中国四川蝇科八新种(双翅目)

EIGHT NEW SPECIES OF THE MUSCIDAE FROM SICHUAN ,CHINA (DIPTERA∶MUSCIDAE)

本文报道中国四川地区产蝇科 8新种。模式标本存北京军事医学科学院医学昆虫标本馆。

InthispapereightnewspeciesoftheMuscidaefromSichuanProv .during 1 981 -1 991 yearsarede scribed.AlloftypespecimensarepreservedintheMedicalEntomologicalSpecimenBuilding ,AcademyofMilitary MedicalSciences ,Beijing ,China . 1 Helinahirtisurstylasp .nov .(Fig 1 ) ♂ :Bodylength 7-8mm .CloselyrelatedtoHelinahirtifemorataMalloch ,1 92 6 ,butthelatterbyhaving fronsaswideasthediameterofanteriorocellusorslightlynarrower;hindtibia (t3)withoutlongofpvseta ;surstyli bothofanteriorandposteriormarginswithoutaclusterofhairs .♀ :Unknown . Holotype♂ ,Mt.Erlang (Yakou ,31 0 0m .2 9°5 3′N ,1 0 2°1 0′E) ,SichuanProv .,Jul.1 6 ,1 982 .Taken byFengYan ;paratypes 2♂♂ ,Baoxing (Mt.Chuxu ,1 40 0m ,30°0 5′N ,1 0 2°4 1′E) ,SichuanProv .Jul.2 8, 1 983.TakenbyYangShibin . 2 Helinapaomashanasp .nov .(Fig 2 ) ♂ :Bodylength 5 5mm ResemblingtheHelinadeleta (Stein ,1 91 4) ,butthelatterbyhavinglegswholly black ;foretibia (t1)without pseta;fronslessthanwidthofanteriorocellus.♀ :Unknown . Holotype♂ ,Kangding (Mt.Paoma ,2 80 0m .30°0 7′N ,1 0 1°5 8′E) ,SichuanProv ,Jul.8,1 981 .Tak enbyFengYan . 3 Helinamimificasp .nov (Fig 3) ♂ :Bodylength 7 5 -9 0mm .ResemblingtheHelinaficaXue,1 985 ,butthelatterbyhavingt3witharow ofhair like psetae,withoutpv ;scutumoninnerapairvattaereachtoscutellarsuture;surstyliaslongaswideinlat eralview .♀ :Unknown . Holotype♂ ,Mt.Erlang (Treefarm ,2 6 5 8m .2 9°5 3′N ,1 0 2°1 0′E) ,SichuanProv .,Aug .2 1 ,1 986 . TakenbyFengYan ;paratypes 5♂♂ ,takenbyYangShibinandShiPing ,samelocalityanddatesasholotype.4 Mydaeasubelectasp .nov .(Fig 4 ) ♂ :Bodylength 6 5 -7 0mm .ResemblingtheMgdaeaelecta (Zett.,1 86 0 ) ,butthelatterbyhavingthe femorawhollyyellow ;Prescutumonmiddlepartwith 1 2rowsofsetae ;halteresyellow ;abdomencoveredwithyellow pollen .♀ :Unknown . Holotype♂ ,Kangding (Mt.Paoma) ,SichuanProv .,Jul.2 ,1 982 .TakenbyFengYan ;paratypes 1♂ , sameasholotype ;1♂ ,Aug .1 3,1 983,samelocalityandcollectorasholotype . 5 Mydaeaflavifemorasp .nov (Fig 5 ) ♂ :Bodylength 7 5 -9 5mm .ResemblingtheMydaeaurbana (Meigen ,1 82 6 ) ,butthelatterbyhavingthe forefemurlargelydark black ;surstylionpostmarginprotrudedatmiddlepart;laterallobeof 5thsternitelongand thin ,ofwhichdirectionaloutwardonapicalpart.♀ :Indexoffrons 0 36 8-0 4 1 3;4 -5inclinateoriand 2recli nateorspresent;frontaltrianglenotextendingtolunula ;t1with 1 -2P ;3rdtergitewithoutpostmarginalbristle . Holotype♂ ,Mt.Erlang (Treefarm) ,SichuanProv .,Mary 2 5 ,1 984;paratypes 5♀♀ ,Jun .2 3,1 982 ,sameasholotype ;6♂♂ ,Kangding (Mt.Paoma) ,Aug . 1 8,1 983.theaboveallofspecimenstakenbyFeng Yan ;3♂♂ ,Jun . 1 0 ,1 987;2♂♂ ,Jul. 1 0 ,1 983;1♂ ,Jul. 1 0 ,1 986 .Theaboveallofspecimenstakenby YangShibin ,ShiPingandLiGuangshi,samelocalityasholotype . 6 Mydaeascolocercasp .nov . (Fig 6 ) ♂ :Bodylength 7 0mm .ResemblingtheMydaeaelecta (Zett .,1 86 0 ) ,butthelatterbyhavingtheprescu tumonmiddlepartwith 1 2rowsofsetae;femoraandhalteresyellow ;abdomentergitesdenselycoveredwithyellow pollen .ItresemblingtheMydaeasubelectasp .nov .too ,butthelatterbyhavingtheinterfrontaliadisappearingon middlepart;cercusabout 1 3timesaslongaswideinposteriorview .♀ :Unknown . Holotype♂ ,Kangding (Mt.Paoma) ,Jul. 1 ,1 983.TakenbyFengYan . 7 Thricopsjiyaoisp .nov . (Fig 7) ♂ :Bodylength 6 0mm .ResemblingtheThricopstuberculataDeng ,MouetFeng ,1 995 ,butthelatterby havingia 0 + 1 ;4thtarsomeresofforelegwithoutapairlongsetae,5thtarsomeresnotextendingtobothsides.♀ : Unknown . Holotype♂ ,Mt.Emei (Wanfuding ,30 99m . 2 9°5 9′N ,1 0 3°4 2′E) ,SichuanProv .Jun . 2 2 ,1 984 .Tak enbyFengyan . Etymology :ThenewspeciesisnamedasThricopsjiyaoiisinhonorafterprof.AnJiyaoforhasmadeagreatcontrib utionsonthestudyofmedicalEntomologyespecialtosimuliidaework . 8 Megophyramimimultisetosasp .nov . (Fig 8) ♂ :Bodylength 9 0mm .ResemblingtheMegophyramultisetosaShinonaga ,1 970 ,butthelatterbyhaving thekneesnottingedwithreddish brown ;midfemurwithoutstrongbristleonventralsurface;squamaeyellowish white;knobofhalteresdark brown .♂ :Unkno