摘要
系统地研究了分布于中国的尖顶蚱属种类共计16种,其中有1新种,即二垫尖顶蚱Teredorusbipulvillus,sp.nov.。提供了分种检索表。模式标本保存于陕西师范大学动物研究所。
The Teredorus Hancock from China was reviewed, with 16 species recorded, including one new species： Teredorus bipulvillus sp. nov. The type specimens are kepted in the Institute of Zoology, Shaanxi Normal University.
1. Teredorus bipulvillus, sp. nov. （Figs. 1-4）
Female： Size small, long and narrow, length of body （from vertex to the top of hind process） 3.5 times its width; vertex very narrow, anterior margin sharp; frontal ridge and vertex forming an obtuse angular in profile. Antennae filiform, inserted under the lower margin of eyes. Disc of pronotum smooth, anterior margin straight, midkeel of pronotum distinctly; upper margin of pronotum slightly waved before shoulders and straight behind shoulders in profile; hind process long conical, reaching over the top of hind femur; hind wing reaching the top of hind process. Lower margin of midfemur straight, its width slightly narrower than the width of tegmen; first segment of hind tarsi only with two large pulvilli. Length of subgenital plate slightly longer than its width, with a triangular process in the middle of hind margin.
Length of body （from vertex to the top of hind process）： ♀ ： 14.0～14.5 mm; length of pronotum： ♀ ： 13.0～13.2mm; length of hind femur：♀： 7.0～8.0 mm.
Holotype： ♀; Paratype： 1♀, Zhouzhi County （Louguantai）, Shaanxi Province, 23-Ⅸ-2001, collected by ZHENG Zhe-min.
This new species differs from all species of the genus by the first segment of hind tarsi only with two large pulvilli.
Etymology： The name of the species is derived from the Latin pulvillus and prefix bi-, referring the first segment of hind tarsi only with two pulvilli.
