Arthropoda Selecta 19(4): 283293 © ARTHROPODA SELECTA, 2010 New data on spiders and harvestmen (Arachnida: Aranei & Opiliones) from Western Koryakia, Kamchatka Peninsula Íîâûå äàííûå î ïàóêàõ è ñåíîêîñöàõ (Arachnida: Aranei & Opiliones) Çàïàäíîé Êîðÿêèè, Êàì÷àòêà Yuri M. Marusik1,2,5, Alexander S. Ryabukhin1,3 & Grigory V. Kuzminykh1,4 Þ.Ì. Ìàðóñèê1,2,5, À.Ñ. Ðÿáóõèí1,3, Ã.Â. Êóçüìèíûõ1,4 1 Institute for biological problems of the North, FEB RAS, Magadan 685000 Russia. Èíñòèòóò áèîëîãè÷åñêèõ ïðîáëåì Ñåâåðà ÄÂÎ ÐÀÍ, Ìàãàäàí 685000. 2 [email protected] 3 [email protected] 4 [email protected] 5 Zoological Museum, University of Turku, FI-20014 Turku Finland. KEY WORDS: Northeast Asia, Far East Asia, new record, Kamchatka Province. ÊËÞ×ÅÂÛÅ ÑËÎÂÀ: Ñåâåðî-Âîñòîê Àçèè, Äàëüíèé Âîñòîê, íîâàÿ íàõîäêà, Êàì÷àòñêèé êðàé. ABSTRACT. Eighty-eight species of spiders and spider faunas ranging from 430 to 630 [Marusik, 2007]. one species of harvestman are reported on from west- Moreover, it is almost the only region east of Yenisei ern Kamchatka. Eighty-five spider species and one Opil- that has no check-list. It is evident that number of iones species are found in Koryakia for the first time. species in Kamchatka is much higher. Small number of Among them, 31 species of spiders are new to Kam- reported species can be easily explained by lack of chatka Province; one of them, Ozyptila gertschi, is new collected efforts during almost 70 years, and a corre- to the far eastern Palaearctic. One species, Oedothorax sponding lack of faunistic publications. The first publi- trilobatus, which is well-known in the Nearctic, is new cation about spiders of Kamchatka was published by to Palaearctic. All interesting issues are commented Kulczyñski [1885]. He reported over 130 species. The upon. Three species Asperthorax borealis, Oedotho- following three papers [Kulczyñski, 1926; Schenkel, rax trilobatus and Ozyptila gertschi are illustrated. 1930; Sytshevskaja, 1935] added almost 70 species new to the fauna of peninsula. About two dozen spe- ÐÅÇÞÌÅ.  çàïàäíîé Êîðÿêèè, â îêðåñòíîñòÿõ cies were reported in several taxonomic papers or fau- ïîñ¸ëêà Òèãèëü îòìå÷åíî 88 âèäîâ ïàóêîâ è îäèí nistic publications dealing with whole Northern Asia âèä ñåíîêîñöà. Èç íèõ 85 âèäîâ ïàóêîâ íàéäåíû â [Marusik et al., 1992; Eskov & Marusik, 1994; Êîðÿêèè âïåðâûå, ñåíîêîñöû ðàíåå íå áûëè èçâåñ- Mikhailov & Marusik, 1995; Marsuik & Koponen, òíû â ðåãèîíå. 31 âèä ïàóêîâ âïåðâûå çàðåãèñòðè- 2010, etc.]. At the same time few species were re- ðîâàíû íà Êàì÷àòêå, èç íèõ Ozyptila gertschi âïåð- moved from the list because of synonymies or incor- âûå îòìå÷àåòñÿ äëÿ Àçèè, à Oedothorax trilobatus rect original identifications. Almost all species were âïåðâûå íàéäåí â Ïàëåàðêòèêå. Ïðèâîäÿòñÿ ñïèñîê reported from southeastern part of peninsula between âèäîâ, âñå èíòðåñíûå íàõîäêè ïðîêîììåíòèðîâà- Petropavlovsk-Kamchatski and Ust-Kamchatsk. Kory- íû. Asperthorax borealis, Oedothorax trilobatus è akia, a separate administrative unit within the Kam- Ozyptila gertschi ïðîèëëþñòðèðîâàííû. chatka Province, occupying northern and northwestern parts of Peninsula and adjacent territories, was almost Introduction entirely unknown. Only six species Allomengea scopig- era (Grube, 1859), Bathyphantes eumenis (L. Koch, Kamchatka is a poorly studied region in Eastern 1879), B. gulkana Ivie, 1969, B. pogonias Kulczyñski, Palaearctic in respect of its spider fauna. Only some 1885, Collinsia holmgreni (Thorell, 1872) and Tmeti- 190 species are known from there [Mikhailov, 1997, cus affinis (Blackwall, 1855) have been reported from 2002]. For example, adjacent regions such as Sakhalin northwestern Koryakia in a check-list of northeastern and Magadan have much more diverse fauna with 420 Asia [Marusik et al., 1992]. Recently the second author and 560 species, respectively [Marusik et al., 1992, had the opportunity to undertake an expedition to west- 1993a]. More distant areas have also more diverse ern Koryakia to collect beetles. During this expedition 284 Y.M. Marusik, A.S. Ryabukhin & G.V. Kuzminykh he collected almost 650 specimens of spiders and har- vestmen belonging to 89 morphospecies. 34 of them are new to Kamchatka and almost all species (except three species, Allomengea scopigera, Bathyphantes eumenis and B. pogonias) are new to Koryakia. One species collected in Koryakia is new to Palaearctic and one species is new to Asia. Goal of this paper is to present a new data about spiders of Kamchatka Prov- ince and Koryakia in particular. Material and methods All spiders were collected by the second author in environs of Tigil Village (ca. 57°46N 158°40E) in western Koryakia (Map 1). All material was collected either by sifting litter or hand picking in lowland habi- tats. Although total number of samples taken in the field was 23, we combined all of them into three groups according the type of habitats: 1) birch stands with Map 1. Kamchatka Peninsula. Collecting locality arrowed. Pinus pumula on south-east exposed slopes on low Êàðòà 1. Ïîëóîñòðîâ Êàì÷àòêà. Ìåñòî ñáîðà ìàòåðèàëà hills, 2) willow, and willow-alder stands on high river óêàçàíî ñòðåëêîé. terrace and in river valley, and 3) boggy habitats. Few specimens were collected by hand picking or sweeping et al., 1993b], and north to Chaun Bay [Marusik et al., in several habitats. Pitfall traps we not used. Spiders 1992]. In the Nearctic it was found in Alaska (personal were preserved in 75% alcohol. Material will be shared data) and along western border of Yukon Territory between the Zoological Museum of the Moscow State [Dondale et al., 1997]. A. yukon is rather a common University and the Manchester Museum, University of species in the adjacent Magadan Area. It is very likely Manchester, UK. that previous records of A. quadratus Clerk, 1757, For all species new to Kamchatka and all unidenti- from Kamchatka refer to this species. fied specimens, we provide comments, and in three cases, references for most appropriate identification GNAPHOSIDAE sources. Specimens were photographed using an Olympus Haplodrassus soerenseni (Strand, 1900)? Camedia E-520 camera attached to an Olympus SZX16 stereomicroscope. The images were montaged using COMMENTS. The species is new to Kamchatka. CombineZM image stacking software. Photographs It has trans-Palaearctic boreo-nemoral range [Marusik were taken in dishes of different size with paraffin at et al., 1996, 2000] and common in adjacent Ma- the bottom. Different sized holes were made in the gadan Area. Although identification of juvenile Hap- bottom to keep the specimens in the correct position. lodrassus specimens is almost impossible, we iden- tified our specimens according to the size of sub- Survey of species new to Kamchatka and adult males and habitats. Other species occurring in unidentified species adjacent Magadan Area are either larger or live in different habitats. ARANEIDAE LINYPHIIDAE Araneus nordmanni (Thorell, 1870) Agyneta mollis (O. Pickard-Cambridge, 1871) COMMENTS. This species is new to Kamchatka. It has a circum-Holarctic range and is known in the COMMENTS. This species in new to Kamchat- adjacent Magadan Area [Marusik et al., 1992], and ka. It has a trans-PalaearcticAlaskan range and is most of North America [Levi, 1971; Dondale et al., known in the adjacent Kuril Islands (personal data), 2003]. although it is not known from the well- studied Ma- gadan Area. Araneus yukon Levi, 1971 Agyneta aff. trifurcata Hippa et Oksala, 1985 COMMENTS. The species is new to Kamchatka. It has an East Siberian northwestern Nearctic range and COMMENTS. It is impossible to identify this spe- occurs from western Yakutia to south Yakutia [Marusik cies with certainty without males. New data on spiders and harvestmen from Koryakia 285 Agyneta sp. COMMENTS. Female specimens from Tigil Vil- lage may belong either to A. allosubtilis Loksa, 1965 or A. olivacea (Emerton, 1882). Females of these two species are very similar. The former species was al- ready reported from Kamchatka [Mikhailov, 1997], and A. olivacea is common species in the northeastern Asia. Aphileta misera (O. Pickard-Cambridge, 1882) COMMENTS. This species is new to Kamchatka. It has a circum-Holarctic range. In adjacent Magadan Area it is known from the coastal part [Marusik, 2005]. Asperthorax borealis Ono et Saito, 2001 Figs 12. A. b. Ono & Saito, 2001: 163, f. 611 (#$). A. b. Ono et al., 2009: 274, f. 183188 (#$). Comparative material examined: 2 ## 3 $$, RUSSIA, Kha- barovsk Prov., env. of Khabarovsk, Bychikha Vill., secondary for- est, 11.09.2005 (Y.M. Marusik) COMMENTS. This species is new to Kamchatka and our record represents the most northeastern locali- ty of the species. A. borealis was known from Hok- kaido and Moneron Islands and in the environs of Khabarovsk [Marusik et al., 2007c]. The new locality is separated from the nearest locality by about 1700 Figs 12. Female Asperthorax borealis: 1 habitus, dorsal; km. We compared specimens from Kamchatka and 2 epigyne, ventral. Khabarovsk and found no differences. It is worth men- Ðèñ. 12. Ñàìêà Asperthorax borealis: 1 âíåøíèé âèä, ñâåðõó; 2 ýïèãèíà, ñíèçó. tioning that Ono & Saito [2001] in the original descrip- tion mentioned presence of Tm IV. Trichobothrium on metatarsus IV on the specimen from Kamchatka and kia east to Koryakia (the easternmost locality of the those from Khabarovsk is absent. range) and southward to Amur River [Eskov, 1994]. Ceraticellus bulbosus (Emerton, 1882) Hilaira sibirica Eskov, 1987 COMMENTS. This species is new to Kamchatka. COMMENTS. This species is new to Kamchatka. It has a circum-Holarctic range and known in Magadan It has a Siberio-Alaskan hypoarctic range and known Area. from Putorana Plateau southward to north Tuva, north- east to Chukotka [Marusik et al., 1992; Eskov, 1994]. Ceratinella sp. 1 In the Nearctic, H. sibirica was recorded from Alaska and Yukon Territory only [Dondale et al., 1997]. COMMENTS. So far, only one species, C. brevis (Wider, 1834) has been reported from Kamchatka. Our Hybauchenidium gibbosum (Soerensen, 1898) specimens have a dorsal abdominal scutum and might belong to this species, but the lack of a male does not COMMENTS.