资源描述：
《东方趋流摇蚊群一新种（双翅目，摇蚊科）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、东方趋流摇蚊群一新种（双翅目，摇蚊科）ActaZootaxonomicaSinica,29(3):560—562(July,2004)动物分类ANEWSPECIESOFTHEFROMCHINA(DIPTERA,0RrENTlAIJSGRoUPCHIRoNoMIDAE)YANChun.Cai,WANGXin.HuaCollegeofLi扣Science,NankaiUniversity.Tianjin300071,ChinaISSN1000.0739AbstractRheocricotopus(Psilo
2、cricotopus)constrictusspDOV.fromChinaisdescribedasmaleimago.ThespeciesiscloselyrelatedtoR.(P.)orientalisWang,R,(P)ca&JiculusWangetSaetherandR.(P.)illiculusWangetSaether.formingorientalisgroupWangandSaether.Thespeciesisdistinguishedfromthekllownspecie
3、softhegroupbyhavingalongclavilbrminferiorvolsellaandaconstrictedanalpointAkeytotheadultmalesot'thespeciesgroupispresented.KeywordsChironomidae,orientailsgroup,Rheocricotopus,Dewspecies,key,ChinaThegenusbution.Sofar,beenrecordedRheocricotopushasaworldwide
4、distri?morethanonehundredspecieshaveFourteenspecieshavebeenrecordedfromChina(Wang,2000).Smther(1985)revisedthegenusanddividedthegenusintotwosubgeneraandsixspeciesgroups.Wang(1995)describedapeculiarnewspecies,R.orientalis,fromSouthChina.sub?sequently,Wang
5、andSaether(2001)describedtwosimilarspecies,R.calvic,ulusandR.villiculusfromOrientalChinaandsuggestedthatthethreespeciesformedadistinctmonophyleticspeciesgroup(orientalisgroup)ofthesubgenusPsilocricotopus.Inthispaperanadditionalnewspeciesofthegroupisde?sc
6、ribedbasedonaspecimencollectedinHubeiProvince.Thegeneralmorph0l0gicalterminologyfollowsSaether(1980).TheholotypeofthenewspeciesisdepositedintheDepartmentofBiology,NankaiUni?versity(NU),Tianjin,China.Rheocricotopus(Psilocrlcotopus)constrictussp.nov.(Figs.
7、1-4)Typematerial,Holotypemale,China:HubeiProvince,XianfengCounty.Luoheba(alt,400m;29.40N,109.08E);25July1999,leg,JlBing—Chun(NUNo.13983),Maleimage(=1),Totallength2.50mm,Winglength1.52mm.Totallength/winglength1.64,Winglength/lengthofprofemur1.85.Coloratio
8、n,Thoraxyellowwithbrownconfluentvittae,brownupperofantepronotum,scutellum,andpostnotum,andmediananepisternum1I,an—tepronotallobe,preepisternumlighterbrown.Halterandheadlighterbrown.Coxaexceptventralmargin,trochanter,basal1
