Morphology and Systematics of Turkish Species of Exeurytoma
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TurkJZool 29(2005)243-248 ©TÜB‹TAK MorphologyandSystematicsofTurkishSpeciesof Exeurytoma Burks, 1971(Hymenoptera,Chalcidoidea,Eurytomidae),withDescriptionofa NewSpeciesfromEasternAnatolia MiktatDO⁄ANLAR MustafaKemalUniversity,AgricultureFaculty,PlantProtectionDepartment,Antakya,Hatay-TURKEY HalitÇAM GaziosmanpaflaUniversity,AgricultureFaculty,PlantProtectionDepartment,Tokat-TURKEY Received:14.11.2003 Abstract: AnewspeciesofExeurytoma Burks,1971(Hymenoptera,Chalcidoidea,Eurytomidae)fromEasternAnatoliaisdescribed. Morphologiesandsystematicsof2Turkishspecies,E.anatolica Çam,1998fromTokatandE.kebanensis n.sp.fromKeban,Elaz›¤, andfromÖmerli,Mardinwerestudied.Theirdiagnosticcharacteristicswerephotographedusingascanningelectronmicroscopeand someofthemareillustratedasseenunderastereoscopicmicroscopebycameralucida.Anidentificationkeyforthespeciesof Exeurytoma isprovided. KeyWords: Exeurytoma spp.,E.kebanensis n.sp.,Hymenoptera,Eurytomidae,Turkey Do¤uAnadolu’danExeurytoma Burks,1971(Hymenoptera,Chalcidoidea,Eurytomidae) CinsindenYeniBirTürileDi¤erTürkiyeTürününTan›mlar›veMorfolojileri Özet: Do¤uAnadolu’dan Exeurytoma Burks,1971(Hymenoptera,Chalcidoidea,Eurytomidae)cinsinegirenveKeban,Elaz›¤ile Ömerli,Mardin’dentoplananyenibirtür, E.kebanensis n.sp.,ileTokat’tabulunandi¤ertür, E.anatolica Çam,1998’inmorfolojik özellikleriçal›fl›lm›flvetan›mlar›yap›lm›flt›r.Butürlerinay›rtediciözellikleriSEM’dançekilenfoto¤raflarvestereoskobi k mikroskoptankamera–lucidayard›m›ylaçizilenresimlerlegösterilmifltir.Cinsintürleriiçinbirtan›anahtar›dahaz›rlanm›flt› r. AnahtarSözcükler: Exeurytoma spp.,E.kebanensis n.sp.,Hymenoptera,Eurytomidae,Türkiye Introduction andcompareditwiththeparatypeof E.caraganae from Thegenus Exeurytoma Burks,1971(Hymenoptera, CentralAsia. Eurytomidae)anditstypespecies E.caraganae were Recently,thespecimenscollectedbyHalilBolufrom describedbyBurks(1971)andmorphologiesofthe Keban,Elaz›¤,andfromÖmerli,Mardin,wereidentified genusandthespecieswerestudied.Burks(1971) andanewspecieswasdescribed. discussedthestatusofthegenusinthefamily Eurytomidae.Zerova(1979)andZerovaandSeregina (1994)studiedthemorphologyofthegenusand MaterialsandMethods redescribeditanditstypespecies E.caraganae Burks, Thespecimensofthenewspecieswerecollectedfrom 1971byincludingsomenewspecimensfromTurkmenia. theleavesofAmygdaluscommunis L.(Rosaceae)byHalil Zerova(1979)statedthatthegenusshouldbeplacedin BolufromKeban,Elaz›¤,andfromÖmerli,Mardin,and Eurytominae.ZerovaandSeregina(1994)again E.anatolica specimenswererearedbythesecondauthor describedE.caraganae asaseed-eatingchalcidwaspof fromseedconesofAstragaluslagurus Willd.(Fabaceae)in thePalaearctics.Çam(1998)foundthesecondspecies,E. theTokatregion.Thespecimenswerecard-mountedfor anatolica Çam,1998,fromTokat,Turkey,anddescribed collection.ForSEMstudies,bodypartsweremountedin 243 MorphologyandSystematicsofTurkishSpeciesof ExeurytomaBurks,1971(Hymenoptera,Chalcidoidea,Eurytomidae),withDescriptionofaNew SpeciesfromEasternAnatolia therightpositions.Thediagnosticcharacteristicswere widelyplacedpiliferouspunctures,areasbetweenthe photographedusingSEM.Afterinvestigation,the punctureswithpittedreticulation(Figure1e), formerlyseparatedpartsofthespecimenofthenew mesoscutumwithdensepuncturesalmostinrows, specieswereremountedoncard.Wingsandantennae scutellum(Figure1f)withpuncturesonsides,itsbasal wereillustratedasseenunderastereoscopicmicroscope halfsmooth,withoutpunctures;prepectusnarrow;lower usingacameralucida. marginofmesepisternumwithoutprojections; propodeumsharplyinclined,atanangleof90ºtotheline ofthedorsalsurfaceofscutellum,weaklyimpressedin ResultsandDiscussion themiddle,sculpturesfinelyrugose,uniform.Discoffore wingsbarebasally,otherwisecoveredwithveryfine, Exeurytoma kebanensis Do¤anlar,n.sp. shortsparsehairs;marginalveinshortest,stigmalvein 1.37timesmarginalvein;postmarginalvein2.0-2.2 (Figures1a-h,2a,b) timesstigmalvein(Figure2b). Metasoma(Figures1g-h)withshorttransverse Etymology: Thenamederivesfromthetownof petiole;aslongasbroadandaslongaslengthofthorax Keban,fromwherethespecimensofthenewspecies (holotype)andequaltothecombinedlengthofheadand werecollected. thoraxinparatype,stronglycompressedlaterally;2 nd–6th tergaslightlydifferinginlength,7 th concealedby6 th Description: Female:2.0-3.3mm,bodyblack,except (Figure1h).Ovipositor0.27-0.30timesaslongas formandibulae,scapus,halfofforefemora,apicesofmid metasoma. andhindfemora,tibiaeandtarsitestaceaus,ventralpart ofgasterbrown;wingshyaline,venationpaleyellow. Male: Unknown Headindorsalviewslightlybroaderthanpronotum, Materialexamined: Holotypefemale:Turkey,Elaz›¤, itswidthfrominfront1.32timesitsheight(Figure1a); Keban,24.VI.2002,leg.H.Bolu,collectedfromleavesof yesconvex,bare;longitudinaleyediameter1.77times A.communis ,depositedinthemuseumofthePlant malarspace;genaewithdistinctsuture,broadenedon ProtectionDepartment,AgricultureFaculty,Mustafa sides,posteriormarginofgenaewithweaklydeveloped KemalUniversity,Antakya,Hatay,Turkey.Paratypes:1 carina;lowermarginofclypeusdistinctlyemarginated; female,Turkey,Mardin,Ömerli,2.IV.2002,leg.H. surfaceofclypeussmooth,otherpartsoffacedensely Bolu,theotherdatasameasfortheholotype. sculptured,lowcarinaefanningoutalongthemarginsof Diagnosis: ThenewspeciesisclosertotheTurkish facefromtheclypeus(Figure1b);antennalfovea speciesExeurytomaanatolica ÇamthanitistotheCentral shallow,lowerpartweaklymarginated;antennae Asianspecies Exeurytoma caraganae Burks.The inserteddistinctlyaboveleveloflowermarginofeyes; propodeumoftheTurkishspeciesliesatarightangleto antenna(Figure2a)withlongscapus,about3.0-3.7 thelongitudinalaxisofscutellumasstatedforE.anatolica timesthelengthofthepedicellus;flagellum5-segmented, byÇam(1998)(in E.caraganae thisis45º); E. graduallywideningtowardsclub,1 st segment1.16times kebanensis n.sp.differsfrom E.anatolica inhavinga longerthanpedicellusandslightlylongerthan2 nd;2nd-4th pronotumwithwideapartpiliferouspunctures,thespace almost1.6timeslongerthanbroad,5 th broaderthan betweenthem0.74thediameterofthepunctures others,about1.33timesaslongasbroad;club3- (Figure1e)(inE.anatolica piliferouspuncturesareclose segmented,distinctlybroaderthan1 st andslightly toeachother,thespacebetweenthem0.34thediameter broaderthanlastsegmentofflagellum,almost3times ofthepunctures(Figure3d);forewingwithmarginal longerthanbroad.Antennalsegmentsinfollowingratios veinshorterthanstigmalvein(13:18)in E.kebanensis (length:width):26:6;7:5;10:5;8:5;9:5;8:5;8:6;20 (Figure2b)(in E.anatolica and E.caraganae marginal (8;6;6):7. veinequaltostigmalvein);antennaewithclubdistinctly widerthanflagellum,2.0-2.2timesaswideas1 st Mesosoma(Figures1c-f)convex,humped;widthof funicularsegment(Figure2a)(in E.anatolica and E. pronotum2.35timesitslengthonthesides,anterior caraganae clubalmostaswideasflagellum(Zerova, marginofpropodeumprominent;propodeumwith 1979;Çam,1998). 244 M.DO⁄ANLAR,H. ÇAM Figure1. Exeurytoma kebanensis n.sp.:A.head,infrontalview;B.face;C.pronotum;D.mesonotum;E. ultrastructureofpronotum;F.scutellum;G.gasterwithpetiole;H.gasterwithovipositor. 245 MorphologyandSystematicsofTurkishSpeciesof ExeurytomaBurks,1971(Hymenoptera,Chalcidoidea,Eurytomidae),withDescriptionofaNew SpeciesfromEasternAnatolia Figure2.Exeurytoma kebanensis n.sp.:A.antenna;B.forewingvenation. Exeurytoma anatolica Çam,1998 22.II.1993,rearedfromseedconeof A.lagurus ;1 (Figures3a-f) female,8.VII.1997,capturedfromawindowglass. Keytothespeciesof Exeurytoma Burks Exeurytoma anatolica Çam,1998:Tr.J.ofZoology, TÜB‹TAK,22:191-193. 1- Propodeumliesata45ºangletothelongitudinalaxis ofscutellum .............. E.caraganae Burks Çam(1998)describedandillustratedthediagnostic characteristicsofthefemaleandmalespecimensof E. -- Propodeumliesatarightangletothelongitudinal anatolica andcomparedthesewiththeparatypeof E. axisofscutellum........................2 caraganae (Çam,1998).Herearedthespecimensof E. 2-Pronotumwithwideapartpiliferouspunctures,the anatolica fromseedconesofA.lagurus Willd.(Fabaceae) spacebetweenthem0.74thediameterofpunctures inTokatprovinceandstatedthatthespeciesisprobably (Figure1e);forewingwithmarginalveinshorterthan phytophagousintheseedsof A.lagurus.Thisistheonly stigmalvein(13:18)(Figure2b);antennaewithclub recordonthebiologyofthegenus. distinctlywiderthanflagellum,2.0-2.2timesaswide st Inthisworktheultrastructureofthebodyofthe asthatof1 funicularsegment(Figure2a) ...... specieswasstudiedusingSEM.AsseeninFigures3a-f ...................... E.kebanensis n.sp. theheadandthoraxhavepiliferousumbilicatepunctures -- Pronotumwithpiliferouspuncturesclosetoeach andtheareasbetweenthemareminutelypitted. other,thespacebetweenthem0.34thediameterof Diagnosis: Thesculptureonthepronotumof E. punctures(Figure1d);forewingwithmarginalvein kebanensis n.sp.(Figure1e)distinguishesitfrom E. equaltostigmalvein;antennaewithclubalmostas anatolica (Figures3b,d).Theshapesofthemetasomae wideasflagellum ............ E.anatolica Çam (Figures1g,3e,f)arealsodifferentintheTurkish species.Thefirstsegmentofmetasomaof E.kebanensis Acknowledgements (Figure1g)issmallerthanthatofE.anatolica (Figure3e) andthelastsegmentisconcealedbythe6 th tergitinthe TheauthorsaregratefultoAsist.Prof.HalilBolu newspecies(Figure1h)andplacedonthebottomofthe (DepartmentofPlantProtection,FacultyofAgriculture, DicleUniversity,Diyarbak›r)forcollectingandsending ovipositorinE.anatolica (Figure3f). thespecimensofthenewspecies,andtoDr.E.E.Grissell Materialexamined: Paratypes:4females,28.VI.- (SystematicEntomologyLaboratory,USDA,c/oUS 27.VII.1992,Turkey,Tokat,Tafll›çiftlik,630m; NationalMuseum,Washington,D.C.,USA)fortheloanof Syntypes:samelocalityastheparatypes,1female,