西藏合腹茧蜂属一新种记述（膜翅目：茧蜂科：甲腹茧蜂亚科）

合腹茧蜂属Phanerotomella Szepligeti中国已知7种，本文报道1新种，西藏合腹茧蜂P.xizangensis,sp.nov.，并附中国已知种检索表，模式标本保存于浙江大学应用昆虫研究所。

A New Species of the Genus Phanerotomella Szepligeti (Hymenoptera: Braconidae:Chelnoninae) from Xizang, China

Seven species of the genus Phanerotomella Szepligeti were previously reported from China: P. bicoloratus He et Chen, 1995, P. bouceki Zettel, 1989,P. pulchra Fahtinger, 1934, P. sinensis Zettel, 1989, P. taiwanensis Zettel, 1989, P. townesi Zettel, 1989, and P. zhejiangensis He et Chen, 1995. The eighth species of this genus from China is described in this paper: P. xizangensis He et Chen, sp. nov.. The type is kept in the Parasitic Hymenoptera Collection, Institute of Applied Entomology, Zhejiang University, Hangzhou. Phanerotomella xizangensis He et Chen, sp. nov. (Figs. 1～7) 　　This species is similar to P. bouceki Zettel, 1989, but can be separated from the latter by having the temple in dorsal view 1.2 times eye, width of face as long as height of face and clypeus combined, face with a dorsal median small tubercle, and below this tubercle with fine divergent rugae, propodeum with 4 strong teeth and a distinct week transverse carina, second submarginal cell with a short petiole dorsally, length of vein 1-CU1 of fore wing 0.37 times vein 2-CU1, length of carapace 1.85 times its width, and carapace with comb-like rugae, body black to blackish brown. 　　Holotype, ♀, Xizang, Tongmai (20.1°N, 95.0°E), 2050 m, 26-Ⅶ-1978, Li Fasheng, no. 871937.