山西、河南、陕西三省交界处黄河流域的数种狼蛛(蜘蛛目:狼蛛科)

THE LYCOSID SPECIES IN THE YELLOW RIVER VALLEY OF SHANXI, HENAN AND SHAANXI (ARANEAE: LYCOSIDAE)

本文记述了采自晋、豫、陕三省交界处黄河流域的8种狼蛛,其中一种为新种Pardosa dukouensis sp.nov,采自山西风陵渡口及陕西西安草滩。

This paper deals with eight species of the family Lycosidae from the Yellow River valley of Shanxi, Henan and Shaanxi, including one new species.Pardosa dukouensis sp. nov. (fig, a-c)Holotype ♀, Fenglingdu, Shaanxi Province (35°N, 110°E), July 2, 1988. Paratypes 3♀♀, Xian, Shaanxi Province (34°N, 109°E), July 22, 1989.Length of female 5.37mm. Carapace yellowish brown. Median band with a small marking in the anterior enlarged area. First row of eyes procurved and shorter than second row. Eyes of the first row equal in size. The distance of AME larger than that of ALE. The height of clypeus 3 times the diameter of AME. Two margin of chelicera each with three teeth. Legs with clear annular band. Ventral surface of abdomen deep brown.This new species can be easily distinguished from other Pardosa species by its structure of epigynum.