中国四川阳蝇属二新种(双翅目:蝇科)

Two New Species of the Genus Helina from Western Sichuan,China (Diptera:Muscidae)

记述采自中国四川西部蝇科阳蝇属 (HelinaRobineau Desvoidy ,183 0 )二新种 :华丽阳蝇Helinacallia ,sp .nov .及叉叶阳蝇Helinadicrocercacma ,sp .nov .。模式标本存于中国科学院上海生命科学研究院植物生理生态研究所。

This paper described that two new species of the genus Helina Robineau-Desvoidy,1830 from mountainous area of western Sichuan during 1979-2002.All type specimens are deposited in the institute of plant physiology and Ecology,Shanghai Institute for Biological Sciences,Chinese Academy of Sciences,Shanghai,China. 1 Helina callia sp.nov.(Fig.1) ♂: Body length 7.0 mm; bodies and legs black. This new species is similar to Helina deleta (Stein, 1914), but the latter without P seta on fore tibia; surstyli as in long as cercus and long form in lateral view; cercus thin and sharp-like in lateral view. ♀:Unknown. Holotype ♂,Mt.Erlang (Forest Farm,2 684 m,29°53′N,102°10′E),Sichuan Prov.,24 May 1984,Coll. Feng Yan. 2 Helina dicrocercacma,sp.nov.(Fig.2) ♂:Body length 6.0 mm;bodies black,femora and tibiae yellow.This new species is similar to Helina longiquadrata Xue et Wang,1986,but in the latter,the 3rd and 4th tergites with spots;epistoma not protruding;eyes bare;male cercus without a outer projection on apical margin in posterior view. ♀:Unknown. Holotype ♂,Hanyuan (Mt.Jiaoding,3 550 m;29°23′N,102°51′E),Sichuan Prov.,23 Jun.1987,Coll, Feng Yan.