【摘要】 1979～ 2 0 0 2年在四川西部地区采获的成蝇标本中 ,发现蝇科棘蝇亚科Phaoniinae棘蝇族Phaoniini阳蝇属HelinaRobineau Desvoidy ,1830 4新种 :轿顶山阳蝇Helinajiaodingshanicasp .nov .,露齿阳蝇Helinaphantodontasp .nov .,短阳阳蝇Helinabrachytophallasp .nov .及刃叶阳蝇Helinagladisurstylatasp .nov。模式标本存中国科学院上海生命科学研究院植物生理生态研究所更多还原

【Abstract】 This paper describes four new species of the genus Helina Robineau-Desvoidy 1830,collected from mountainous region of the western part of sichuan Province during 1979～2002 years,i.e.Helina jiaodingshanica sp.nov.,Helina phantodonta sp.nov.,Helina brachytophalla sp.nov.and Helina gladisurstylata sp.nov..The type specimens are deposited in the lnstitute of plant physiology & Ecology,shanghai lnstitutes for Biological Sciences,Chinese Academy of Sciences,Shaghai,China 1.Helina jiaodingshanica sp.nov.(Fig.1～4) ♂:Body length 6.0mm;body and legs black.This new species is closely related to Helina maquensis Wu,1989,but differes from the latter in:Epistoma not protruding;lst sternite bare;length of 3rd antennal segment about 2.5 times of its width;upper margin of male cercus without fascicle of long hairs at middle in posterior view,basal part of cercus about 3 times as wide as its distal part in lateral view. ♀:Unknown. Holotype ♂,Hanyuan(Mt.Jiaoding, 3 550m;29°23′N,102°51′E),Sichuan Prov.,Ⅱ-Ⅶ-1988,coll.by Feng Yan.,paratypes 2 ♂♂ ,same as holotype. 2.Helina phantodonta sp.nov.(Fig.5～8) ♂:Body length 6.0mm;body and legs black.This new species is closely related to Helina deleta(Stein,1914),but differs from the latter in:Arista pubescent;fore tibia with one P seta;subapical portion of male cercus concave on outer margin in posterior view,and with a dent on anterior margin in lateral view. ♀:Unknow. Holotype ♂,Hanyuan(Mt.Jiaoding),Sichuan Prov.23-Ⅵ-1983,coll.by Feng Yan. 3.Helina brachytophalla sp.nov.(Fig.9～12) ♂:Body length 7.0mm;body and legs black.This new species is closely related to Helina nigriannosa Xue et Zhao,1989,but differs from the latter in:The cross veins r-m and m-m dark cloudy;mid tibia with 3 pv setae;hind tibia with 6～7 P setae;male cerci expanding on both sides in posterior view;surstyli semilunar in lateral view. ♀:Unknown. Holotype ♂,Mt.Erlang(Muyepeng, 2 800m;29°53′N,102°10′E),Sichuan Prov.,Ⅱ-Ⅶ-1983,coll.by Feng Yan. 4.Helina gladisurstylata sp.nov.(Fig.13～16) ♂:Body length 7.0mm;body black,legs yellow partially.This new species is closely related to Helina spinicauda Xue et Wang,1986,but differs from the latter in:Eyes bare;abdominal 3rd and 4th tegites each with a pair of round spots;male cercus semicircular in lateral view. ♀:Unknown. Holotype ♂,Mt.Erlang(Forest Farm, 2 680m;29°54′N,102°08′E),Sichuan Prov.,8-Ⅶ-1986,coll.by Feng Yan.更多还原