云南省丽蝇族二新种(双翅目:丽蝇科)

TWO NEW SPECIES BELONGING TO TRIBE CALLIPHORINI FROM YUNNAN,CHINA(DIPTERA:CALLIPHORIDAE)

本文报道的丽蝇族两新种,分别隶属于蜗蝇属(Melinda Robineau-Desvoidy,1830)和拟粉蝇属(Polleniopsis Townsend,1917),模式标本均保存在中国科学院上海昆虫研究所。一、小黑蜗蝇Melinda nigrella新种(图1—3)

In the present paper,two new species of Calliphorini are described.All the types are preserved in the Shanghai Institute of Entomology,Academia sinica.Melinda nigrella sp.nov.(figs 1-3)(?)Body length 4.5mm.The new species differs from all other known species of this genus in having the combination of the following characters:Body little and dark,posterior tuft of supra-squamal setae absent.The basal part of 5th sternite largely polish and without a fenestra.male genitalia:Anal cercus straight in posterior margin,apex slightly bent forwrd,length of free arm measures distal one-third length.Type locality:Qiao-jia,Yunnan(Holotype(?),2650m.8.r6.1984.Coll.Zhang Chong-jun).Polleniopsis yunnanensis sp.nov.(figs 4-7)(?)Body length 9.0mm.The new species similar to Polleniopsis dalatensis Kurahashi,1972 and P.fukienensis Kurahashi,1972,but may be easily distinguished from them by the width of parafacia equal to a distance between two vibrissae;postscutal acrostichal bristles 3.Legs black;mid tibia with 2 ad and 2 pd.The apical part of surstylus somewhat rhomboid in profile.Type locality:Qiao-jia,Yunnan(Holotype(?),2650m,8.Ⅵ.1984.Coll.Zhang Chong-jun).