新疆阳蝇属Helina R.—D.二新种（双翅目：蝇科）

记述采自新疆蝇属Helina R.-D．2新种，托木尔阳蝇Helina tuomuerra,sp,nov。和新疆阳蝇Helina xinjiangensis,sp.nov.模式标本保存于中国科学院动物研究所。

Two New Species of the Genus Helina R. -D. (Diptera: Muscidae) from Xinjiang, China

The present paper describes two new species of the genus Helina from Xinjiang Uygur Autonomous Region, China, i. e. Helina tuomuerra, sp. nov. and Helina xinjiangensis, sp. nov.. All the types are deposited in the Institute of Zoology, the Chinese Academy of Sciences. 1. Helina tuomuerra, sp. nov. (Figs.1～3) 　　This new species is allied to Helina maae Xue et Li, 2000, but it differs from the latter by: mid tibia with lad; hind tibia with 2 ad and 2～3 prebasal pd, without a row of p setae, distal 1/4 of hind femur with 5～6 pv; frons slightly open, about 2.0～2.5 times the width of front ocellus, longest hair of arista about 1.2 times the width of 3rd antennal segment; apical part of cerci narrower. 　　Holotype ♂, Mt. Tuomuerfeng, Xinjiang Uygur Autonomous Region, 3200 m, 10-Ⅶ-1977, by Li Changjiang. 2. Helina xinjiangensis, sp. nov. (Figs.4～6) 　　This new species is similar to Helina hunyuanensis Wang et Xue, 1990, but can be distinguished from the latter in the ori about 8 pairs; pra absent; legs entirely black, hind tibia with 3 av; 3rd to 5th tergites of abdomen with a pair spots respectively, and with one median stripe on the 5th tergite. 　　Holotype ♂, Tielieke, Bostan, Xinjiang Uygur Autonomous Region, 2500 m, 08-Ⅶ-1959, by Wang Shuyong.