TurkJZool 30(2006)405-411 ©TÜB‹TAK NewRecordsandDescriptionofaNewSubspeciesforthe WaterMiteFauna(Acari,Hydrachnidia)ofTurkeyfromthe EasternBlackSeaCoast VladimirPES˘IC´ 1,DavutTURAN2,* 1 DepartmentofBiology,FacultyofSciences,UniversityofMontenegro,81000Podgorica,Montenegro,SerbiaandMontenegro 2 KaradenizTechnicalUniversity,FacultyofFisheries,FenerMahalesi,53100Rize-TURKEY Received:15.11.2005 Abstract: Anewsubspecies,Mixobatesbrachypalpisozkani subsp.nov.,isdescribedfromastreamintheRizeregion(EasternBlack Seacoast,Turkey).Thenewsubspeciescanbeeasilydistinguishedfromthetypematerialof M.brachypalpis,aspeciesreported onlyfromthe locustypicus inRussia,bythemoreelongatedandslenderI-L-5/6.Inaddition,3watermitespecies( Torrenticola oraviensis (Láska,1953),Torrenticolathori (Halbert,1944)andMideopsisroztoczensisBiesiadkaandKovalik,1979)arereported forthefirsttimefromTurkey. KeyWords: Acari,watermites,taxonomy,newsubspecies,newrecords,Turkey Do¤uKaradenizK›y›lar›ndanTürkiyeSuKenesiFaunas›‹çinYeniKay›tlarveBirAlttürTan›m› (Acari,Hydrachnidia,Hygrobatidae) Özet: Mixobatesbrachypalpisozkani subsp.nov.Rizeyöresinden(Türkiye’ninDo¤uKaradenizk›y›lar›)yenibiralttürolarak tan›mlanm›flt›r.Bualttür,sadeceRusyadayay›ld›¤›bilenen M.brachypalpis türününtipörne¤iI.B/5-6.’dendahauzunvenarin olmas›ylakolayl›klaayr›tedilebilir.Ayr›cabuçal›flmadaüçsukenesitürü( Torrenticolaoraviensis (Láska,1953),Torrenticolathori (Halbert,1944)andMideopsisroztoczensisBiesiadkaandKovalik,1979)deTürkiyefaunas›içinyenikay›tolarakverilmifltir. AnahtarSözcükler: Acari,Sukenesi,Taksonomi,Yenialttür,Yenikay›tlar,Türkiye Introduction collectedintherunningwatersoftheEasternBlackSea ThegenusMixobates wasdescribedbyThor(1905). coastofTurkey. Todate,13specieshavebeendescribedinthisgenus (TuzovskijandGerecke,2003). Mixobates speciesare MaterialsandMethods recordedfrompatchylocalitiesonly,generallyfoundin lownumbersofspecimens,mostlyinmossyrifflesoflow Watermiteswerecollectedbyhandnetting,sortedon orderstreams(TuzovskijandGerecke,2003). thespotfromthelivingmaterial,conservedinKoenike’s Verylittleisknownaboutthewatermitesinrunning fluidanddissectedasdescribedelsewhere(e.g.,Gerecke, watersinTurkeyandonlyafewregionshavebeen 1991).Theholotypeand2paratypes ofthenew intensivelystudied(e.g.,Özkan,1982;BoyacıandÖzkan, subspeciesweredepositedintheZoologicalMuseumof 1994;Smit,1995;Özkanetal.,1996;TuranandPes˘i´c, EgeUniversity(‹zmir,Turkey);afurther2paratypes 2005).Theaimofthispaperistopresentnewdatathat werefoundintheMuseumoftheNaturalHistoryof contributetoourknowledgeaboutthemorphology, Podgorica(Montenegro).Inthesection“Material geographicaldistribution,andhabitatpreferenceof examined”collectionsiteabbreviationsarederivedfrom Turkishmembersofthewatermitespeciesrecently thegeographicaldatabasemanagedbyV.Pes˘i´c. *E-mail:[email protected] 405 NewRecordsandDescriptionofaNewSubspeciesfortheWaterMite Fauna(Acari,Hydrachnidia)ofTurkeyfromtheEasternBlackSeaCoast Thesetaeterminologyfor Mixobates follows Morphology:Male:Idiosoma(ventralview:Figure2) TuzovskijandGerecke(2003):Fcx–setaeofthe L673,W459,dorsalshield(Figure2)L572,W400, cheliceralsegment,Pe– praeanalesexternae .The L/Wratio1.43;dorsalplateL538;shoulderplateL184; compositionofthematerialisgivenas: frontalplateL106;shoulder/frontalplateLratio1.74; (males/females/deutonymphs),andthefollowing gnathosomalbayL137,Cx-1totalL287,Cx-1medialL abbreviationsareused:Ac-1=firstacetabulum,Cx-1= 149,Cx-2+3medialL148;ratioCx-1L/Cx-2+3medialL firstcoxae,dL=dorsallength,H=height,L=length,I- 1.93;Cx-1medialL/Cx-2+3medialL1.94;genitalfield L-6=Leg1,sixthsegment,P-1=palp,firstsegment,W L/W124/100,L/Wratio1.24;ejaculatorycomplex =width.Allmeasurementsaregiveninmicrometres. (Figure4)L175;distancegenitalfield–excretorypore 96,genitalfield–caudalidiosomamargin119; gnathosomaventralL259;cheliceraL306,ratio Results cheliceraebasalsegment/clawL4.7;palp(Figure3)total FamilyTORRENTICOLIDAE L267,dorsallengthandrelativelength(inparentheses GenusTorrenticolaPiersig,1896 givenas%oftotallength):P-130(11.2),P-282 (30.7),P-350(18.7),P-485(31.3),P-520(7.5);P- SubgenusTorrenticola Piersig,1896 2/P-4ratio0.97;ventrodistalprotrusionsofP-2andP- Torrenticolaoraviensis (Láska,1953) 3shortandpointed. Materialexamined:TR3RizeProvince,Cayelitown Remarks: Inviewofidiosomadimensions,areduced area,Erenlerstream(onroadtoHemsin),19.07.2005, genitalfieldandarelativelylongmediansuturelineofCx- leg.Pes˘i´c &Vukasinovic-Pes ˘i´c (3/0/0);TR19Artvin 2+3inmales,ventrodistalprotrusionsofP-2andP-3 Province,HopastreamnearKoyuncularvillage(near shortandpointed,absenceoflonghairsattheposterior Hopatown),28.07.2005,leg.Pes ˘i´c,Turan& marginofthegenitalfieldandtheejaculatorycomplex Vukasinovic-Pes˘i´c(1/0/0). bearingwell-developedproximalhorns,theTurkish 2 1 1 2 3 4 3-4 Figures1-4. Torrenticolaoraviensis(Láska,1953),male:1=dorsalshield;2=idiosoma,ventralview;3=palp(P-2/5),medialview;4=ejaculatory complex.Scalebars=0.1mm. 406 V.PES˘IC,D.TURAN´ specimensshowageneralconformitywith Torrenticola field–excretorypore255,genitalfield–caudalidiosoma oraviensis(Láska,1953).ThedimensionsoftheTurkish margin322;gnathosoma(Figure7)ventralL413; specimenagreewellwiththevariabilityrangeof chelicera(Figure6)L480,ratiocheliceraebasalsegment Macedonianpopulations(DiSabatinoetal.,2003). /clawL1.54;palp(Figure7)totalL488,dorsallength Distribution (firstrecordfromTurkey):Austria, andrelativelength(inparenthesesgivenas%oftotal CzechRepublic,Italy,SerbiaandMontenegro, length):P-151(10.5),P-2194(39.8),P-353(10.9), Macedonia,Greece. P-4167(34.2),P-523(4.7);P-2/P-4ratio1.16. SubgenusMegapalpis Halbert,1944 Remarks: T.thori ischaracterisedbytheslender shapeofbodyandmouthparts,withparticularlylong Torrenticolathori (Halbert,1944) cheliceralclaws(ratiobasalsegment/claw<2.0).Figures Materialexamined:TR11RizeProvince,smallstream 5-7showsomemorphologicaldetailsofthespecimen inthelowerpartofÇa¤layanstreamnearF ındıklıtown, fromRizeprovince. ˘ ˘ 23.07.2005,leg.Pes i´c,Turan&Vukasinovic-Pes i´c Distribution (firstrecordfromTurkey):Western, (0/1/0);TR19ArtvinProvince,Hopastreamnear EasternandCentralEurope(Gereckeetal.,2005),Iran Koyuncularvillage(nearHopatown),28.07.2005,leg. (Pes˘i´cetal.,inpress). Pes˘i´c,Turan&Vukasinovic-Pes˘i´c(0/2/0). FamilyHYGROBATIDAE Morphology:Female:Idiosoma(ventralview:Figure 5)L875,W563,dorsalshieldL831,W431,L/Wratio GenusMixobates Thor,1905 1.93;dorsalplateL731;shoulderplateL230;frontal Mixobatesbrachypalpisozkani subsp.nov. plateL144;shoulder/frontalplateLratio1.6; Typeseries: Holotype:maledissectedandslide gnathosomalbayL142,Cx-1totalL310,Cx-1medialL mountedinHoyer'sfluid;Rizeprovince,Güneysutown, 159,Cx-2+3medialL13;ratioCx-1L/Cx-2+3medialL upperpartofKangelstream(tributaryofTafllıstream) 1.95;Cx-1medialL/Cx-2+3medialL24.8;genitalfield nearKangelvillage,18.07.2005,leg.Pes ˘i´c& L/W218/181,L/Wratio1.2;distancegenital 5 7 6 Figures5-7. Torrenticolathori (Halbert,1944),female:5=idiosoma,ventralview;6=chelicera;7=gnathosomaandpalp,lateralview.Scalebar =0.1mm. 407 NewRecordsandDescriptionofaNewSubspeciesfortheWaterMite Fauna(Acari,Hydrachnidia)ofTurkeyfromtheEasternBlackSeaCoast Vukasinovic-Pes˘i´c.Paratypes:4females,samedataas ventrodistalsetae(L17):I-L-6L120,maximumH27, holotype,oneofthemdissectedandslidemountedin L/H4.4,LratioI-L-5/61.2,distallyslightlythickened; Hoyer'sfluid. clawsbearingaweaklydevelopedclawblade(Figure11). Description Genitalfield(Figure8)roundish-triangular,L96,W133; acetabulacoveringalargepartoftheareaoftheplates, Male:IdiosomaL531,W444;SetaeFch(Figure9) intriangularposition,maximumdiameterofacetabula1- thickened,longerthandiameterofitsinsertionsclerite; 3:37-41-43;gonoporeLabout2/3genitalfieldL,14-15 Cx-1+2(Figure8)weaklynarrowedposteriorlyandwith genitalhairsoneachside,ejaculatorycomplex(Figure broad,convexmediocaudalmargin;suturelineCx-3/4 12)L140.ChelicerabasalsegmentL147,clawL69. notreachingthemedialmarginoftheplate;glandularia Palpus(Figure13)totalL312,dLandrelativeL(in Pe27mmfromthesuturelineCx-3/4;firstlegas parenthesesgivenas%oftotallength):P-127(8.7),P- depictedinFigure10:I-L-5dL144,maximumH29,L/H 282(26.2),P-374(23.7),P-4102(32.6),P-527 5.0,withapairofventralsetaeplacedslightlydistally (8.7);P-2ventrodistalyvithoutprojection,bearing8-9 fromthecentreofthesegment,afinewhip-shapedseta finedents;P-3withstraightandsmoothventralmargin, anteriorlyatthedistalmargin,andapairofclub-shaped 8 10 11 8 10 12 13 12 9 13 9,11,14 14 Figures8-14. Mixobatesbrachypalpisozkani subsp.nov.,male:8=coxalandgenitalfield;9=setaFch;10=I-L-5/6;11=claw;12=ejaculatory complex;13=palp,lateralview;14=P-5.Scalebars=0.1mm. 408 V.PES˘IC,D.TURAN´ ventralmarginofP-4slightlyprotrudingdistallynearthe segmentL173,clawL84.Palpus(Figures15-16)as insertionofthepairedventralhairs,P-5(Figure14) describedforthemale,totalL358,dLandrelativeL(in rathershort,dorsodistalclawstrong,2ventrodistal parenthesesgivenas%oftotallength):P-133(9.2),P- clawsstronglydifferentinshapeanddimensions:oneof 296(26.8),P-386(24.0),P-4113(31.6),P-530 themtruncated,theotherpointedandbentdorsally. (8.4). Female:IdiosomaL603,W519;coxalfieldasin Discussion:Duetotheparticularshapeofthe male;firstlegasdepictedinFigure17:I-L-5dL159, ventrodistalclawsonP-5andthepresenceofventral maximumH31,L/H5.1,club-shapedsetaeL17;I-L-6L thickeningonP-4,theTurkishspecimensshowageneral 142,maximumH28,L/H5.1,LratioI-L-5/61.1;genital conformitywith M.brachypalpis Tuzovskij,2003,a field(Figure19)L/W148/181,praegenitaleW77, speciesknownonlyfromthe locustypicus inRussia postgenitaleW62,Wratioprae-/postgenitale1.24; (Krasnodar-Sewerskregion).TheTurkishspecimenscan genitalplateL108,medialmarginwithdeepidentation