Marusik Yu.M.1, Ryabukhin A.S.2, Kuzminykh G.V.3 2010. New data on spiders and harvestmen (Arachnida: Aranei & Opiliones) from Western Koryakia, Kamchatka Peninsula // Arthropoda Selecta. Vol.19. No.4: 283–293 [in English].

Institute for biological problems of the North, FEB RAS, Magadan 685000 Russia.

1 yurmar@mail.ru 2 asryabukhin@mail.ru 3 green_grinch@mail.ru

KEY WORDS: Northeast Asia, Far East Asia, new record, Kamchatka Province.

ABSTRACT. Eighty-eight species of spiders and one species of harvestman are reported on from western Kamchatka. Eighty-five spider species and one Opiliones species are found in Koryakia for the first time. Among them, 31 species of spiders are new to Kamchatka Province; one of them, Ozyptila gertschi, is new to the far eastern Palaearctic. One species, Oedothorax trilobatus, which is well-known in the Nearctic, is new to Palaearctic. All interesting issues are commented upon. Three species Asperthorax borealis, Oedothorax trilobatus and Ozyptila gertschi are illustrated.

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