Elytra,Tlokyo,24(1):41-47,May15,1996 Three NewSpeciesoftheGenusNazerzs(Coleoptera, Staphylinidae) fromTaiwan Tatoo ITO E7-303, 0tokoyamaYutoku8,Yawala, Kyoto,614Japan Abstract Three new staphylinidbeetleso「thegenusNaze''isaredescribed fromTaiwanunderthenamesofN.smetanatsp nov., N yasutoshiisp nov and N. simulanssp nov. Inthepresentpaper,I amgoingtodescribethreenewspeciesofTaiwanese Nazeris collected by Dr. A.SMETANA andMr. Y.SHIBATA. They resemblethe species belonging to theN feimoralisgroup but areeasily recognized on the unarmedmalehindtrochanters.0nanaccompanyingmap(Fig 8),thedistribution ofthenewspecieswillbeshown. Nazerissmetanaisp nov. (Figs.1-2) Bodyrathersmallbut robust,shining,black,mandibles, labrumandbasal two or threesegmentsofantennae reddish brown, maxillary and labial palpi, remainingantennalsegmentsandlegsyellowishbrown;pubescenceonbodysurface dark brown to black. Length:4.7mm. Headsuborbicularratherthansubquadrate,alittlelongerthanwide(1.05:1), coarsely, closely and more or less irregularly punctate, the arrangement of puncturesslightlydisturbedonsubdepressedfrons; labrumclearlyfour-toothed, widelyand triangularlynotchedinmiddle, theinnertwo teeththickandalittle longerthantheoutertwo;vertexgentlyconvex;eyesrelativelylarge,prominent, thelongitudinaldiameterclearlylargerthanahalfthelengthofpostgena;postgenae roundly narrowed toward neck; antennae slightly surpassing the middle of pronotum,all thesegmentsdistinctlylongerthanwide,1stsegmentveryrobust andnearlyaslongasthefollowingtwosegmentstogether,2ndshortestbutwide, 3rd to10thgraduallyshorteneddistad,11thslightly longer andwider than the 10th. Ventral surface of head similarlypunctate thoughmoreregularly to the dorsalsurface;mentumshiny,submentumlessso. pronotum oval, longer than wide (1.14:1), a little shorter (0.93:1) and 42 Tatoo ITO narrower than head (0.86:l), widest at apical third, fromwhere thesidesare strongly roundedapicadandgentlysobasad;discmorecoarsely punctatethan onhead,thepuncturesbecominglesscoarselaterad,somewhatirregularlyarranged nearmedianline,whichisnarrow,hardlydiscernible,andtraceableinbasalhalf, with feebledepressiononeachside. Elytrasubtriangular,moderatelynarrowedatshoulders,considerablyshorter thanpronotum(0.86:1),widthatthewidestpartnearapicesabout twiceaswide asbasesandhardlywider thanpronota1width;surfaceslightlyundulate,coarsely, closelyandalittlerugoselypunctate,thepuncturesintermediateinsizebetween thoseonheadandonpronotum.Prosternumcoarselyand transverselyseriate- punctate,mediancarinaratherobtuseandalmostvanishingattheapicalextrem- ity.Scutellumperceptiblypunctate. Abdomenslightlydilated laterad,puncturesonbasal tergitessimilarlysized asthoseonhead,becomingfiner towardapical tergites, thoseoneach sternite coarser thanonthecorrespondingtergite,thoseonterminal tergiteveryfineand obsolete. Inmale,5thsternitescarcely,6thweaklyand7thmoderatelydepressed alongmiddle,8thsternitenotdepressedand rather widelyandshallowlyexcised atapicalmargin inmiddle;hindtrochanterswithoutanyhooksonoutersides. Malegenitaliatrilobed,medianlobecomposedofbasalspheroidalpieceand apical sclerotizedpart, theapicalpartshapedasabamboo-leaf, pointedat tip and slightly curved ventrad; a pair of apophyses heavily sclerotized, strongly expanded laterad,sharplypointedat apices, not extendingbeyond theapex of medianlobeandclearlythickenedinmiddle,whenviewedlaterally. Holotype: e, Mt.Taipingshan (l,880m), IlanHsien, Taiwan, 14-VII-1993, A.SMETANAleg.(CanadianNationalInsectCollection,Ottawa). Though thepresent species isgenerallysimilar in thepunctuation to the membersof theN femoralisgroup, it iseasilydistinguished fromthelatterby theunarmedmalehindtrochanters.ItisalsoalliedtoN pa11idipesREITTERfrom Caucasus in therobust body, but is immediately discriminated by much closer punctureson thebody,obviouslyshorter labra1teethandquitedifferentshape ofaedeagus. 2 Figs. 1-2. Nazerissmetana1sp nov;1,aedeagusinlateralview;2,sameinventral view Three New a二e1・Isfrom Taiwan 43 Nazerisyasutoshiisp nov (Figs3-4) Bodyalittleshiny,reddishblack,headslightlylightened,mandibles,labrum, andbasal twoor threesegmentsofantennaereddishbrown,remainingantennal segments, maxillary and labial palpi and legs brownish yellow; pubescenceon bodysurfacedarkbrowntoblack. Length:5.0mm. Headsubquadrate,slightlylonger thanwide(1.07:1),coarsely,closelyand rather regularlypunctate, thepuncturesscarcelydisturbed inarrangementeven on subdepressed frons; labrum with inner teeth a little longer than the outer; vertex evenly convex, postgenae subpara11e1-sided, slightly and sublinearly narrowedbehindandwidelyangulatedtowardneck;eyesmoderate-sized,withthe longitudinal diameter about ahalf the length of postgena; antennae slender, extendingbeyond themiddleofpronotum,all thesegmentsclearlylonger than wide, 1st segment robust and longest, 2nd shortest, 3rd to 10th gradually decreasinginlengthdistad,10thapproximatelyequalinlengthto2ndandshorter than11th.Ventralsurfaceofheadsimilarlypunctatetothedorsalsurface. Pronotumovate, longerthanwide(1.20:1),aboutaslongasandnarrower thanhead(0.89:1),widestat apicalthird, fromwherethelateralsidesaremore gently rounded basad than apicad; disca1puncturescoarseand close, slightly coarser thanonhead,andsomewhat irregular inarrangement onbothsidesof median line,which exists inbasal half. Elytra widened apicad, rather weakly contracted at bases, shorter than pronotum(0.79:1),widestnearapices,andaswideaspronota1width;surface slightlyundulateandcoarsely,rugoselypunctate,thepuncturesalittleirregular in formduetoslight undulations.Prosternumwithmedian carinadiminishing apicadinheight,andalmostinvisiblenearapicalmargin. Abdomenslightlyenlargedlaterad,widestat6thsegment, fromwhichit is narrowedbothapicadandbasad,withpuncturescoarseandcloseonbasaltergites, fineandsparseonapical tergites,thoseonsternitesdeeperthanontheopposite tergjtes.Inmale,6thsterniteveryweaklyorscarcelydepressedalongmiddle,7th sternjteweaklyso,8thsternitenotdepressedandratherdeeplyand triangularly 3 4 Fjgs.3_4.Nazertsyasutoshiisp nov;3,aedeagusinlateralview;4,sameinventralview 44 Tatoo ITO excisedatapicalmargininmiddle,eachhindtrochanterandhindfemurnormally formed,withoutanyspecificfeatures. Malegenitaliawithapicalpart ofmedian lobesharplytriangular,bending ventrad,pointedatapexandprovidedwithapairoflateralprocessesnearbasal third, theprocessessemitransparent, incurvedand directedbackwardat apices; apophysesratherweaklysclerotized,withadistincttriangulartoothoneachinner sideat basal third, slightly incrassateapicad in ventral viewand moderately extendingbeyondthetipofmedianlobe. Holotype: NearChihtuan, IlanHsien,Taiwan,23-VII-1978,Y.SHIBATA , leg. (TokyoUniversityofAgricultureCollection, Tokyo). Thepresentspeciesresembles N perslm11isingeneralappearancewith the exceptionofthefollowingdifferences:themalehindtrochantersnotuncinate,the aedeaga1shapequitedifferent,and themale7thsternitemoredeeplyandmore distinctlydepressed. ThisspeciesisnamedafterMr.YasutoshiSHIBATA,Tokyo, towhomI am muchindebted forhisofferofmaterialandinmanyotherways. N「azerissimulanssp nov. (Figs5-7) Body a little shining, reddish brown, head slightly lightened, abdomen darkened,antennaeexcept for1stsegment,mouthpart andlegssordidyellow, withbrownishtoblackishpubescence. Length:4.7-5.0mm. Headnearlyquadrate,alittlelongerthanwide(1.05:1),coarsely,closelyand Fig. 5. Nazerissimula,tssp nov Three New Naze1・isfromTaiwan 45 regularlypunctatebutalittleirregularlysoonweaklydepressedfrons;vertexevenly convex; eyes moderate-sized, the longitudinal diameter subequa1to a half the length of postgena, postgenae subpara11e1-sided, widely angulately narrowed towardneck;antennaeextendingbeyondthemiddleofpronotum,allthesegments apparently longer thanwide,1stsegment veryrobust andaboutas longasthe followingtwosegmentstogether,2ndsegmentshortestbutwide,eachsegmentof 3rd to10thshorter than theprecedingone,11thslightlylongerandwider than the10th. Pronotum oval, longer than wide (1.24:1), a little longer (1.04:1) and narrower(0.88:1) thanhead;lateralsides,eachbearingtwoor threelongsetae near thewidest part at apical third,arcuatelyconvergent apicadandgradually andsublinearlysobasad;disca1puncturescoarse,closeanddeep,becomingfiner laterad,andslightlydisarrangedalongmiddlenearbasebymedianlinewhichis hardly observable, with faint depression on each side. Scutellum small and seeminglydevoidofdistinctpunctures.Prosternumwithmediancarinaweakened near apex. Elytraveryshort,narrowedbasad,notstronglycontractedatshoulders,much shorter (0.72:1) and scarcely narrower than pronotum, coarsely, closely and somewhat rugoselypunctate. Abdomenslightlydilated toward6thsegment, thennarrowedtowardapical segments,without anymicrosculpture, andwithpuncturesusuallydiminishing distadinsize.Inmale,7thsternitehardlydepressedalongmiddle,8thsternitenot depressed and triangularly excised at apical margin; hind femora and hind trochanterswithoutanypeculiarities. Malegenitaliasimilarinstructuretothoseoftheprecedingspecies,butslightly moreslenderanddelicate,medianlobesimilarlycurvedventrad,sharplypointed at thetip andwithapairof lateralprocessesbehindmiddle; apophysesmuch thinner,hardlyextendingbeyondthetipofmedianlobeandnotbearingteethon theinnerside at base. 6 7 Fjgs. 6-7. Nazerissimulanssp nov aedeagusinlateralview;7,sameinventralview Holotype: NearJuisuiSpa(400m),HualienHsien,Taiwan,26-III-1980, , Y.SHIBATAleg.(TokyoUniversityofAgricultureCollection,Tokyo).Paratype: 19, thesamelocalityasholotype(260m),11-VIII-1976,Y.SHIBATAleg. Furtherspecimense)camined 1 1 (tenera1),thesamedataasholotype. , Thepresentspeciesdiffersfromtheprecedingasfollows:theelytrarelatively 46 Tateo ITO o '' Fig.8. Mapshowingthelo- calities of 0 -Maze,・Is smetana1 sp. nov., △一 Maze''fs yasufos/uf sp. nov., and◇一Nazerissi- mulanssp nov. short, thepronotumproportionally longer, themale6th and 7th sternitesof abdomenmoreshallowlydepressedand theapophysesofaedeagusedentateon innersides. Acknowledgment I am hea「tily thankful tODr. A.SMETANA, Ottawa, and Mr. Y.SHIBATA, Tokyo, fortheirkindnessinofferingthematerialused inthisstudy. 要 約 伊藤建夫:台湾産Nazeris属ハネカクシの3新種について. - 台湾産のNazeris属ハネカク シを3種記載した. これらは点刻がfemoralis群のものに類似するが, 雄の後転節に鉤状突起を もたないことにより容易に区別することができる.本論文では3種を記載するとともに, そ の分布図を示した. References BERNHAUER,M.,&K.SCHUBERT,1912. StaphyIinidaem. InJUNK,W.,&S.ScHENKLING(eds), Coleopt. Cat.,pars40:191-288. ITO,T・,1985. OnthespeciesofNazerisfromTaiwan(Coleoptera,Staphylinidae). Ent. Rev.Japan, 50:53-57. ThreeNew Naze,・IsfromTaiwan 47 ITO, T., l995a. A second report of the Naie,・Is species (Coleoptera, Staphylinidae) from Taiwan. Spec. Bull.Jpn.Soc.Coleoptero/., Tokyo,(4):335-340. - 1995b. NotesonthespeciesofNaze1・Il・l (Coleoptera,Staphylinidae)fromTaiwan. Elytra, Tokyo,23:77-81. JARRIGE,J.,1948. Staphylinidesnouveauxd'Asieorientate. Notesent.chin.,12:40-41. KOCH, C., 1939. Uber neue und wenig bekannte paliiarktische Paederinae (Coleoptera, Staphylinidae). Ent. BI.,35:156-172. SHIBATA, Y.,1986. AlistofgeneraandspeciesnewtoTaiwanandnewdataondistributionofthe StaphylinidaediscoveredfromTaiwansince1973(Insecta:Staphylinidae). AnnualBull Nic/udai Sanko,(24):109-128. WATANABE, Y.,& XIAo, N.-n., 1993. AnewspeciesofthegenusNazerlsfromYunnanProvince, SouthChina. Elytra,Tokyo,21:129-133. ZHENG, F.-k.,1992. Four newspeciesof thegenusNazel'tsFAUvEL fromChina. Actae'It.sin., 35:87-91. Elyt1・a,Tokyo,24(1):47-48,May15,1996 OntheMicrohabitat of T,aeluoceruspygmaeus (Coleoptera,Passalidae)1) Masahiro KoN SchoolofEnvironmentalScience,TheUniversityofShigaPrefecture, Hikone,Shiga,522Japan, Kunio ARAYA GraduateSchool ofHumanandEnvironmentalStudies, KyotoUniversity,Sakyo, Kyoto,606-01Japan and Yutaka JoHKI showaWomen'sJuniorCollege,Setagaya,Tokyo,154Japan JoHKland KoN(1989) pointedout thatpassalidspecies livinginthedetritus-like mjcrohabitatsbearmarkedlywidefronttibiaeascomparedwithoneslivingeitherinthe galleryexcavatedintofallentreesorunderthebarkofdeadtrees,andshowedthreespecies ofthegenusTaen1ocerusKAUpwithwidetibiae,Tbicant/1atus(PERCHERON),T.platypus (KAup)andT.pygmaeus(KAup).Ofthese,theformertwospecieshavebeenreportedto l) Thepresentresearchwassupportedin partbytheGrant-in-AidfromtheJapanMinistryof Education,ScienceandCulture(No.04041068).