R.; 2 ##, 1 $, Mazanovskiy District, right Pseudowubana wagae (O. Pickard-Cambridge, bank of Nora River, steep NE slopes of Ostraya Mt., mosses and leaf litter among Populus spp., Larix gmelinii, Betula platyphylla, 1873) Alnus spp., Padus sp., Rhododendron sp., ?Sedum sp., Saxifraga sp., Equisetum sp., ferns, etc., 20.VII.2005, leg. A.R. MATERIAL. 3 $$, N.N.R., Nora River basin near Malt- DISTRIBUTION. East Siberia, Amurskaya Prov. sevskiy cordon, mosses and plant debris on swamp near south- ern side of flood-plain lake: Carex spp., Poacea, Salix sp., Filipendula palmata, Comarum palustre, Sphagnum squarrosum, Perlongipalpus pinipumilis Eskov et Marusik, 1991 Sph. spp., Polytrichum sp., Climacium sp., etc., 30.VIII.2004, leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 0.5 km MATERIAL. 1 #, 3 $$, N.N.R. (buffer zone), Burunda NW of Burunda cordon, moss and plant debris at edge of River basin, 2 km SE of Burunda cordon, leaf litter in young swamp: tussocks of Poaceae with Carex sp., young growth of dense larch forest with sparse Alnus sp., Poaceae, Equisetum sp. Betula sp., Salix sp., Spiraea sp., and small true mosses, 07.X.2004, and under old larch tree on hill, 22.IX.2004, leg. A.R. leg. A.R.; 4 # #, N.N.R. (buffer zone), Burunda River basin, 1.5 DISTRIBUTION. East Siberia, Cisokhotia; South Sibe- km NW of Burunda cordon, plant debris among tussocks of ria: Lake Baikal region, Amurskaya Prov. Known also from Carex spp. under sparse Alnus sp. with young growth of Larix Mongolia. gmelinii along rill bank near road, 17.IX.2004, leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 1 km SE of Burunda cordon, moss and leaf litter among sedge-gramineous tussocks Perregrinus deformis (Tanasevitch, 1982) and under young growth of Betula sp. on wide open swamp, 04.X.2004, leg. A.R.; 4 $$, Burunda River near Ozyornyi Rill MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy mouth, Plant debris and mosses among tussocks of Carex spp. cordon, mosses and plant debris at flood-plain of a rill: Alnus and Poaceae with Spiraea sp., Vicia sp., Plagiomnium sp. on open sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, flood-plain depression with tracks of Capreolus capreolus, Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 18.VIII.2004, 01.X.2004, leg. A.R.; 2 ##, 1 $, N.N.R. (buffer zone), Burunda leg. A.R.; 2 $$, Nora River basin near Meunskiy cordon, mosses River basin, 1.5–2 km NW of Burunda cordon, mosses and and plant debris among Carex spp. & Poaceae with Comarum plant debris on swamp near Kamyshovoye Lake: Sphagnum spp., palustre, Sphagnum squarrosum, Sph. spp., Aulacomnium sp. and Hypnum sp., dense growth of Chamaedaphne calyculata, Men- other true mosses near side of flood-plain lake and swampy yanthes trifoliata , Comarum palustre, Eriophorum sp., separate road, 13.VIII.2004, leg. A.R.; 1 $, Nora River basin near tussocks of Carex sp., sparse Poaceae, etc., 13.IX.2004, leg. A.R.; 1 Meunskiy cordon, mosses and plant debris on flood-plain of #, Selemdzha River basin, flood-plain of Aldikon River near intermittent rill with Alnus sp., Carex spp., Poaceae, Trientalis Norsk, mosses and leaf litter under Salix sp. and along the edge europaea, Convallaria keiskei, Sphagnum squarrosum, Sph. ?gir- of open sedge-gramineous tussock swamp, 05.IX.2004, leg. A.R.; gensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R. 3 $$, N.N.R. (buffer zone), Burunda River basin near Burunda DISTRIBUTION. European tundra; from the Urals east- cordon, plant debris and mosses on swampy sides of flood- ward to Kolyma River basin. Through the mountains of plain lake: Carex spp., Poaceae, Spiraea sp., sparse Climacium sp., South Siberia via the Lake Baikal region eastward to Kha- Hypnum sp., Sphagnum sp., Polytrichum sp., etc., 09.IX.2004, leg. barovsk Prov. Known also from Mongolia and China. The A.R.; 2 ##, 3 $$, N.N.R. (buffer zone), Burunda River basin, 0.5–0.7 km NW of Burunda cordon, sedge-gramineous swamp Nearctic: from Yukon eastward to Quebec. with Sphagnum ?girgensohnii and true mosses around lake, 10.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. (buffer zone), Burunda Poeciloneta variegata (Blackwall, 1841) River basin, 2.5 km SE of Burunda cordon, small true mosses and plant debris among Carex spp. on sand, small shingles and MATERIAL. 1 #, N.N.R., Nora River basin near Malt- clay along dried ephemeral stream near border of complex sevskiy cordon, in rotten wood and under bark of aspen and swamp, 21.IX.2004, leg. A.R.; 4 ##, N.N.R. (buffer zone), birch stumps, 01.IX.2004, leg. A.R. Burunda River basin, 2.5 km SE of Burunda cordon, mosses and DISTRIBUTION. Through Palaearctic, West Nearctic. plant debris on large burnt swamp with Vaccinium uliginosum, Ledum palustre, Chamaedaphne calyculata, Eriophorum sp., Car- ex sp., Poaceae, Betula ovalifolia , Sphagnum squarrosum , Sph. Porrhomma longjiangense Zhu et Wang, 1983 spp., Polytrichum sp., Hypnum sp., small true mosses, etc., 23.IX.2004, leg. A.R.; 3 $$, Burunda River basin, Korolikha Mt., MATERIAL. 1 #, 5 $$, near border of N.N.R., island on steep rocky slope: mosses and leaf litter under Betula platyphyl- Selemdzha River near Dvadtsatikha cordon, leaf litter, moss la è Larix gmelinii c Rhododendron sp., Hylocomium splendens, and drift in the heart of the island: among Salix spp., Populus Pleurozium schreberi, etc., 03.X.2004, leg. A.R. sp., Picea ajanensis, Abies nephrolepis, Alnus sp., Larix gmelinii DISTRIBUTION. Middle and East Siberia, Cisokhotia, with Poaceae, Carex sp., etc., 06.VIII.2004, leg. A.R.; 1 $, Nora Sakhalin; South Siberia: Sayan. Recorded also from Mon- River near Maltsevskiy cordon, mosses and leaf litter under golia. Linyphiid spiders of the Norsky Nature Reserve 367

Savignia badzhalensis Eskov, 1991 below Maltsevskiy cordon, leaf litter under Salix spp. and Alnus sp. on narrow, partly submerged, spit between the river and the MATERIAL. 3 ##, 1 $, Amurskaya Area, Selemdzhinsky lake, 10.VI.2005, leg. E.V. & A.R. District, Selemdzha River basin, 51 km below Ekimchan, near DISTRIBUTION. East Siberia, Cisokhotia; Amurskaya, Angelokit Rill, 405–410 m, mosses and leaf litter on steep Khabarovsk and Maritime provinces. rocky burnt slope above rill: Picea ajanensis, Abies nephrolepis, Hylocomium splendens , Pleurozium schreberi , Sphagnum spp., Scotinotylus amurensis Eskov et Marusik, 1994 etc., 06.VIII.2005, leg. A.R. DISTRIBUTION. Amurskaya and Khabarovsk provinces. MATERIAL. 1 #, 4 $$, near border of buffer zone of N.N.R., Burunda River basin, near Meunchik River, 500–700 Savignia basarukini Eskov, 1988 m up-stream of mouth, in rotten wood of fallen larch trunk, 16.IX.2004, leg. A.R. MATERIAL. 2 ##, 4 $$, Amurskaya Area, Selemdzhinsky DISTRIBUTION. Amurskaya, Khabarovsk and Mari- District, Selemdzha River basin, Aldikon River bank near Norsk, time provinces. leaf litter under Salix spp. near water. 05.IX.2004, leg. A.R. DISTRIBUTION. Amurskaya and Khabarovsk provin- Scotinotylus kimjoopili Eskov et Marusik, 1994 ces, Sakhalin. MATERIAL. 1 #, N.N.R., Nora River, 0.5 km up-stream of Savignia bureensis Tanasevitch et Trilikauskas, Mt. Gryashchinskaya, mosses and leaf litter under Betula 2006 platyphylla and Larix gmelinii with Calamagrostis sp., Equise- tum sylvaticum, E. pratense, Maianthemum bifolium, Polygona- MATERIAL. 1 #, 1 $, near border of N.N.R., left side of tum sp. in burnt forest along river bank, 27.VIII.2004, leg. Selemdzha River opposite Dvadtsatikha cordon, mosses, leaf A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 6 km SE litter and plant debris on and under rocky denudation: Alnus of Burunda cordon, mosses and leaf litter on wide swamp sp., Salix spp., Picea ajanensis, Abies nephrolepis, Tilia amurensis, with hummocks of Sphagnum spp., Vaccinium uliginosum, Betula platyphylla, B. dahurica, Populus tremula, Oxalis acetosel- Ledum palustre, Carex spp., undergrowth of Betula ?fruticosa, la , Dryopteris fragrans , Matteuccia struthiopteris , Pleurozium etc., 21.IX.2004, leg. A.R. schreberi, Hylocomium splendens, etc., 05.VIII.2004, leg. A.R.; 3 DISTRIBUTION. Amurskaya, Khabarovsk and Mari- ##, 6 $$, N.N.R. (buffer zone), Burunda River basin, 1.5–2 time provinces, Sakhalin. km SE of Burunda cordon, mosses and leaf litter under Betula platyphylla with Ledum palustre , Chamaedaphne calyculata, Scotinotylus levii Marusik, 1988 Salix sp., Sphagnum spp., Hypnum sp., Poaceae, etc., 06.X.2004, leg. A.R.; 1 #, Nora River near Maltsevskiy cordon, mosses and leaf litter under Salix spp., Alnus sp., Padus sp., Schisandra MATERIAL. 1 #, 3 $$, N.N.R., right bank of Nora River, chinensis with Carex spp., Equisetum sp., Poaceae, Polygonatum Ostraya Mt., mosses and leaf litter on rocky denudation, sp. on narrow, partly submerged, spit between river and lake, 23.VIII.2004, leg. A.R.; 2 ##, 5 $$, Nora River, Mt. Gryash- 03.IX.2004, leg. A.R.; 2 ##, near border of buffer zone of chinskaya, mosses and leaf litter on steep rocky slope with N.N.R., Burunda River basin, 9 km SE of Burunda cordon, Betula platyphylla, Alnus sp., Sorbus sibirica, Swida alba, under- mosses and leaf litter in sparse growth of burnt Betula platy- growth of Acer ukurunduense, Pleurozium schreberi, Hylocomi- phylla and Larix gmelinii with spots of Alnus sp., dense growth um splendens, Dicranum sp., Ptilium crista-castrensis, Sphagnum of Ledum palustre , Vaccinium uliginosum , V. vitis-idaea on ?girgensohnii, Dryopteris fragrans, etc., 25.VIII.2004, leg. A.R.; 3 gentle slope, 20.IX.2004, leg. A.R. $$, Burunda River basin, Korolikha Mt., steep rocky slope: DISTRIBUTION. Amurskaya and Khabarovsk provinces. mosses and leaf litter under Betula platyphylla è Larix gmelinii c Rhododendron sp., Hylocomium splendens, Pleurozium schreberi, etc., 03.X.2004, leg. A.R.; 1 $, Meun River mouth, steep slope of Savignia ussurica Eskov, 1988 Ust’-Meunskaya Mt., mosses and leaf litter on rocks and at their foot: ferns, Acer ukurunduense, Padus sp., etc., 14.VII.2005, MATERIAL. 1 #, N.N.R. (buffer zone), Burunda River leg. A.R. basin, 1 km NW of Burunda cordon, mosses and leaf litter in DISTRIBUTION. Cisokhotia, Sakhalin; Amurskaya and Alnus forest with Poaceae, Rubus idaeus, R. arcticus, R. humilifo- Khabarovsk provinces. lius, Urtica sp., sparse Carex sp. and Trientalis europaea near rill, 17.IX.2004, leg. A.R. DISTRIBUTION. Amurskaya, Khabarovsk and Mari- Semljicola lapponicus (Holm, 1939) time provinces. MATERIAL. 3 ##, N.N.R., Burunda River near Ozyornyi Rill mouth, mosses and plant debris among sedge-gramineous Savignia zero Eskov, 1988 tussocks on very gentle slope near intermittent channel: Carex spp., Calamagrostis sp., Polytrichum sp. and other true mosses, MATERIAL. 3 ##, 2 $$, N.N.R., Burunda River near Spiraea sp., etc., 27.IX.2004, leg. A.R.; 1 #, 1 $, Nora River Ozyornyi Rill mouth, Plant debris and mosses among tussocks basin, 2 km up-stream of Mt. Gryashchinskaya, mosses and of Carex spp. and Poaceae with Spiraea sp., Vicia sp., Plagiomni- plant debris on small open swamp on high flood-plain: tus- um sp. on open flood-plain depression with tracks of Capreolus socks of Calamagrostis sp. and Carex spp. with Sphagnum capreolus, 01.X.2004, leg. A.R.; 1 #, N.N.R. (buffer zone), ?girgensohnii , Sph. squarrosum , Sph. centrale , Sph. spp., Rubus Burunda River basin near Burunda cordon, plant debris and arcticus, Convallaria keiskei, Salix sp., etc., 22.VIII.2004, leg. A.R.; mosses on swampy sides of flood-plain lake: Carex spp., Poace- 1 #, Nora River basin near Meun River mouth, small swamp ae, Spiraea sp., sparse Climacium sp., Hypnum sp., Sphagnum sp., with Carex spp., Poaceae & Sphagnum squarrosum, 20.VIII.2004, Polytrichum sp., etc., 09.IX.2004, leg. A.R.; 1 #, 3 $$, Meun leg. A.R.; 1 $, Meun River mouth, plant debris among Carex River mouth, mosses, leaf litter and plant debris on swamp spp. & Equisetum sp. and leaf litter under Salix spp. & Alnus sp. between natural levee and steep slope of bald mountain: on low bank of creek, 21.VIII.2004, leg. A.R.; 6 ##, 7 $$, Spiraea spp., Alnus sp., Padus sp., Salix spp., Carex spp., Filipen- N.N.R. (buffer zone), Burunda River basin near Burunda dula palmata, etc., 09.VII.2005, leg. A.R.; 1 #, 2 $$, Nora River cordon, plant debris and mosses on swampy sides of flood- 368 A.V. Tanasevitch plain lake: Carex spp., Poaceae, Spiraea sp., sparse Climacium sp., Tapinocyba kolymensis Eskov, 1989 Hypnum sp., Sphagnum sp., Polytrichum sp., etc., 09.IX.2004, leg. A.R.; 1 $, Burunda River near Ozyornyi Rill mouth, Plant MATERIAL. 1 $, Amurskaya Area, Selemdzhinsky District, debris and mosses among tussocks of Carex spp. and Poaceae Burunda River, 2–3 km up-stream of Burunda cordon, shingle- with Spiraea sp., Vicia sp., small true mosses on gently sloping sandy spit: among shingles and in leaf litter under Salix sp. side of small flood-plain lake, 02.X.2004, leg. A.R. with Poaceae, Dianthus sp., etc., 24.IX.2004, leg. A.R. DISTRIBUTION. Northern Europe; West, Middle and DISTRIBUTION. East Siberia, Chukotka, Cisokhotia, East Siberia, Cisokhotia, Khabarovsk Prov. Amurskaya, Khabarovsk and Maritime provinces, Sakhalin. Known also from China. Silometopoides koponeni (Eskov et Marusik, 1994) Theoneta aterrima (Eskov et Marusik, 1991) MATERIAL. 1 #, N.N.R., right bank of Meun River near mouth, mosses and litter in spruce forest with Maianthemum MATERIAL. 1 $, Amurskaya Area, Mazanovskiy District, bifolium , Trientalis europaea , Equisetum pratense , Hylocomium right bank of Nora River below Ostraya Mt., mosses and leaf splendens, Pleurozium schreberi, etc., 18.VIII.2004, leg. A.R.; 1 $, litter under Alnus sp., Padus sp., Spiraea sp. with Matteuccia Nora River below Maltsevskiy cordon, leaf litter under Salix struthiopteris, Poaceae, Carex spp. on high bank of river, spp. and Alnus sp. on narrow, partly submerged, spit between 23.VII.2005, leg. A.R.; 1 #, Selemdzha River basin, 51 km the river and the lake, 10.VI.2005, leg. E.V. & A.R. below Ekimchan, near Angelokit Rill, 405–410 m, mosses and DISTRIBUTION. East Siberia, Amurskaya Area. leaf litter on steep rocky burnt slope above rill: Picea ajanensis, Abies nephrolepis , Hylocomium splendens , Pleurozium schreberi, Silometopoides pampia (Chamberlin, 1948) Sphagnum spp., etc., 06.VIII.2005, leg. A.R. DISTRIBUTION. Amurskaya and Khabarovsk provinces. MATERIAL. 1 #, N.N.R., Burunda River near Ozyornyi Rill mouth, mosses and plant debris among sedge-gramineous Thyreosthenius parasiticus (Westring, 1851) tussocks on very gentle slope near intermittent channel: Carex spp., Calamagrostis sp., Polytrichum sp. and other true mosses, MATERIAL. 1 $, N.N.R., Nora River basin near Maltsevskiy Spiraea sp., etc., 27.IX.2004, leg. A.R.; 1 $, Selemdzha River cordon, in rotten wood and under bark of aspen and birch basin, flood-plain of Aldikon River near Norsk, mosses and stumps, 01.IX.2004, leg. A.R.; 1 $, Selemdzha River basin, 3–4 leaf litter under Salix sp. and along the edge of open sedge- km up-stream of Norsk, in leaf litter and in sweeping on gramineous tussock swamp, 05.IX.2004, leg. A.R. motley grass in forest with Betula davurica and B. platyphylla, DISTRIBUTION. East Siberia, Chukotka, Amurskaya 07.IX.2004, leg. A.R. Area; known from Mongolia. In the Nearctic: British Co- DISTRIBUTION. Europe, the Caucasus; in Siberia lumbia, Saskatchewan, Yukon, Northern Territories. known from the Urals eastward to Kamchatka, the Kurile Islands, Sakhalin; Altai Mts. (South Siberia), Amurskaya Silometopoides sphagnicolus Eskov et Marusik, Area. Known also in Mongolia. Widespread in the Nearctic. 1992 Tibioploides arcuatus (Tullgren, 1955) MATERIAL. 1 $, N.N.R., Nora River basin, 2 km up-stream of Mt. Gryashchinskaya, mosses and plant debris on small open MATERIAL. 2 $$, N.N.R., Nora River basin near Meun- swamp on high flood-plain: tussocks of Calamagrostis sp. and skiy cordon, mosses and plant debris at flood-plain of a rill: Carex spp. with Sphagnum ?girgensohnii, Sph. squarrosum, Sph. Alnus sp., Carex spp., Poaceae, Trientalis europaea, Convallaria centrale, Sph. spp., Rubus arcticus, Convallaria keiskei, Salix sp., keiskei , Sphagnum squarrosum , Sph. spp., Hypnum sp., etc., etc., 22.VIII.2004, leg. A.R. 18.VIII.2004, leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda DISTRIBUTION. Yamal Peninsula, Middle and West River basin, 2.5 km SE of Burunda cordon, small true mosses Siberia, Kamchatka; through the mountains of South Siberia and plant debris among Carex spp. on sand, small shingles via the Lake Baikal region eastward to Khabarovsk Prov. and clay along dried ephemeral stream near border of com- plex swamp, 21.IX.2004, leg. A.R.; 4 $$, lower reaches of Stemonyphantes sibiricus (Grube, 1861) Chervinka River, mosses, ferns, leaf litter, plant debris on banks of river and intermittent rill with tussocks of Carex spp., Poaceae, Spiraea spp., Salix spp., Betula ?fruticosa, under- MATERIAL. 1 $, N.N.R. (buffer zone), Burunda River growth of Betula platyphylla, etc., 30.VI.2005, leg. E.V. & A.R.; basin, 1 km SE of Burunda cordon, moss and leaf litter among 1 $, Selemdzha River basin, 1.5 km NE of Dvadtsatikha sedge-gramineous tussocks and under young growth of Betula cordon, banks and flood-plain of a rill inflowing to lake, sp. on wide open swamp, 04.X.2004, leg. A.R. mosses and leaf litter under Salix spp., Alnus sp., undergrowth DISTRIBUTION. West, Middle and East Siberia, of Betula platyphylla and Populus tremula, Spiraea spp. with Chukotka, Cisokhotia, Kamchatka, the Kurile Islands and Poaceae, Carex spp., Trollius sp., Filipendula palmata, ferns, Sakhalin; through the mountains of South Siberia via the Sphagnum spp., Polytrichum spp., Hypnum sp., Plagiomnium sp., Lake Baikal region eastward to Khabarovsk and Maritime etc., 26.VI.2005, leg. E.V. & A.R.; 1 #, 3 $$, Nora River basin provinces. Known also from Mongolia. near Meunskiy cordon, mosses and plant debris on flood- plain of intermittent rill with Alnus sp., Carex spp., Poaceae, Tanasevitchia uralensis (Tanasevitch, 1983) Trientalis europaea, Convallaria keiskei, Sphagnum squarrosum, Sph. ?girgensohnii, Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R.; 1 $, lower reaches of Chervinka River, mosses, plant MATERIAL. 4 ##, 5 $$, Amurskaya Area, Selemdzhinsky debris, leaf litter on wide swamp with tussocks of Carex spp. District, right side of Selemdzha River between Ekimchan and and Poaceae gen. spp. with Salix spp., Alnus sp., Betula mouth of Ogodzha River, Sypuchaya Mt., mosses, lichens and fruticosa, Ledum palustre, Chamaedaphne calyculata, Vaccini- leaf litter among stones, 09.VIII.2005, leg. A.R. um uliginosum, undergrowth and young trees of Betula platy- DISTRIBUTION. Siberia: from the Urals eastward to phylla and Populus tremula, individual trees of Larix gmelinii, Kolyma River basin, Cisokhotia; South Siberia: Tuva; Amur- Sphagnum squarrosum , Sph. spp., Polytrichum spp., etc., skaya Prov. 02.VII.2005, leg. E.V. & A.R. Linyphiid spiders of the Norsky Nature Reserve 369

DISTRIBUTION. Northern Europe; in Siberia known mum bifolium, Trientalis europaea, Equisetum pratense, Hyloco- from the Urals eastward to East Siberia, the Kurile Islands, mium splendens, Pleurozium schreberi 18.VIII.2004, leg. A.R.; 40 Sakhalin; through the mountains of South Siberia via the ## & $$, N.N.R. (buffer zone), Burunda River basin, 1 km Lake Baikal region eastward to Khabarovsk and Maritime NW of Burunda cordon, mosses and leaf litter in swampy provinces. forest with tussocks and old stumps on very gentle slope near rill bank: Larix gmelinii, Alnus sp., Betula platyphylla, Calama- grostis sp., Carex sp., Rubus arcticus, Convallaria keiskei, Sphag- Tibioploides pacificus Eskov et Marusik, 1991 num squarrosum , Sph. ?girgensohnii , Sph. sp., Ptilium crista- castrensis, Hylocomium splendens, Dicranum sp., etc., 12.IX.2004, MATERIAL. 1 $, near border of N.N.R., island on Selemdzha leg. A.R.; 2 $$, Meun River mouth, leaf litter under Betula River near Dvadtsatikha cordon, leaf litter, moss and drift in the platyphylla, Abies nephrolepis, Picea ajanensis, Populus tremula heart of the island: among Salix spp., Populus sp., Picea ajanensis, with Poaceae gen. spp., Carex spp., Fabaceae gen. spp., Filipen- Abies nephrolepis, Alnus sp., Larix gmelinii with Poaceae, Carex sp., dula palmata, Equisetum sylvaticum, Rosa sp. on natural levee, etc., 06.VIII.2004, leg. A.R.; 1 $, Meun River mouth, plant debris 09.VII.2005, leg. A.R.; 2 ##, 1 $, N.N.R. (buffer zone), right among Carex spp. & Equisetum sp. and leaf litter under Salix spp. side of Meun River near mouth, mosses and litter in Picea & Alnus sp. on low bank of creek, 21.VIII.2004, leg. A.R.; 1 $, ajanensis forest with Abies nephrolepis and Populus spp., Maian- Nora River near Maltsevskiy cordon, mosses and leaf litter themum bifolium , Trientalis europaea , Equisetum pratense , E. under Salix spp., Alnus sp., Padus sp., Schisandra chinensis with sylvaticum , Hylocomium splendens , Pleurozium schreberi, etc., Carex spp., Equisetum sp., Poaceae, Polygonatum sp. on narrow, 11.VII.2005, leg. A.R. partly submerged, spit between river and lake, 03.IX.2004, leg. DISTRIBUTION. East Siberia, Cisokhotia, Sakha- A.R.; 1 $, Selemdzha River basin, 2 km up-stream of Norsk, lin; Amurskaya Prov. mosses and plant debris among Carex spp., Poaceae, Filipendula palmata, Spiraea sp., Salix sp., Padus sp. on swampy side of small drainage lake (dammed rill), 06.IX.2004, leg. A.R.; 1 $, near Ummeliata sibirica (Eskov, 1980) border of buffer zone of N.N.R., Burunda River basin, loamy bank of Meunchik River, 500–700 m up-stream of mouth, on MATERIAL. 1 $, N.N.R., Nora River basin, 1.5 km up- soil, in mosses and plant debris among Carex spp., Poaceae, stream of Mt. Gryashchinskaya, moss and plant debris on Filipendula palmata under Alnus sp., Salix sp., and Spiraea sp., Carex-Eriophorum swamp with Chamaedaphne calyculata, grami- 16.IX.2004, leg. A.R.; 1 $, Mazanovskiy District, Selemdzha River neous admixture, Comarum palustre, Salix sp., Vaccinium uligi- below Nora River mouth, N slope of Ust’-Norskaya Mt., 220 m, nosum, Sphagnum spp., etc., 25.VIII.2004, leg. A.R.; 5 ##, 4 $$, mosses and leaf litter among stones and under Betula platyphyl- Nora River basin, 2 km up-stream of Mt. Gryashchinskaya, la , B. davurica , Acer ukurunduense , Corylus mandshurica, etc., mosses and plant debris on small open swamp on high flood- 30.VII.2005, leg. A.R.; 1 $, Mazanovskiy District, right bank of plain: tussocks of Calamagrostis sp. and Carex spp. with Sphag- Nora River, channel of intermittent rill in fold of Ostraya Mt., num ?girgensohnii , Sph. squarrosum , Sph. centrale , Sph. spp., mosses and leaf litter under Padus sp., Alnus sp., Acer ukurun- Rubus arcticus, Convallaria keiskei, Salix sp., etc., 22.VIII.2004, duense, Betula platyphylla, etc., 23.VII.2005, leg. A.R. leg. A.R.; 1 $, Nora River basin, 1.5 km up-stream of Mt. DISTRIBUTION. East Siberia, Cisokhotia, Amurskaya Gryashchinskaya, mosses and plant debris on open swamp and Khabarovsk provinces, Sakhalin. along lake side: tussocks of Carex spp. and Poaceae with Sphagnum ?girgensohnii , Sph. ?angustifolium , Sph. ?magellani- cum , Sph. squarrosum , Sph. spp., Chamaedaphne calyculata, Tibioplus diversus (L.Koch, 1879) Vaccinium uliginosum, sparse Ledum palustre, Salix sp., Betula ?fruticosa, etc., 24.VIII.2004, leg. A.R.; 3 ##,7 $$, N.N.R. MATERIAL. 1 $, N.N.R., Burunda River near Ozyornyi Rill (buffer zone), Burunda River basin near Burunda cordon, plant mouth, mosses and leaf litter under Betula platyphylla è Larix debris and mosses on swampy sides of flood-plain lake: Carex gmelinii in birch forest with larch undergrowth, Ledum palus- spp., Poaceae, Spiraea sp., sparse Climacium sp., Hypnum sp., tre, Vaccinium vitis-idaea, Equisetum pratense, Pleurozium schreberi, Sphagnum sp., Polytrichum sp., etc., 09.IX.2004, leg. A.R. Hylocomium splendens on hill near river bank, 29.IX.2004, leg. DISTRIBUTION. Middle Siberia; through the moun- A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin, 2 km SE of tains of South Siberia via the Lake Baikal region eastward to Burunda cordon, leaf litter in young dense larch forest with Khabarovsk and Maritime provinces. sparse Alnus sp., Poaceae, Equisetum sp. and under old larch tree on hill, 22.IX.2004, leg. A.R. DISTRIBUTION. Throughout the Holarctic. Wabasso tungusicus Eskov, 1988

MATERIAL 2 ##, 4 $$, Amurskaya Area, Selemdzhinsky Tmeticus tolli Kulczyñski, 1908 District, Norskiy Nature Reserve (52?20?N, 129?19?E), Nora River basin near Meun River mouth, small swamp with Carex MATERIAL. 2 ##, N.N.R., Burunda River bank, 2.5 km spp., Poaceae & Sphagnum squarrosum, 19.VIII.2004, leg. A.R.; 3 below Burunda cordon, on soil, in organic drift on wet sand, ##, 13 $$, same, small swamp with Carex spp., Poaceae & and in plant debris among Carex spp. and Poaceae under Salix Sphagnum squarrosum, 20.VIII.2004, leg. A.R.; 3 ##, 2 $$, spp. along base of shingle-sandy spit, 15.IX.2004, leg. A.R.; 3 same, right bank of Nora River near Meunskiy cordon, shin- ##, 2 $$, N.N.R. (buffer zone), Burunda River, 1 km below gles, silt, clay, mosses and leaf litter under Salix sp. and Alnus Burunda cordon, mosses (Plagiomnium sp. etc.) and leaf litter sp., 20.VIII.2004, leg. A.R.; 1 f#, same, mosses and plant debris under Salix sp. with Poaceae, Carex sp., Filipendula palmata, on swampy flood-plain lakeside: Carex spp., Calamagrostis sp., Pyrola sp. along base of shingle-sandy spit, 25.IX.2004, leg. A.R. Filipendula palmata , Geranium sp., Comarum palustre , Spiraea DISTRIBUTION. Siberia: from Yenisey River to Chukot- sp., Salix sp., Sphagnum girgensohnii , Sph . squarrosum , Polytri- ka, Cisokhotia; Kamchatka, Sakhalin; Amurskaya and Kha- chum commune, Climacium sp., Iris sp., 28.VIII.2004, leg. A.R.; 1 barovsk provinces. #, 7 $$, same, Meun River mouth, plant debris among Carex spp. & Equisetum sp. and leaf litter under Salix spp. & Alnus sp. on low bank of creek, 21.VIII.2004, leg. A.R.; 1 $, same, rill (left Tubercithorax furcifer Eskov, 1988 confluent of Nora River) up-stream of Mt. Gryashchinskaya, true mosses and plant debris among Carex spp., Poaceae, Alnus MATERIAL. 5 ##, 6 $$, N.N.R., right bank of Meun River sp., Padus sp., Salix sp., 26.VIII.2004, leg. A.R.; 4 $$, Norskiy near mouth, mosses and litter in spruce forest with Maianthe- Nature Reserve (buffer zone), Burunda River basin, 0.5–0.7 km 370 A.V. Tanasevitch

NW of Burunda cordon, sedge-gramineous (mesotrophic) swamp valley: Betula platyphylla , Larix gmelinii , Rhododendron sp., with Sphagnum girgensohnii and true mosses around lake, Alnus sp., Ledum palustre, Vaccinium vitis-idaea, Calamagrostis 10.IX.2004, leg. A.R.; 1 $$, same, Meunchik River bank: mosses sp., Maianthemum bifolium , Carex ?globularis , Trientalis euro- and plant debris on stones near water, Carex spp., Poaceae, paea, Polytrichum commune, etc., 16.VIII.2004, leg. A.R.; 2 $$, Spiraea sp., 14.IX.2004. leg. A.R.; 2 ##, 4 $$, same, 1 km below right bank of Meun River near mouth, mosses and litter in Burunda cordon, mosses (Plagiomnium sp., etc.) and leaf litter spruce forest with Maianthemum bifolium, Trientalis europaea, under Salix sp. with Poaceae, Carex sp., Filipendula palmata, Equisetum pratense, Hylocomium splendens, Pleurozium schreberi, Pyrola sp., along base of shingle-sandy spit, 25.IX.2004, leg. A.R.; etc., 18.VIII.2004, leg. A.R.; 2 ##, 1 $, Nora River, Mt. 7 $$, same, Burunda River near Ozyornyi Rill mouth, mosses Gryashchinskaya, mosses and leaf litter on steep rocky slope and plant debris among sedge-gramineous tussocks on gentle with Betula platyphylla , Alnus sp., Sorbus sibirica , Swida alba, slope near intermittent channel: Carex spp., Calamagrostis sp., undergrowth of Acer ukurunduense, Pleurozium schreberi, Hylo- Polytrichum sp. and other true mosses, Spiraea sp., etc., 27.IX.2004, comium splendens, Dicranum sp., Ptilium crista-castrensis, Sphag- leg. A.R.; 1 $, same, mosses and leaf litter under Salix sp. and num ?girgensohnii , Dryopteris fragrans, etc., 25.VIII.2004, leg. Alnus sp. with separate tussocks of Carex sp., Plagiomnium sp., A.R.; 1 #, Nora River near Maltsevskiy cordon, mosses and leaf etc. on flood-plain (near old channel), 30.IX.2004, leg. A.R.; 2 litter under Salix spp., Alnus sp., Padus sp., Schisandra chinensis ##, 2 $$, same, plant debris and mosses among tussocks of with Carex spp., Equisetum sp., Poaceae, Polygonatum sp. on Carex spp. and Poaceae with Spiraea sp., Vicia sp., true mosses narrow, partly submerged, spit between river and lake, 02.IX.2004, on gently sloping side of small flood-plain lake, 2.X.2004, leg. leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin, 4.5 km A.R.; 1 #, 6 $$, same, Nora River basin near Meunskiy cordon, NW of Burunda cordon, mosses and leaf litter in slope forest sweeping on Carex spp., Eriophorum spp., Poaceae with Sphag- under Betula platyphylla , Larix gmelinii with Ledum palustre, num spp. along swampy road to Dlinnoye Lake, 13.VII.2005, Rhododendron sp., Alnus sp., Pleurozium schreberi, Hylocomium leg. A.R.; 2 $$, same, rill (left confluent of Nora River), 1 km splendens, etc., 14.IX.2004, leg. A.R.; 2 ##, 1 $, N.N.R. (buffer up-stream of Mt. Gryashchinskaya, true mosses and plant zone), Burunda River basin, 2 km SE of Burunda cordon, leaf debris among Carex spp., Poaceae, Alnus sp., Padus sp., Salix sp., litter in young dense larch forest with sparse Alnus sp., Poaceae, 22.VII.2005, leg. A.R. Equisetum sp. and under old larch tree on hill, 22.IX.2004, leg. DISTRIBUTION. Middle Siberia, Cisokhotia, Amur- A.R.; 1 $, Mazanovskiy District, right bank of Nora River below skaya and Khabarovsk provinces. Ostraya Mt., mosses and leaf litter under Alnus sp., Padus sp., Spiraea sp. with Matteuccia struthiopteris, Poaceae, Carex spp. on high bank of river, 23.VII.2005, leg. A.R.; 1 $, Nora River Walckenaeria auranticeps (Emerton, 1882) near Maltsevskiy cordon, mosses, leaf litter, soil under Alnus sp., Padus sp., Salix spp. with ferns, Poaceae, Carex spp., etc., on MATERIAL. 1 #, N.N.R. (buffer zone), Burunda River clayish slumping bank, 17.VI.2005, leg. E.V. & A.R.; 1 $, Nora basin, 1 km SE of Burunda cordon, moss and leaf litter among River below Maltsevskiy cordon, leaf litter under Salix spp. and sedge-gramineous tussocks and under young growth of Betula Alnus sp. on narrow, partly submerged, spit between the river sp. on wide open swamp, 04.X.2004, leg. A.R.; 1 $, lower reaches and the lake, 10.VI.2005, leg. E.V. & A.R. of Chervinka River, mosses, plant debris, leaf litter on wide DISTRIBUTION. Northern Europe, Spitsbergen; in Si- swamp with tussocks of Carex spp. and Poaceae gen. spp. with beria distributed from the Urals eastward to Chukotka, Ci- Salix spp., Alnus sp., Betula fruticosa , Ledum palustre, sokhotia, Kamchatka, Sakhalin; through the mountains of Chamaedaphne calyculata, Vaccinium uliginosum, undergrowth South Siberia via the Lake Baikal region eastward to Kha- and young trees of Betula platyphylla and Populus tremula, individual trees of Larix gmelinii, Sphagnum squarrosum, Sph. barovsk and Maritime provinces. Registered also from Mon- spp., Polytrichum spp., etc., 02.VII.2005, leg. E.V. & A.R. golia and China. Widespread in the northern Nearctic. DISTRIBUTION. East Siberia, Cisokhotia; in South Si- beria known from Tuva and Sayan, Amurskaya and Kha- Walckenaeria korobeinikovi Esyunin et Efimik, barovsk provinces. Widespread in the Nearctic. 1996

Walckenaeria fraudatrix Millidge, 1983 MATERIAL. 1 $, N.N.R., Nora River basin near Meunskiy cordon, mosses and plant debris at flood-plain of a rill: Alnus MATERIAL. 1 #, N.N.R. (buffer zone), Burunda River sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, basin, 1 km NW of Burunda cordon, mosses and leaf litter in Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 18.VIII.2004, swampy forest with tussocks and old stumps on very gentle leg. A.R.; 2 ##, 1 $, N.N.R. (buffer zone), Burunda River basin, slope near rill bank: Larix gmelinii, Alnus sp., Betula platyphylla, 1 km SE of Burunda cordon, mosses and plant debris among Calamagrostis sp., Carex sp., Rubus arcticus, Convallaria keiskei, sedge tussocks on wide Carex-Eriophorum-gramineous swamp Sphagnum squarrosum, Sph. ?girgensohnii, Sph. sp., Ptilium crista- with small true mosses, Sphagnum squarrosum, Sph. sp., Ledum castrensis, Hylocomium splendens, Dicranum sp., etc., 12.IX.2004, palustre, Vaccinium uliginosum, sparse Salix sp., young growth leg. A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses of Betula sp., etc., 21.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. (buffer and leaf litter in forest on very gentle slope: Betula platyphylla, zone), Burunda River basin, 1.5 km NW of Burunda cordon, Larix gmelinii , Rhododendron sp., Alnus sp., Ledum palustre, plant debris among tussocks of Carex spp. under sparse Alnus Vaccinium vitis-idaea , V. uliginosum, Calamagrostis sp., Maian- sp. with young growth of Larix gmelinii along rill bank near themum bifolium, Carex ?globularis, Trientalis europaea, Polytri- road, 17.IX.2004, leg. A.R.; 1 #, 1 $, N.N.R. (buffer zone), chum commune, etc., 08.VII.2005, leg. A.R. Burunda River basin, 0.5–0.7 km NW of Burunda cordon, DISTRIBUTION. Siberia: from Yenisey River to Chukot- sedge-gramineous swamp with Sphagnum ?girgensohnii and true ka, Cisokhotia; the Lake Baikal region, Amurskaya, Kha- mosses around lake, 10.IX.2004, leg. A.R.; 2 ##, 1 $, lower barovsk and Maritime provinces, Sakhalin. Known also from reaches of Chervinka River, mosses, ferns, leaf litter, plant Mongolia. In the Nearctic, occurs in Alaska and Yukon. debris on banks of river and intermittent rill with tussocks of Carex spp., Poaceae, Spiraea spp., Salix spp., Betula ?fruticosa, undergrowth of Betula platyphylla, etc., 30.VI.2005, leg. E.V. & Walckenaeria karpinskii (O. Pickard-Cambridge, A.R.; 1 $, Nora River basin near Meunskiy cordon, mosses, leaf 1873) litter and plant debris on swampy flood-plain of intermittent rill with Alnus sp., Padus sp., Salix spp., Betula platyphylla, B. MATERIAL. 2 ##, 1 $, N.N.R., Nora River basin near ?fruticosa, Poaceae, Carex spp., Ledum palustre , Filipendula Meunskiy cordon, mosses and plant debris in forest at rill palmata , Vaccinium uliginosum , Convallaria keiskei , Trientalis Linyphiid spiders of the Norsky Nature Reserve 371 europaea , Maianthemum bifolium , Sphagnum squarrosum , Sph. sp., Betula platyphylla, Calamagrostis sp., Carex sp., Rubus arcti- ?girgensohnii , Sph. ?centrale , Sph. spp., Hypnum sp., etc., cus, Convallaria keiskei, Sphagnum squarrosum, Sph. ?girgensoh- 10.VII.2005, leg. A.R.; 1 $, Nora River basin near Meunskiy nii , Sph. sp., Ptilium crista-castrensis , Hylocomium splendens, cordon, mosses and plant debris on flood-plain of intermittent Dicranum sp., etc., 12.IX.2004, leg. A.R.; 1 #, near border of rill with Alnus sp., Carex spp., Poaceae, Trientalis europaea, buffer zone of N.N.R., Burunda River basin, 9 km SE of Convallaria keiskei , Sphagnum squarrosum , Sph. ?girgensohnii, Burunda cordon, mosses and leaf litter in sparse growth of Sph. spp., Hypnum sp., etc., 08.VII.2005, leg. A.R. burnt Betula platyphylla and Larix gmelinii with spots of Alnus DISTRIBUTION. European tundra; Siberia: from the sp., dense growth of Ledum palustre, Vaccinium uliginosum, V. Urals eastward to East Siberia; through the mountains of vitis-idaea on gentle slope, 20.IX.2004, leg. A.R. South Siberia via the Lake Baikal region to Khabarovsk DISTRIBUTION. Cisokhotia, Sakhalin, Amurskaya Prov. Known also from Mongolia and Japan. Prov.

Walckenaeria palmgreni Eskov et Marusik, 1994 Walckenaerianus aimakensis Wunderlich, 1995

MATERIAL. 1 #, N.N.R., Nora River basin near Meunskiy MATERIAL. 1 #, N.N.R., Nora River basin, 2 km up- cordon, mosses and plant debris at flood-plain of a rill: Alnus stream of Mt. Gryashchinskaya, mosses and plant debris on sp., Carex spp., Poaceae, Trientalis europaea, Convallaria keiskei, small open swamp on high flood-plain: tussocks of Calamagros- Sphagnum squarrosum, Sph. spp., Hypnum sp., etc., 18.VIII.2004, tis sp. and Carex spp. with Sphagnum ?girgensohnii, Sph. squar- leg. A.R.; 1 $, N.N.R. (buffer zone), Burunda River basin, 0.5 km rosum , Sph. centrale , Sph. spp., Rubus arcticus , Convallaria NW of Burunda cordon, moss and plant debris at edge of keiskei, Salix sp., etc., 22.VIII.2004, leg. A.R. swamp: tussocks of Poaceae with Carex sp., young growth of DISTRIBUTION. Described from Mongolia. South Si- Betula sp., Salix sp., Spiraea sp., and small true mosses, 07.X.2004, beria: Tuva and Lake Baikal region; Amurskaya Prov. leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, Meunchik River bank near railway bridge (6 km NW of Wubanoides fissus (Kulczyñski, 1926) Burunda cordon), mosses and plant debris on stones near water and among Carex spp. and Poaceae with Spiraea sp., 14.IX.2004, leg. A.R.; 1 #, N.N.R. (buffer zone), Burunda River basin, 0.5– MATERIAL. 1 $, N.N.R., Nora River, Mt. Gryashchinskaya, 0.7 km NW of Burunda cordon, sedge-gramineous swamp with mosses and leaf litter on steep rocky slope with Betula platy- Sphagnum ?girgensohnii and true mosses around lake, 10.IX.2004, phylla , Alnus sp., Sorbus sibirica , Swida alba, undergrowth of leg. A.R.; 1 #, near border of buffer zone of N.N.R., Burunda Acer ukurunduense , Pleurozium schreberi , Hylocomium splen- River basin, 9 km SE of Burunda cordon, mosses and leaf litter dens, Dicranum sp., Ptilium crista-castrensis, Sphagnum ?girgen- in sparse growth of burnt Betula platyphylla and Larix gmelinii sohnii, Dryopteris fragrans, etc., 25.VIII.2004, leg. A.R. with spots of Alnus sp., dense growth of Ledum palustre, DISTRIBUTION. Siberia: from Yenisey River eastward Vaccinium uliginosum, V. vitis-idaea on gentle slope, 20.IX.2004, to Chukotka, Cisokhotia, Kamchatka, Amurskaya and Mari- leg. A.R.; 1 #, Nora River basin near Meunskiy cordon, mosses time provinces. Known also from Japan. and plant debris among Carex spp., Eriophorum spp., Poaceae with Sphagnum spp. along swampy road to Dlinnoye Lake, ACKNOWLEDGEMENTS. I am most grateful to Ale- 13.VII.2005, leg. A.R. DISTRIBUTION. Siberia: from Yenisey River eastward xander Ryvkin and Elena M. Veselova (Moscow, Russia), to Chukotka, Cisokhotia, Amurskaya, Khabarovsk and Mar- whose collections provided the basis for this study. itime provinces. Known also from Mongolia. References Walckenaeria tystchenkoi Eskov et Marusik, 1994 Tanasevitch A.V., Trilikauskas L.A. 2004. Check-list of the MATERIAL. 1 $, N.N.R. (buffer zone), Burunda River linyphiid spiders of the Bureinsky State Nature Reserve basin, 2.5 km SE of Burunda cordon, leaf litter under Larix and adjacent territories, Russian Far East (Aranei: Linyphi- gmelinii and Betula platyphylla with Ledum palustre, Rhododen- idae) // Arthropoda Selecta. Vol.13. No.1–2. P.77–86. dron sp., Vaccinium vitis-idaea, Equisetum sylvaticum in burnt Trilikauskas L.A., Tanasevitch A.V. 2006. New records of the forest on gentle slope, 23.IX.2004, leg. A.R.; 1 $, N.N.R. (buffer linyphiid spiders from the Bureinsky Nature Reserve, Kha- zone), Burunda River basin, 1 km NW of Burunda cordon, barovsk Province, Russian Far East (Arachnida: Aranei: mosses and leaf litter in swampy forest with tussocks and old Linyphiidae) // Arthropoda Selecta. Vol.14 (for 2005). stumps on very gentle slope near rill bank: Larix gmelinii, Alnus No.4 P.339–345.