关键词: 双翅目, 蝇科, 巨黑蝇属, 新种, 新纪录种

Abstract: In this paper two new species and a new record of the genus Megophyra Emden,1965 are described from western mountainous region of Sichuan Prov.,China.The type and new record specimens are preserved in the Medical Entomological Museum,Institute of Microbiology and Epidemiology,Academy of Military Medical Sciences,Beijing,China.1 Megophyrapedanocerca sp.nov.(Fig.1)♂:Body length 9.0mm.This new species is similar to Megophyra mimimultisetosaFeng,2000,but differs from the latter in having theac3+1,dc 2+4,male surstyli back-curved and postmargin sunken on apical part in lateral view;cerci very short,length about 1.7 times of its width on middle part in lateral view.♀:Unknown.Holotype♂,Mt.Erlang Forest Farm(2 690m,29°53N,102°10E),Sichuan Prov.,8,Jul.,1984,taken by Feng Yan.2 Megophyra nigritibia sp.nov.(Fig.2) ♂:Body length 9.0mm.This new species is similar to Megophyra fuscitibiaEmden,1965,but differs from the latter in having the ac2+1;interfrontalia present;male cerci narrower on posterior view;5th sternite lateral lobe inward on apical part in ventral view.♀:Unknown.Holotype ♂,Mt.Erlang Forest Farm(2 680m),Sichuan Prov.,1,Jul.,1988,taken by Feng Yan.3 Megophyra fuscitibia Emden,1965 N.R.(Fig.3)The materials of the newly recorded species have been collected from Mt.Erlang of Sichuan,China.It was originally reported from Burma,some further notes on characters of male are given in the Chinese text.