关键词: 双翅目, 蝇科, 秽蝇属, 新种

Abstract: This paper describes a new species of the Genus coenosia Meigen from Neimenggu Autonomous Region, China. The type specimen is deposited in the Health and Anti-epidemic Station of Neimenggu Autonomous Region. Coenosia erdosica sp.nov.(Figs.1-3)This new species is similar to Coenosia ambulans Meigen,1826,but differs from the latter in propleural bristles 2;r₄₊₅ and m₁₊₂ both parallel;legs almost wholly yellow;and apparente different of form of terminalia.Holotype ♂, Yijinhuoluo county, Neimenggu Autonomous Region, 109°50′E,39°20′N, 1 400m,wilderness,03-Ⅶ-1979,collected by Tian Zhaofeng.