Marusik Yu.M.1, Omelko M.M.2, Koponen S.3 2010. A survey of the East Palaearctic Lycosidae (Aranei). 5. Taxonomic notes on the easternmost Palaearctic Pirata species and on the genus Piratosa Roewer, 1960 // Arthropoda Selecta. Vol.19. No.1: 29–36 [in English].

1 Institute for Biological Problems of the North RAS, Portovaya Str. 18, Magadan 685000 Russia. E-mail: yurmar@mail.ru

2 Gornotayozhnaya Station FEB RAS, Gornotayozhnoye Vil., Ussuriyski Dist., Primorski Krai, 692533 Russia.

3 Zoological Museum, University of Turku, FI-20014 Turku Finland. E-mail: sepkopo@utu.fi

KEY WORDS: Far East, Siberia, wolf spiders, new synonymy, new combination.

ABSTRACT. Study of the paratypes of Pirata shibatai Tanaka, 1995 syn.n. from Hokkaido, Japan revealed that it is a junior synonym of P. praedo Kulczyński, 1885 described from Kamchatka and known throughout the whole of Siberia and the Russian Far East. Trochosa dybowskii Kulczyński, 1885 syn.n. described and known only from Kamchatka is synonymized with the circum-Holarctic Trochosa terricola Thorell, 1856. The genus Piratosa Roewer, 1960 syn.n. (type species Trochosa dybowskii Kulczyński, 1885) is synonymized with Trochosa C.L. Koch, 1847. Two new combinations are established: Arctosa lawrencei (Roewer, 1960) comb.n. and A. bicoloripes (Roewer, 1960) comb.n. both ex. Piratosa.

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