Arthropoda Selecta 14 (4): 339–345 © ARTHROPODA SELECTA, 2005

New records of the linyphiid from the Bureinsky Nature Reserve, Khabarovsk Province, Russian Far East (Arachnida: Aranei: )

Íîâûå íàõîäêè ïàóêîâ-ëèíèôèèä èç Áóðåèíñêîãî çàïîâåäíèêà (Õàáàðîâñêèé êðàé, Äàëüíèé Âîñòîê Ðîññèè) (Arachnida: Aranei: Linyphiidae)

L.A. Trilikauskas1 & A.V. Tanasevitch2 Ë.À. Òðèëèêàóñêàñ1, À.Â. Òàíàñåâè÷2

1Bureinsky State Nature Reserve, Zelionaya Str.3, Chegdomyn, Khabarovsk Province 682030 . Áóðåèíñêèé ãîñóäàðñòâåííûé ïðèðîäíûé çàïîâåäíèê, óë. Çåëåíàÿ 3, ×åãäîìûí, Õàáàðîâñêèé êðàé 682030 Ðîññèÿ. 2Centre for Forest Ecology and Productivity, Russian Academy of Sciences, 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, Siberia, Khabarovsk Province, faunistics, distribution. ÊËÞ×ÅÂÛÅ ÑËÎÂÀ: Ïàóêè, Linyphiidae, Ñèáèðü, Õàáàðîâñêèé êðàé, ôàóíèñòèêà, õîðîëîãèÿ.

ABSTRACT. A checklist of 75 linyphiid species Introduction collected in the Bureinsky Nature Reserve, Khabarovsk (= Habarovsk) Prov. and adjacent territories is com- Recently, a checklist of 104 linyphiid species of the piled, with 32 species recorded as new to the region Bureinsky State Nature Reserve and adjacent territo- and one, Neriene oidedicata van Helsdingen, 1969, as ries has been published [Tanasevitch & Trilikauskas, new to the Russian fauna. Habitat data are provided for 2004]. New material collected in 2004 and 2005, cou- each species listed. Four previous misidentifications pled with a restudy of the earlier undetermined sam- are rectified (correct names on the right): Bathyphantes ples, allows to essentially update and complete this list, simillimus (L. Koch, 1879) = Bathyphantes eumenis also providing useful habitat information concerning (L. Koch, 1879); Ceratinella brevipes (Westring, 1851) the nature reserve’s spiders. and Ceratinella scabrosa (O. Pickard-Cambridge, 1871) = Ceratinella wideri (Thorell, 1871), Nenilinium lu- Material and methods teolum (Loksa, 1965) = Nenilinium asiaticum Eskov, 1988. Based on the new records, the linyphiid fauna of The present paper is based on new or previously the nature reserve and its adjacent parts comprises 143 undetermined material collected by L. A. Trilikauskas species. in 1999–2005, by D. V. Logunov in July and August 2004, as well as by A. V. Tanasevitch in May and June ÐÅÇÞÌÅ. Ïðèâåäåí ñïèñîê èç 75 âèäîâ ïàó- 2003 in the Bureinsky State Nature Reserve and its êîâ ñåìåéñòâà Linyphiidae, íàéäåííûõ â Áóðåèíñ- adjacent territories. The material is stored in the Zoo- êîì çàïîâåäíèêå è åãî îêðåñòíîñòÿõ. Èç íèõ 32 logical Museum of the Moscow State University, Mos- âèäîâ îòìå÷åíû çäåñü âïåðâûå, îäèí âèä, Neriene cow and the Bureinsky Nature Reserve, Chegdomyn. oidedicata van Helsdingen, 1969, — âïåðâûå äëÿ The species recorded in the region for the first time ôàóíû Ðîññèè. Äëÿ âñåõ âèäîâ óêàçàíû íîâûå ìå- are marked with asterisk. ñòà íàõîäîê. Èñïðàâëåíû ÷åòûðå äîïóùåííûå ðà- ABBREVIATIONS. The following abbreviations íåå îøèáêè â îïðåäåëåíèÿõ (ïðàâèëüíûå íàçâàíèÿ have been used in the text: B.R. — Bureinsky Nature ñïðàâà): Bathyphantes simillimus (L. Koch, 1879) = Reserve, Khabarovsk Province; L. — “Levaya” (= left) Bathyphantes eumenis (L. Koch, 1879); Ceratinella Bureya River, P. — “Pravaya” (= right) Bureya River. brevipes (Westring, 1851) and Ceratinella scabrosa (O. Picard-Cambridge, 1871) = Ceratinella wideri List of linyphiid spiders (Thorell, 1871); Nenilinium luteolum (Loksa, 1965) = Nenilinium asiaticum Eskov, 1988. Ñ ó÷åòîì íî- Agyneta affinisoides Tanasevitch, 1984* âûõ äàííûõ, ôàóíà ïàóêîâ ñåìåéñòâà Linyphiidae çàïîâåäíèêà è åãî îêðåñòíîñòåé íàñ÷èòûâàåò 143 MATERIAL. 1 #, B.R., L. Bureya River Valley, 3 km upstream âèä. of Kuraigagna River mouth, 19.VIII.2004, leg. L. Trilikauskas. 340 L.A.Trilikauskas & A.V.Tanasevitch

DISTRIBUTION. Middle and East Siberia, Cisokho- Bathyphantes eumenis (L. Koch, 1879) tia; through the mountains of South Siberia via the Lake Baikal region eastward to Khabarovsk Prov. Known also 2004 Bathyphantes simillimus — Tanasevitch & Trilikaus- from Mongolia. kas: 79. 2005 Bathyphantes eumenis — Trilikauskas: 213. Agyneta conigera (O. Pickard-Cambridge, 1863)* MATERIAL. 4 $$, B.R., L. Bureya River Valley, 3 km upstream of Kuraigagna River mouth, 18–19.VIII.2004, leg. L. Trilikauskas; 2 $$, B.R., Bureya River Valley, 4 km downstream MATERIAL. 2 ##, B.R., Bureya River Valley, 1 km of confluence of P. & L. Bureya, near mouth of Umalta-Makit downstream of confluence of P. and L. Bureya River, 21– River, 06.VIII.2004, leg. D. Logunov; 7 $$, B.R., P. Bureya River 26.VI.2004, 1–6.VII.2004, leg. L. Trilikauskas; 1 #, B.R., Valley, upper reaches of Lednikovy River, 8–21.VII.2005, leg. L. P. Bureya River Valley, 300 m upstream of the mouth, 2– Trilikauskas; 1 $, same locality, near mouth of Bureika River, 7.VII.2004, leg. L. Trilikauskas. 21.VIII.2005, leg. L. Trilikauskas; 2 $$, B.R., P. Bureya River DISTRIBUTION. Europe, including the tundra zone, Valley, near mouth of Lednikovy River mouth, 26–28.VII.2005, the Caucasus; in Siberia: from the Urals eastward to East leg. L. Trilikauskas. Siberia, Cisokhotia. Eastern , through the moun- DISTRIBUTION. Fennoscandia, Central Europe, Euro- tains of South Siberia via the Lake Baikal region eastward to pean tundra. Throughout all Siberia: from the Urals to East Khabarovsk Prov. Known also from Mongolia. Siberia, Cisokhotia, Kamchatka, Commandor and Kurile Is- lands, Sakhalin; through the mountains of South Siberia Agyneta nigra (Oi, 1960)* eastward to Khabarovsk and Maritime provinces. Known from Mongolia and . Northern Nearctic: from Alaska MATERIAL. 1 #, B.R., Bureya River Valley, 1 km eastward to Newfoundland. downstream of confluence of P. and L. Bureya River, 16– 21.VI.2004, leg. L. Trilikauskas. Bathyphantes gracilis (Blackwall, 1841)* DISTRIBUTION. East Siberia, Sakhalin, Lake Baikal region; Amurskaya, Khabarovsk and Maritime provinces. MATERIAL. 1 $, Khabarovsk Province, near the Cheg- Known also from Mongolia, China, Japan and Korea. domyn Village, 08.IX.2002, leg. L. Trilikauskas. DISTRIBUTION. Through all Europe, including the tun- dra zone, Turkey, the Caucasus; in Siberia: from the Urals Agyneta olivacea (Emerton, 1882) eastward to East Siberia, Kamchatka, Sakhalin; through the mountains of South Siberia via the Lake Baikal region east- 2004 Agyneta olivacea — Tanasevitch & Trilikauskas: 78. 2005 Agyneta olivacea — Trilikauskas: 212. ward to Khabarovsk and Maritime provinces; known from MATERIAL. 1 #, B.R., P. Bureya River Valley, upper China. Northern Nearctic: from Alaska eastward to New- reaches of Lednikovy River, 22.VI.2000, leg. L. Trilikauskas. foundland. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. Centromerus pacificus Eskov et Marusik, 1992 (Grube, 1889) MATERIAL. 7 ##, 1 $, B.R., Bureya River Valley, 1 2004 Allomengea dentisetis — Tanasevitch & Trilikauskas: 78. km downstream of confluence of P. & L. Bureya, 1– MATERIAL. 3 ##, 2 $$, Khabarovsk Province, Chegdomyn 16.VI.2004, leg. L. Trilikauskas. Village, 13–20.VIII.2001, 11.VIII.2005, leg. L. Trilikauskas. DISTRIBUTION. East Siberia, Cisokhotia; Mountains DISTRIBUTION. See Tanasevitch & Trilikauskas of South Siberia: Sayan; Amurskaya, Khabarovsk and Mari- [2004]. time provinces, Sakhalin.

Anguliphantes dybowskii (O. Pickard-Cambridge, orientalis Eskov, 1987 1873) 2004 Ceraticelus orientalis — Tanasevitch & Trilikauskas: 80. 2004 Anguliphantes dybowskii — Tanasevitch & Trilikaus- MATERIAL. 3 ##, 3 $$, B.R., confluence of P. & L. Bureya, kas: 78. 17.VII.2003, leg. L. Trilikauskas. 2005 Anguliphantes dybowskii — Trilikauskas: 212. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. MATERIAL. 1 $, B.R., L. Bureya River Valley, 3 km up- stream of Kuraigagna River mouth, 19.VIII.2004, leg. L. Tril- Ceratinella wideri (Thorell, 1871) ikauskas; 1 $, B.R., P. Bureya River Valley, near mouth of Bureika River, 21.VIII.2005, leg. L. Trilikauskas. 2004 Ceratinella brevipes — Tanasevitch & Trilikauskas: 80. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. 2004 Ceratinella scabrosa — Tanasevitch & Trilikauskas: 80. MATERIAL. 1 $, B.R., P. Bureya River Valley, upper reaches Anguliphantes karpinskii (O. Pickard-Cambridge, of Lednikovy River, 08.VII.2005, leg. L. Trilikauskas. 1873) DISTRIBUTION. Widespread in Europe, in Siberia known from the Urals eastward to Chukotka, Cisokhotia; from eastern Kazakhstan through the mountains of South 2004 Anguliphantes karpinskii — Tanasevitch & Trilikaus- kas: 79. Siberia eastward to Khabarovsk Prov. Recorded in Mongo- MATERIAL. 1 #, 2 $$, B.R., L. Bureya River Valley, 3 km lia and Middle Asia. upstream of Kuraigagna River mouth, 18.VIII.2004, leg. L. Trilikauskas; 1 #, same locality, Chapkhoz River Valley, 300 m Diplocentria bidentata (Emerton, 1882)* upstream of the mouth, 22.VIII.2004, leg. L. Trilikauskas; 1 $, B.R., P. Bureya River Valley, near mouth of Bureika River, MATERIAL. 2 $$, B.R., Bureya River Valley, 3.5 km down- 21.VII.2005, leg. L. Trilikauskas. stream of confluence of P. & L. Bureya rivers, 25.VII.2004, DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. 05.VIII.2004, leg. D. Logunov. New records of the linyphiid spiders from the Bureinsky Nature Reserve 341

DISTRIBUTION. Northern Europe; Siberia: from the MATERIAL. 8 $$, B.R., P. Bureya River Valley, near mouth Urals to East Siberia, Cisokhotia, Kamchatka, the Kurile of Lednikovy River, 30.VI–18.VII.2005, leg. L. Trilikauskas. Islands, Sakhalin. Through the mountains of South Siberia DISTRIBUTION. See Tanasevitch & Trilikauskas via the Lake Baikal region eastward to Maritime Prov. Known [2004]. from Mongolia and China. Widespread in the Nearctic. Halorates submissus L. Koch, 1879 Diplocephalus subrostratus (O. Pickard-Cambridge, 1873) 2004 Halorates submissus — Tanasevitch & Trilikauskas: 81. MATERIAL. 1 #, Khabarovsk Province, Chegdomyn Vil- lage, 03.V.2001, leg. L. Trilikauskas; 1 $, Bureya River Valley, 6 2004 Diplocephalus subrostratus — Tanasevitch & Trilikaus- km upstream of Usman River mouth, 28.VI.2001, leg. L. kas: 80. Trilikauskas. MATERIAL. 12 ##, 3 $$, Khabarovsk Province, upper DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. reaches of Bureya River, Umalta – Makit River Valley, 1 km upstream of the mouth, 10.VIII.2004, leg. D. Logunov. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. Helophora insignis (Blackwall 1841)*

Epibellowia pacifica (Eskov et Marusik, 1992) MATERIAL. 5 ## (subad.), Khabarovsk Province, near the Chegdomyn Village, 09.VIII.2000, leg. L. Trilikauskas. DISTRIBUTION. Throughout the Holarctic. 2004 Epibellowia pacifica — Tanasevitch & Trilikauskas: 80. MATERIAL. 1 #, B.R., L. Bureya River Valley, near mouth of Vankish River, 21.VIII.2004, leg. L. Trilikauskas. Hilaira devitata Eskov, 1987* DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. MATERIAL. 3 $$, B.R., P. Bureya River Valley, near mouth Erigone atra Blackwall, 1833 of Lednikovy River, 10–18.VII.2005, leg. L. Trilikauskas. DISTRIBUTION. Middle and East Siberia, southern part 2004 Erigone atra — Tanasevitch & Trilikauskas: 80. of Khabarovsk and Maritime provinces. 2005 Erigone atra — Trilikauskas: 213. MATERIAL. 3 ##, Khabarovsk Province, Chegdomyn Vil- Hilaira herniosa (Thorell, 1875) lage, 11.V.2000, 15.VII.2001, 2–7.VIII.2001, leg. L. Trilikauskas. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. 2004 Hilaira herniosa — Tanasevitch & Trilikauskas: 81. MATERIAL. 2 ##, B.R., L. Bureya River Valley, 3 km Erigone capra Simon, 1884* upstream of Kuraigagna River mouth, 18.VIII.2004, leg. L. Trilikauskas. 2004 Erigone capra — Tanasevitch & Trilikauskas: 81. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. MATERIAL. 1 $, B.R., P. Bureya River Valley, near mouth of Lednikovy River, 18–28.VII.2005, leg. L. Trilikauskas 1 #, B.R., Holminaria sibirica Eskov, 1991 Bureya River Valley, 3.5 km downstream of confluence of P. & L. Bureya, 22.V–02.VI.2003, leg. A. Tanasevitch. 2004 Holminaria sibirica — Tanasevitch & Trilikauskas: 82. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. MATERIAL. 1 #, 1 $, Khabarovsk Province, upper reaches of Bureya River, Umalta-Makit River Valley, 1 km upstream of Erigone dentipalpis (Wider, 1834) the mouth, 10.VIII.2004, leg. D. Logunov; 1 $, same locality, Chegdomyn Village, 22.V.2005, leg. L. Trilikauskas; 7 $$, B.R., MATERIAL. 1 #, B.R., Bureya River Valley, 2.5 km down- P. Bureya River Valley, upper reaches of Lednikovy River, stream of confluence of P. & L. Bureya, 22.V–02.VI.2003, leg. A. 10.VII–07.VIII.2005, leg. L. Trilikauskas. Tanasevitch. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. DISTRIBUTION. Throughout the Palaearctic. In the Nearctic known only from Newfoundland. Hypomma bituberculatum (Wider, 1834)

Floronia bucculenta (Clerck, 1757) 2000 Hypomma bituberculatum — Trilikauskas: 217. 2005 Hypomma bituberculatum — Trilikauskas: 213. 2004 Floronia bucculenta — Tanasevitch & Trilikauskas: 81. MATERIAL. 1 $, Khabarovsk Province, Verchnebureinskiy MATERIAL. 1 $, Khabarovsk Province, Chegdomyn Village, Distr., near mouth of Niman River, 21.VI.2003, leg. L. Tril- 13.VIII.2000, leg. L. Trilikauskas. ikauskas. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. DISTRIBUTION. Throughout the Palaearctic.

Gnathonarium dentatum (Wider, 1834) Hylyphantes nigritus (Simon, 1881)*

2004 Gnathonarium dentatum — Tanasevitch & Trilikaus- MATERIAL. 1 $, Khabarovsk Province, near the Cheg- kas: 81. domyn Village, 13.VIII.2000, leg. L. Trilikauskas. MATERIAL. 2 $$, Khabarovsk Province, Chegdomyn Vil- DISTRIBUTION. Widespread in Europe, the Caucasus, lage, 08.IX.2000, leg. L. Trilikauskas. the Urals. Eastern Kazakhstan, throughout the mountains of DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. South Siberia via the Lake Baikal region to Khabarovsk and Maritime provinces, the Kurile Islands, Sakhalin. Known Gnathonarium taczanowskii (O. Pickard-Cam- from China. bridge, 1873) Hypselistes jacksoni (O. Pickard-Cambridge, 1902) 2004 Gnathonarium taczanowskii — Tanasevitch & Trilikaus- kas: 81. 2004 Hypselistes jacksoni — Tanasevitch & Trilikauskas: 82. 342 L.A.Trilikauskas & A.V.Tanasevitch

MATERIAL. 1 $, Khabarovsk Province, Verchnebureinskiy Trilikauskas; 4 $$, B.R., P. Bureya River Valley, near mouth of Distr., near mouth of Niman River, 20.VI.2003, leg. L. Tril- Bureika River, 21.VIII.2005, leg. L. Trilikauskas ikauskas; 2 ##, 2 $$, B.R., L. Bureya River Valley, near mouth DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. of Vankish River, 21.VIII.2004, leg. L. Trilikauskas; 3 ##, B.R., L. Bureya River basin, Chapkhoz River Valley, 200 m upstream Maro bureensis Tanasevitch, 2006 of its mouth, 22.VIII.2004, leg. L. Trilikauskas. DISTRIBUTION. See Tanasevitch & Trilikauskas 2004 Maro sp. — Tanasevitch & Trilikauskas: 83. [2004]. 2006 Maro bureensis — Tanasevitch: 262. MATERIAL. 2 $$, B.R., P. Bureya River Valley, near mouth Hypselistes semiflavus (L. Koch, 1879) of Bureika River, 21.VIII.2005, leg. L. Trilikauskas. DISTRIBUTION. Southern part of Khabarovsk Prov- 2004 Hypselistes semiflavus — Tanasevitch & Trilikauskas: 82. ince. MATERIAL. 1 $, Bureya River Valley, near mouth of Niman River, 20.VI.2003, leg. L. Trilikauskas. Maro khabarum Tanasevitch, 2006 DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. 2006 Maro khabarum — Tanasevitch: 262. Incestophantes incestoides (Tanasevitch et Eskov, MATERIAL. 1 #, L. Bureya River basin, Chapkhoz River 1987)* Valley, 22.VIII.2004, leg. L. Trilikauskas. DISTRIBUTION. Amurskaya and Khabarovsk provinc- MATERIAL. 1 $, B.R., P. Bureya River Valley, 1.5 km es. upstream of the mouth, 20.VII.2004, leg. D. Logunov. DISTRIBUTION. The Urals, East Siberia, Cisokhotia, Maro pansibiricus Tanasevitch, 2006 Khabarovsk Prov. 2006 Maro pansibiricus — Tanasevitch: 260. Incestophantes laricetorum (Tanasevitch et Eskov, MATERIAL. 1 #, 1 $, B.R., L. Bureya River Valley, near 1987) mouth of Vankish River, 21.VIII.2004, leg. L. Trilikauskas. DISTRIBUTION. West, Middle and East Siberia (ex- 2004 Incestophantes laricetorum — Tanasevitch & Trilikaus- cept Chukotka), through the mountains of South Siberia kas: 82. eastward to Khabarovsk and Maritime provinces, Sakhalin. 2005 Incestophantes laricetorum — Trilikauskas: 213. MATERIAL. 1 #, 1 $, B.R., L. Bureya River Valley, 3 km Maso sundevalli (Westring, 1851) upstream of Kuraigagna River mouth, 18.VIII.2004, leg. L. Trilikauskas. 2004 Maso sundevalli — Tanasevitch & Trilikauskas: 83. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. MATERIAL. 1 $, L. Bureya River basin, Chapkhoz River Valley, 22.VIII.2004, leg. L. Trilikauskas. Incestophantes obtusus Tanasevitch, 1996 DISTRIBUTION. All over the Holarctic.

2004 Incestophantes obtusus — Tanasevitch & Trilikauskas: 82. Mecynargus monticola (Holm, 1943)* 2005 Incestophantes obtusus — Trilikauskas: 213. MATERIAL. 1 $, B.R., L. Bureya River Valley, near mouth of MATERIAL. 1 $, B.R., Bureya River Valley, 2.5 km down- Vankish River, 22.VIII.2004, leg. L. Trilikauskas. stream of confluence of P. and L. Bureya River, 16–21.VII.2002, DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. leg. L. Trilikauskas; 2 $$, same locality, 23.V.2003, 31.V.2003, leg. A. Tanasevitch; 1 #, same locality, 05.VIII.2004, leg. D. Linyphia triangularis (Clerck, 1757) Logunov; 1 #, B.R., P. Bureya River Valley, near mouth of Lednikovy River, 9–18.VII.2005, leg. L. Trilikauskas. 2005 Linyphia triangularis — Trilikauskas: 213. DISTRIBUTION. Northern Europe; Siberia: from the MATERIAL. 1 #, Khabarovsk Province, Chegdomyn Vil- Urals to Chukotka, Cisokhotia. Through the mountains of lage, 13.VIII.2000, leg. L. Trilikauskas. South Siberia via the Lake Baikal region eastward to Kha- DISTRIBUTION. Throughout the Palearctic, introduced barovsk Prov. Known from Mongolia. In the Nearctic in USA. known from Canada: British Columbia, Yukon, Northern Territories. Macrargus multesimus (O. Pickard-Cambridge, 1875)* Mecynargus pinipumilis Eskov, 1988*

MATERIAL. 1 $, B.R., Bureya River Valley, 1 km down- MATERIAL. 1 #, 2 $$, B.R., L. Bureya River Valley, 3 km stream of confluence of P. and L. Bureya River, 12–17.VII.2004, upstream of Kuraigagna River mouth, 19.VIII.2004, leg. L. leg. D. Logunov. Trilikauskas; 3 ##, 2 $$, same locality, near mouth of DISTRIBUTION. Europe include tundra zona; Siberia: Vankish River, 22.VIII.2004, leg. L. Trilikauskas. from the Urals eastward to Chukotka, Cisokhotia, Kamchat- DISTRIBUTION. East Siberia, Cisokhotia, Khabarovsk ka, Sakhalin. Through the mountains of South Siberia east- Prov. ward to Khabarovsk and Maritime provinces. Known from Mongolia and China. Metopobactrus prominulus (O. Pickard-Cambridge, 1872)* Maro borealis Eskov, 1991 MATERIAL. 1 $, B.R., Bureya River Valley, 3.5 km down- 2004 Maro borealis — Tanasevitch & Trilikauskas: 83. stream of confluence of P. and L. Bureya River, 25.VII.2004, leg. MATERIAL. 1 #, B.R., L. Bureya River Valley, 3 km D. Logunov. upstream of Kuraigagna River mouth, 18.VIII.2004, leg. L. DISTRIBUTION. Throughout the Holarctic. New records of the linyphiid spiders from the Bureinsky Nature Reserve 343

Micrargus herbigradus (Blackwall, 1854) 22.VIII.2004, leg. L. Trilikauskas; 1 $, B.R., P. Bureya River Valley, Bureika River basin, Siuriuktak River Valley, 300 m 2004 Micrargus herbigradus — Tanasevitch & Trilikauskas: 83. upstream mouth, 30.VII.2005, leg. L. Trilikauskas. MATERIAL. 1 #, B.R., P. Bureya River Valley, near mouth DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. of Bureika River, 21.VIII.2005, leg. L. Trilikauskas. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. Nematogmus sanguinolentus (Walckenaer, 1841)*

Microlinyphia pusilla (Sundevall, 1830) 2004 Nematogmus sanguinolentus — Tanasevitch & Trilikaus- kas: 83. 2004 Microlinyphia pusilla — Tanasevitch & Trilikauskas: 83. MATERIAL. 1 $, Khabarovsk Province, Chegdomyn Vil- MATERIAL. 1 $, B.R., P. Bureya River Valley, 3–4 km lage, 31.V.2005, leg. L. Trilikauskas; 1 $, B.R., P. Bureya River upstream of the mouth, 10–14.VII.1999, leg. L. Trilikauskas. Valley, near mouth of Bureika River, 21.VII.2005, leg. L. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. Trilikauskas. DISTRIBUTION. See Tanasevitch & Trilikauskas Microneta viaria (Blackwall, 1841) [2004].

2004 Microneta viaria — Tanasevitch & Trilikauskas: 83. MATERIAL. 1 #, B.R., P. Bureya River Valley, 300 m Nenilinium asiaticum Eskov, 1988 upstream of its mouth, 2–7.VII.2004, leg. L. Trilikauskas; 3 ##, Khabarovsk Province, Verchnebureinskiy Distr., Umalta- 2004 Nenilinium luteolum — Tanasevitch & Trilikauskas: 30. Makit River Valley, 1 km upstream of its mouth, 10.VIII.2004, MATERIAL. 12 ##, 27 $$, B.R., Bureya River Valley, 3.5 km leg. L. Trilikauskas. downstream of confluence of P. & L. Bureya, 22–27.V.2003, leg. A. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. Tanasevitch; 1 $, same locality, 24.VII.2004, leg. D. Logunov. DISTRIBUTION. Middle and East Siberia; through the Minicia marginella (Wider, 1834)* mountains of South Siberia via the Lake Baikal region east- ward to Khabarovsk Prov., Sakhalin. MATERIAL. 1 $, Khabarovsk Province, Bureya River Valley, near mouth of Umalta-Makit River, 03.VIII.2004, leg. D. Lo- Neriene clathrata (Sundevall, 1830) gunov. DISTRIBUTION. Europe, eastern Kazakhstan, Middle 2004 Neriene clathrata — Tanasevitch & Trilikauskas: 84. Asia, the Urals; West and East Siberia, Cisokhotia, Kha- MATERIAL. 1 $, Khabarovsk Province, Chegdomyn Village, barovsk Prov.; in South Siberia registered from Tuva and 02.VI.2000, leg. L. Trilikauskas; 1 #, B.R., L. Bureya River Sayan. Valley, Chapkhoz River Valley, 5–6 km upstream of its mouth, 11–12.VI.2005, leg. L. Trilikauskas. Minyrioloides trifrons ( O. Pickard-Cambridge, DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. 1863)*

MATERIAL. 1 #, 1 $, B.R., P. Bureya River Valley, Bureika Neriene oidedicata van Helsdingen, 1969* River basin, Siuriuktak River Valley, 300 m upstream of its mouth, 30.VII.2005, leg. L. Trilikauskas. MATERIAL. 1 $, Khabarovsk Province, Chegdomyn Village, DISTRIBUTION. Throughout the Holarctic. 03.IX.2001, leg. L. Trilikauskas; 3 ##, 3 $$, Bureya River Valley, near mouth of Niman River, 21–22.VI.2003, leg. L. Trilikauskas. Mughiphantes aculifer (Tanasevitch, 1988) DISTRIBUTION. Known from China, Japan and Korea 2004 Mughiphantes aculifer — Tanasevitch & Trilikauskas: 83. 2005 Mughiphantes aculifer — Trilikauskas: 213. Oreonetides helsdingeni Eskov, 1984 MATERIAL. 1 #, 3 $$, B.R., L. Bureya River Valley, 3 km upstream of Kuraigagna River mouth, 18–19.VIII.2004, leg. L. 2004 Oreonetides helsdingeni — Tanasevitch & Trilikaus- Trilikauskas. kas: 84. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. 2005 Oreonetides helsdingeni — Trilikauskas: 214. MATERIAL. 1 #, B.R., P. Bureya River Valley, near mouth Mughiphantes sachalinensis (Tanasevitch, 1988) of Bureika River, 21.VII.2005, leg. L. Trilikauskas. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. 2004 Mughiphantes sachalinensis — Tanasevitch & Trilikaus- kas: 83. MATERIAL. 1 #, B.R., Bureya River Valley, 2.5 km down- Oreonetides kolymensis Eskov, 1991* stream of confluence of P. and L. Bureya River, 06.IX.2003, leg. L. Trilikauskas. MATERIAL. 1 #, B.R., Bureya River Valley, 1 km down- DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. stream of confluence of P. and L. Bureya River, 16–21.VI.2004, leg. L. Trilikauskas. Mughiphantes taczanowskii (O. Pickard-Cambridge, DISTRIBUTION. East Siberia, Chukotka, Cisokhotia, 1873) Khabarovsk Prov.

2004 Mughiphantes taczanowskii — Tanasevitch & Trilikaus- Praestigia pini (Holm, 1950) * kas: 83. MATERIAL. 6 $$, B.R., L. Bureya River Valley, near mouth MATERIAL. 1 #, B.R., Bureya River Valley, 2.5 km down- of Vankish River, 22.VIII.2004, leg. L. Trilikauskas; 1 $, same stream of confluence of P. and L. Bureya River, 6–11.VI.2004, locality, Chapkhoz River Valley, 200 m upstream of its mouth, leg. L. Trilikauskas. 344 L.A.Trilikauskas & A.V.Tanasevitch

DISTRIBUTION. Northern Europe; in Siberia: from the Tmeticus nigriceps (Kulczyñski, 1916)* Urals eastward to East Siberia; through the mountains of South Siberia via the Lake Baikal region eastward to Kha- MATERIAL. 1 $, B.R., near mouth of P. Bureya River, barovsk Prov.; Sakhalin. Known also from Mongolia. 30.VI.2002, leg. L. Trilikauskas. DISTRIBUTION. Siberia: from the Urals eastward to Savignia basarukini Eskov, 1988* Chukotka, Khabarovsk Prov.

MATERIAL. 2 ##, B.R., P. Bureya River Valley, 300 m Tmeticus tolli Kulczyñski, 1908* upstream of the mouth, 01.VI.2003, leg. A. Tanasevitch. DISTRIBUTION. Amurskaya and Khabarovsk provin- MATERIAL. 1 #, B.R., L. Bureya River Valley, near mouth ces, Sakhalin. of Vankish River, 21.VIII.2004, leg. L. Trilikauskas; 1 #, same locality, Chapkhoz River Valley, 22.VIII.2004, leg. L. Trilikaus- kas; 5 ##, B.R., P. Bureya River Valley, Bureika River basin, Savignia bureensis Tanasevitch et Trilikauskas, Siuriuktak River Valley, 300 m upstream of its mouth, 2006 30.VII.2005, leg. L. Trilikauskas. DISTRIBUTION. Siberia: from Yenisey River to Chukot- 2006 Savignia bureensis — Tanasevitch et Trilikauskas: 269. ka, Cisokhotia; Kamchatka, Sakhalin; Amurskaya and Kha- COMMENTS. This species has been recently described barovsk provinces. from the Bureinsky Reserve by Tanasevitch & Trilikauskas [2006]: upper reaches of Bureya River, mouth of Levyi Trematocephalus cristatus (Wider, 1834)* Ussomakh Stream, Larix forest, in lichen. DISTRIBUTION. Amurskaya and Khabarovsk provin- MATERIAL. 2 $$, B.R., Bureya River Valley, 3.5 km down- ces. stream of confluence of P. and L. Bureya River, 2-5.VIII.2004, leg. D. Logunov; 2 $$, B.R., P. Bureya River Valley, 300 m upstream Silometopoides sibiricus (Eskov, 1989)* of the mouth, 06.VIII.2004, leg. D. Logunov & L. Trilikauskas. DISTRIBUTION. Widespread in Europe, known from MATERIAL. 2 ##, 4 $$, B.R., Bureya River Valley, 2.5 km the Caucasus and the Urals. In Siberia: West Siberia; through downstream of confluence of P. and L. Bureya River, 25.VII.2004, the mountains of South Siberia via the Lake Baikal region leg. D. Logunov. eastward to Amurskaya, Khabarovsk and Maritime provin- DISTRIBUTION. The Urals, East Siberia, Sayan (South ces. Known also from China. Siberia), Khabarovsk Prov. Ummeliata sibirica (Eskov, 1980)* Styloctetor romanus (O. Pickard-Cambridge, 1872)* MATERIAL. 1 $, Khabarovsk Province, Chegdomyn Village, MATERIAL. 2 ##, Khabarovsk Province, Bureya River IX.2002, leg. L. Trilikauskas. Valley, near mouth of Umalta-Makit River, 03.VIII.2004, leg. D. DISTRIBUTION. Middle Siberia; through the moun- Logunov. tains of South Siberia via the Lake Baikal region eastward to DISTRIBUTION. Throughout the Palaearctic. Khabarovsk and Maritime provinces.

Theoneta aterrima (Eskov et Marusik, 1991)* Viktorium putoranicum Eskov, 1988*

MATERIAL. 1 #, B.R., P. Bureya River Valley, upper MATERIAL. 1 #, B.R., L. Bureya River Valley, 3 km upstream reaches of Lednikovy River, 11–17.VI.2000, leg. L. Trilikauskas; of Kuraigagna River mouth, 19.VIII.2004, leg. L. Trilikauskas. 2 ##, upper reaches of the Bureya River, Umalta – Makit DISTRIBUTION. The Urals, Middle and East Siberia; River Valley, 10.VIII.2004, leg. D. Logunov; 2 $$, B.R., L. Bureya Tuva, Sayan (South Siberia); Khabarovsk Prov., Sakhalin. River Valley, 3 km upstream of Kuraigagna River mouth, 18.VIII.2004, leg. L. Trilikauskas; 1 #, 2 $$, B.R., P. Bureya Wabasso tungusicus Eskov, 1988* River Valley, near mouth of Bureika River, 21.VII.2005, 29.VII– 02.VIII.2005, leg. L. Trilikauskas. MATERIAL. 1 $, B.R., Bureya River Valley, 3.5 km down- DISTRIBUTION. Amurskaya and Khabarovsk provin- stream of confluence of P. and L. Bureya River, 25.V.2003, leg. ces. A. Tanasevitch. DISTRIBUTION. Middle Siberia, Cisokhotia, Amur- Theoneta saaristoi (Eskov et Marusik, 1991) skaya and Khabarovsk provinces.

2004 Theoneta saaristoi — Tanasevitch & Trilikauskas, Ar- Walckenaeria auranticeps (Emerton, 1882)* thropoda Selecta, 13 (1–2): 85. MATERIAL. 1 #, 6 $$, B.R., L. Bureya River Valley, 3 km MATERIAL. 1 #, Khabarovsk Province, Chegdomyn Vil- upstream of Kuraigagna River mouth, 19.VIII.2004, leg. L. lage, 01.VI.2005, leg. L. Trilikauskas Trilikauskas. DISTRIBUTION. East Siberia, Cisokhotia; in South Si- DISTRIBUTION. See Tanasevitch & Trilikauskas beria known from Tuva and Sayan, Amurskaya and Kha- [2004]. barovsk provinces. Widespread in the Nearctic.

Tibioplus diversus (L. Koch, 1879)* Walckenaeria karpinskii (O. Pickard-Cambridge, 1873) MATERIAL. 1 $, B.R., P. Bureya River Valley, near mouth of Bureika River, 21.VII.2005, leg. L. Trilikauskas. 2004 Walckenaeria karpinskii — Tanasevitch & Trilikaus- DISTRIBUTION. Throughout the Holarctic. kas: 86. New records of the linyphiid spiders from the Bureinsky Nature Reserve 345

2005 Walckenaeria karpinskii — Trilikauskas: 214. ACKNOWLEDGEMENTS. This work has been sup- MATERIAL. 1 #, 2 $$, B.R., L. Bureya River Valley, 3 km ported in part by the Russian Foundation for the Basic upstream of Kuraigagna River mouth, 19.VIII.2004, leg. L. Trilikauskas. Research (RFFI). Project 02-04-49742. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004].

Walckenaeria korobeinikovi Esyunin Efimik, 1996 References

2004 Walckenaeria korobeinikovi — Tanasevitch & Trilikaus- Tanasevitch A.V. 2006. New or little-known Maro O.P.-Cam- kas: 86. bridge from Siberia and the Russian Far East (Aranei: 2005 Walckenaeria korobeinikovi — Trilikauskas: 214. Linyphiidae: Micronetinae) // Arthropoda Selecta. Vol.14. MATERIAL. 1 $, B.R., L. Bureya River Valley, 3 km up- No.3. P.259–268. stream of Kuraigagna River mouth, 18–19.VIII.2004, leg. L. Tanasevitch A.V., Trilikauskas L.A. 2004. Check-list of the Trilikauskas; 1 $, B.R., P. Bureya River Valley, near mouth of linyphiid spiders of the Bureinsky State Nature Reserve Lednikovy River, 18–25.VII.2005, leg. L. Trilikauskas. and adjacent territories, Russian Far East (Aranei: Linyphi- DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. idae) // Arthropoda Selecta. Vol.13. No.1–2. P.77–86. Tanasevitch A. V., Trilikauskas L.A. 2006. A new species of the Savignia Blackwall from the Khabarovsk Province, Zornella cultrigera (L. Koch, 1879) Russian Far East (Aranei: Linyphiidae: ) // Ar- thropoda Selecta. Vol.14. No.3. P.269–270. 2004 Zornella cultrigera — Tanasevitch & Trilikauskas: 86. Trilikauskas L.A. 2000. Notes on the fauna (Aranei) of 2005 Zornella cultrigera — Trilikauskas: 214. the upper reaches of Bureya River (Khabarovsk Province) // MATERIAL. 1 $, B.R., P. Bureya River Valley, upper reaches Arthropoda Selecta. Vol.9. No.3. P.215–220. of Lednikovy River, 8-21.VII.2005, leg. L. Trilikauskas; 1 $, Trilikauskas L.A. 2005. Spiders of the larch forests of the same locality, near mouth of Lednikovy River, 9–18.VII.2005, Bureinsky reserve and contiguous territories: annotated list leg. L. Trilikauskas; 3 $$, same locality, near mouth of Bureika of species // Issledovanie i konstruirovanie landshaftov River, 29.VII–02.VIII.2005, leg. L. Trilikauskas. Dalnego Vostoka i Sibiri. Ed. Urusov V.M. Vladivostok. DISTRIBUTION. See Tanasevitch & Trilikauskas [2004]. Dalnauka. No.6. P.207–217 [in Russian].