Some Taxonomic Features of Taphozous Nudiventris

Some Taxonomic Features of Taphozous Nudiventris

TurkJZool 31(2007)165-170 ©TÜB‹TAK SomeTaxonomicFeaturesofTaphozousnudiventris Cretzschmar, 1830vel1831fromTurkey(Chiroptera:Emballonuridae) NurselAfiAN,‹rfanALBAYRAK UniversityofK›r›kkale,FacultyofArtsandSciences,DepartmentofBiology,71450Yahflihan,K›r›kkale-TURKEY Received:07.02.2006 Abstract: Thisstudywasbasedontherecordsofbaculumfeatures,hairscaleform,andkaryotypeof Taphozousnudiventris magnus.ThebaculumisadistinctivefeatureinseparatingthissubspeciesfromT.n.kachhensis.Thestructureofthehairscaletype examinedbyscanningelectronmicroscope(SEM)wasdivaricate,dentatecoronalatthetip,andvariedfromthetipofthehair to thebase;ithadadivergent,dentatecoronalattheshaftandanappressed,repandcoronalatthebase.Thediploidnumber(2n)and thenumberofautosomalarms(NFa)of T.n.magnus were42and64,respectively. KeyWords: Baculum,hairscale,karyotype,Taphozousnudiventris,Turkey Türkiye’dekiTaphozousnudiventris Cretzschmar,1830vel1831’inBaz›TaksonomikÖzellikleri (Chiroptera:Emballonuridae) Özet: Buçal›flmaTaphozousnudiventrismagnus’unbakulumözellikleri,k›lyap›s›vekaryotipkay›tlar›nadayanmaktad›r.Bakulum, T.n.kachhensis ’denbualttürüay›rmadaay›rtedicibirözelliktir.SEM’deincelenenk›lyap›s›uçtantabanado¤rude¤iflerek,uçta divaricate,dentatecoronal,gövdededivergent,dentatecoronalvetabandaappressed,repandcoronaltiptedir. T.n.magnus ’un diploidsay›(2n)veotozomalkollar›n›nsay›s›(NFa)s›ras›yla42ve64’dür. AnahtarSözcükler: Bakulum,k›lyap›s›,karyotip,Taphozousnudiventris,Türkiye Introduction Arabia;T.n.magnus inIsrael,Jordan,andIraq;andT.n. Only2speciesofthegenusTaphozous,T.perforatus zayidi Harrison,1955inOman.AccordingtoHarrison E.Geoffroy,1818andT.nudiventris Cretzschmar,1830 (1964),Felten(1962)considered kachhensis and nudiventris tobeconspecific.Corbet(1978)statedthat vel1831,existinthePalearcticregion(Corbet,1978; Sinha(1970)identifiedboth T.nudiventris and T. Sachanowiczetal.,1999).Itwasreportedthat T. kachhensis fromIndia.Corbet(1978)considered nudiventris wasdistributedinEgypt,Sudan,Somalia, kachhensis andnudiventris synonyms,andrecognizedthe Senegal,Eritrea,Congo,Kenya,Israel,Palestine,Jordan, 3subspeciesgivenbyHarrison(1964)asvalid Syria,Iraq,Iran,Yemen,Oman,UnitedArabEmirates, subspecies.HarrisonandBates(1991)mentionedthat Bahrain,Afghanistan,andIndia(EllermanandMorrison- thenominativeformwasdistributedinIsrael,South Scott,1951;Harrison,1964;Corbet,1978;Harrison Yemen,andUnitedArabEmirates,andT.n.magnus was andBates,1991;Qumsiyehetal.,1992;Darweeshetal., foundinIraqandBahrain.AccordingtoHarrisonand 1997;BendaandHoracek,1998;Sachanowiczetal., Bates(1991),althoughhavingdifferentfurcolor,the 1999;Pearchetal.,2001). validityof T.n.zayidi wasdoubtfulandtheyincluded EllermanandMorrison-Scott(1951)reported T. Omaninthedistributionareaofthenominativeform. nudiventris fromPalestine,SaudiArabia,Egypt,and ThenakedbelliedTombbat,asamemberoftheupper Sudan; T.kachhensiskachhensis Dobson,1872from Mesopotamianfauna,occursasanimmigrantinTurkey India;T.k.magnus Wettstein,1913fromIraq;andT.k. (BendaandHoracek,1998).Thefirstrecordof T. nudaster Thomas,1915fromBurma.Harrison(1964) nudiventris fromTurkeyisgivenbySachanowiczetal. statedthat T.n.nudiventris wasdistributedinSouth (1999). 165 SomeTaxonomicFeaturesofTaphozousnudiventris Cretzschmar,1830vel1831fromTurkey(Chiroptera:Emballonuridae) Theaimofthisstudywastorevealthebaculum golddustfor2minbyaPolaronSC500.Thetip,middle, featuresandhairscaleformofT.nudiventrisforthefirst andbasalpartsofthehairswerephotographedat400x, timeandmakeacontributiontoitstaxonomy. 800x,and1000xmagnificationwithaJSM5600 scanningelectronmicroscope(SEM).Hairscalewidth wasmeasuredinmicrometers.Thehairscaleformswere MaterialsandMethods determinedaccordingtoBenedict(1957). Thisstudywasbasedononeadultandoneyoung ThespecimensweredepositedattheDepartmentof malespecimencaughtbyaerialnetinthevillageof Biology,FacultyofArtsandSciences,Universityof Ma¤aracık,Nizip,Gaziantep,Turkey(Figure1). Kırıkkale. Karyologicalanalyseswereperformedaccordingto Bakeretal.(1982).Thespecimenswereskinned, stuffed,andpreparedasconventionalmuseum Results specimens.ThebaculumwasextractedaccordingtoTopal Diagnosticcharacters: Theshapeofthebaculumisa (1958)andagedeterminationwascarriedoutaccording distinctivefeature.Thelengthandwidthofthebaculum toAnderson(1917)andBaagøe(1977).Fromeach oftheadultspecimenare0.67and0.30mm,respectively specimen,6externaland7cranialmeasurementswere (Figure2). taken.Cranialmeasurementswereobtainedwithadial Habitat: ThisspeciesprobablymigratestoTurkey caliper(accurateto0.01mm).Theabbreviationsfor fromthesouthinsummerforbreedingandparturition. externalandcranialmeasurements(mm)usedinthetext Itsbreedingcoloniesoccurindeepcrevicesoutsideof areasfollows:Ltotallength,HBheadandbodylength, man-madecaves. TLtaillength,Eearlength,HFhindfootlength,FA forearmlength,GTLgreatestskulllength,CBL Pelagecolor:Theadultspecimen’scolorispalelight condylobasallength,ZBzygomaticbreadth,BBbraincase brown,tingedverylightgray,whileventralcolorisdirty 3 whiteandtingedsomewhatlightpalebrown.Themouth, breadth,C-M maxillarytoothrowlength,C-M 3 mandibulartoothrowlength,Mmandiblelength,andW nose,andearsarebrown.Flightandtailmembranesare weight(g).Diagnosticcharacters,habitat,pelagecolor, lightbrownandtingedpaleyellow(Figure1).Theyoung measurements,andkaryology,alongwithcollection specimen’sdorsalcolorispalegray,tingedverylight locality,wererecorded.Thedeterminationofthefur brown,whereasventralcolorisdirtywhiteandtinged colorwascarriedoutaccordingtoRidgway(1885).The somewhatpalebrown.Mouth,nose,andearsarebrown, guardhairsweretakenfromtheshoulderbladesdorsally tingedpaleblack.Flightandtailmembranesarebrown andfromthebellyontheventralsidesandprepared andtingedsomewhatpaleblack. accordingtoHayat(1972).Hairspecimenswereleftin Measurements:Theexternalandcranial acetonefor30min,acetone-distilledwatersolution(1:1) measurementsoftheadultspecimenareasfollows:L for15min,andfinallyindistilledwaterfor10min.Dried 144,HB117,TL27,E19,HF24,FA74.7,GTL31.4, 3 hairsinpetridisheswereplacedonstubsandcoatedwith CBL25.2,ZB17.5,BB11.7,C-M 11.5,C-M3 13.6,M 22.2,andW90g.Someoftheexternalmeasurements oftheyoungspecimenareasfollows:L127,TL27,E 16,HF23,GTL29.1,CBL24.3,ZB16.8,C-M311.2,C- M3 13.5,M21.3,andW46g. Karyology:Inthe2malespecimensthatwere karyotyped,thediploidnumber(2n)andthenumberof autosomalarms(NFa)were42and64,respectively.The chromosomesetconsistedof9metacentric,3 submetacentric,and8acrocentricautosomepairs decreasinginsize.TheXchromosomewasamedium- sizedmetacentricandtheY,thesmallestchromosomeof theset,wasadot-likeacrocentric(Figure3). Figure1.AnadultT.nudiventris specimencaughtinNizip,Turkey. 166 N.AfiAN,‹.ALBAYRAK 3.5mm ABC Figure2. Theshapeofabaculumof T.nudiventris fromTurkey.Dorsalview(A),ventralview (B),andlateralview(C). Hairscaleform: Byexaminingthehairstakenfrom thedorsalandventralpartsoftheadultandyoung specimensof T.nudiventris, itwasfoundthatthescale formsweresimilarinstructurethroughout,butdifferent insize.Thescaleformsweredivaricate,dentatecoronal atthetipandtothebaseofthehair(Figure4A), divergent,dentatecoronalattheshaft(Figure4B),and appressed,repandcoronalatthebasalpart(Figure4C andD).Additionally,insomehairs,hairscalesbecame slenderatthebaseafterabroaderdistrictregion(abasal bulb)(Figure4C),butintheremaininghairspecimens a thisbroaderdistrictwasnotobserved(Figure4D). Discussion Acomparisonwasmadebetweenthemorphometric dataobtainedfromouradultspecimenandthosefrom Israel,SouthYemen,Oman,Iraq,Bahrain,andDjibouti (HarrisonandBates,1991;Pearchetal.,2001)(Figure 5). Accordingtotheexternalmeasurementsof2young XY specimenstakenfromthesamelocalityinTurkey, Sachanowiczetal.(1999)suggestedthatthese b specimensbelongedto T.n.magnus. Theexternaland Figure3. ConventionalstainedkaryotypeofamaleT.nudiventris from cranialmeasurementsoftheadultspecimensfrom Turkey. Turkeyareinaccordwiththosegivenfor T.n.magnus 167 SomeTaxonomicFeaturesofTaphozousnudiventris Cretzschmar,1830vel1831fromTurkey(Chiroptera:Emballonuridae) Figure4. Thescaleformsinthedorsalhairof T.nudiventris.Tip(A),shaft(B),andbasein2 forms(CandD). byHarrisonandBates(1991),thusweconfirmedthat ThefurcoloroftheadultTurkishspecimenisin thesubspeciesshowingdistributioninTurkeyis T.n. accordwiththatgivenbyHarrison(1964). magnus. Sinha(1987)examinedthebaculaofT.perforatus,T. Ourkaryologicaldatawerecomparedtodataobtained longimanus,and T.kachhensis distributedinIndia.The fromEgypt(HoodandBaker,1986;El-Dawyand baculumof T.kachhensis givenbySinha(1987)differs Ibrahim,1994;Yaseenetal.,1994)andTurkey(Karatafl fromthatof T.n.magnus inshapeandmeasurement, andSözen,2002).Thechromosomemorphologiesofthe onlyifT.n. kachhensis isacceptedasavalidsubspecies. subspecies T.n.nudiventris,T.n.magnus , and T.n. Benedict(1957)examinedthehairof T.nudiventris kachhensis werereportedtobedifferent(Karatafland withalightmicroscopeandstatedthatthedorsalhair Sözen,2002)withoutcomparingtheshapesof scaleformsin T.mauritianus , T.melanopogon ,and T. chromosomes.Ourstudyshowedthatourspecimens longimanus weredivaricate,dentatecoronal,whereasin werekaryologicallysimilartotheonesrepresentedin T.nudiventris theywerebothdivaricateanddivergent, Egypt,althoughHoodandBaker(1986),andKaratafl dentatecoronal,andin T.peli theyweredivergent, andSözen(2002)determinedthattheXchromosomeis dentatecoronal.Thedorsalandventralhairscaleforms submetacentric.Thedissimilaritiesbetweenthedata ofT.n.magnus weexaminedinTurkeywereinaccord couldbeduetotheheterochromatinamountin withthosegivenforthisspeciesbyBenedict(1957). chromosomes,ortodifferencesinauthorinterpretations ofchromosomemorphologies. 168 N.AfiAN,‹.ALBAYRAK

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    6 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us