中国虻科(双翅目)二新种

TWO NEW SPECIES OF TABANIDAE (DIPTERA) FROM CHINA

作者曾于1986年首次报道了在我国四川省汶川县卧龙地区发现的指虻属(Isshikia)一新种——汶川指虻。本文再次记述了在我国海南省发现的另一指虻属新种——海南指虻。另外同时记述在我国西藏地区发现的瘤虻属(Hybomitra)一新种——黑须瘤虻。模式标本均保存于中国科学院动物研究所。

lsshikia wenchanensis ,was reeorded for tho first tim。,from Siehuan Provlnee,China in1986,by tl:e outhor.In‘his PaPer another reeord ofls:sp.nov.from Hai-nan Provix飞。。,10 rePortcd,besides a new speeies of Hyboi:;a from Tibet 15 also rePorted. All tlze type sPeeimens are deposired in the Institute of Zoology Aeademia sini。。. Hybomitra atriPa15 sP.nov.(fig.1) Fonalo.Len12一13 mzzi.hloel:sPceies.Eyes with ohorr blackl,。irs.Frons gray brownP少llinosed,Parallol sidod,index aboutl:1.4一1.6.Bas:le:11us blaek,nearly rotund or triongular,roaellingr}、。eye nlargins(exeopt a fow、P。。i,,;。n、、eParatod from th。。yo ma:91:15).OCellar tu-rele brown,riangtllar.Subeallus lower,shiny blaek.Paee gray一brown Pollinosed and yellowhairod,Most of genoe sliiny blaek,but nearly sindo of elyPeus gray一brown Pollino、e and longyollow 11:ired.Seape shiny blaek with eoneolorous hairs;Podieel brown with blaek hair。:fla-gollun飞bloek,narrow,only base of the Plate brown.PalPus 11 graylaek,narrow,index about1:4,eovered witll dense blaek hairs.Seutum blaek without any otriPes.All seutum eovered withdense yellow hairs.Wing一sPot、distinct along eross一veinsR;without a spur vein.Fomora blaek;baoall/3 of foro tibiao brown,mid一andl,ind tibiao brown;fore ta1 blaok,nlid and hind一。ar、ibrowll.Haltor brown blaek.Abdomon 51191、tly slliny black and with yollow,hite hairs,hind田:rgin of all rorgit。。。aeh with a vory narrnw Pole band.Male.Length 14 mm.Eyes densely eovered with short brown hairs,2/3 of uPPer faeets lar-er than faeets of lowerl/3.Antenna narrower than in female.PalPus 11 long oval一haPed,laek eovered with gray Pollinos and long black hairs and with a few longllow hairs.l/2 ge-!。ae shiny blaok,other Part Pollinose.Other eharaeters:ame as in femae. Holo:yP。孕,Gyrong County, Tibet,3300m,July 16,1971.colleered by Zhang Xue一hong.Allotypeand paraypes 22and6了,same as holotype. This sPecies 15 elose to H.mo,‘eha Chvala,distinguished from the latter by grayrown Po卜linosed,all:ergites yellow haired,hind margin of all tergites easli with a very narrow Pale、band,also related to H.,,ie,Wang,bur in rhe latter sPeeies frons narrower,basal eallis‘quare,tergite 11 with brown sPots laterally. Isshiia hainanensis sP.nov.(fig.2) Female.Length 16mm.Eyes eaeh with 3 bands.Frons brown,index aboutl:7.5,widenedabove,blaek haired.basal eallus blaek nearly reaehing eye margins,blaek striPe extending uP-ward to abo2/3‘he length of frono.Subeallus brown.Genae and faee with yellowray POlli-nos.Seape and pedieel brown,with black hairs;flagellum orange,Plate of flagellum withaprominent eurved dorsal Process,extending for ward to base ofannula:ed portion.Pa1Pus 11rown and narrow,with blaek hairs.Seutum and seutellum slightly shiny blaek and with shortblaek hairs.Legs entirely brown exeePt coxae.Wing hyaline,vein brown,eell C and Se and aPicalportion of wing with smoky shadow.Halter yel]ow