Fomichev A.A.1,2, Marusik Yu.M.3, Koponen S.4 2014. A new species of Xysticus C.L. Koch, 1835 (Aranei: Thomisidae) from South Siberia // Arthropoda Selecta. Vol.23. No.2: 127–134 [in English].

1 Novosibirsk State Pedagogical University, Vilyuiskaya 28, Novosibirsk 630126, Russia. E-mail: 

2 Institute of Systematics and Ecology of Animals, SB RAS, Frunze str., 11, Novosibirsk 91, 630091, Russia.

3 Institute of Biological Problems of the North, RAS, Portovaya Str. 18, Magadan 685000, Russia. E-mail:

4 Zoological Museum, University of Turku, FI-20014 Turku, Finland.

KEY WORDS: Altai, China, Russia, Tuva, Xinjiang, spider, Aranei.

ABSTRACT. A new species, Xysticus lehtineni sp.n., is described from South Siberia on the basis of both sexes. It is closely related to X. baltistanus (Caporiacco, 1935) known from northern Pakistan to northeastern Asia. The two species clearly differ in size, abdominal pattern, spination and in the shape of the copulatory organs (male palp and female epigyne). Most of the records of X. baltistanus from Tuva refer to this new species.

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