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A review of the Old World genus Fopius Wharton (Hymenoptera: Braconidae: Opiinae), with description of two new species reared from fruit-infesting Tephritidae (Diptera) PDF

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Preview A review of the Old World genus Fopius Wharton (Hymenoptera: Braconidae: Opiinae), with description of two new species reared from fruit-infesting Tephritidae (Diptera)

J.HYM.RES. Vol.8(1),1999,pp.48-64 A Review of the Old World GenusFopius Wharton (Hymenoptera: Braconidae: Opiinae), with Description ofTwo New Species Reared from Fruit-infestingTephritidae (Diptera) R.A.Wharton DepartmentofEntomology,TexasA&MUniversity,CollegeStation,Texas77843 — Abstract. TwonewspeciesoftheOldWorldgenusFopiusaredescribed:ceratitivonisfrom KenyaandschlingerifromQueensland,Australia.Bothspecieswererearedfromfruit-infesting Tephritidae;ceratitivorusfromCeratitisandschlingerifromBactrocera.Detailsareprovidedondif- ferentiationoftheknownspeciesofFopius,withdiscussionoftheirhosts,hostspecificity,and distribution.Theparasitoidsoffruit-infestingtephritidsfromKenyaarecloselyrelatedtothose fromMadagascar. The most recent comprehensive classi- phous Diptera, and all emerge from the ficationoftheOpiinaeisthethree-volume pupariumoftheirhosts.Hostsareknown monograph published by Fischer (1972, for one-third of the approximately 1500 1977, 1987). This collective work estab- describedspecies,withmostoftheserec- lishedabasisformoreintensescrutinyof ords pertaining to Agromyzidae and Te- the Opiinae, resulting in several subse- phritidae.AllrearedspeciesofFopiusare quentmodifications and additionstothe parasitoids ofTephritidae. Summaries of classification, includingthedescriptionof theliteratureonhostsandbiologyofthe the Old World genus Fopius (Wharton opiine parasitoids of Tephritidae can be 1987, van Achterberg and Maeto 1990). foundinFischer(1972, 1977, 1987),Clau- The numerous name changes affecting sen (1978), Wharton and Marsh (1978), opiine parasitoids of fruit-infesting Te- WhartonandGilstrap(1983),Gilstrapand phritidae were recently reviewed by Hart (1987), Wharton (1989, 1997a, b). Wharton(1997b),whoalsoprovidedsug- Messing (1996), Sivinski (1996), and Siv- gestionsfordelineationofspeciesgroups inskietal.(1997). within the genus Fopius. Additional Theprimarypurposeofthe workpre- changes in nomenclature, some of these sentedhereistofacilitateon-goingstudies affecting opiine parasitoids of tephritids, inbiological control by providingnames were published by van Achterberg and for two recently discovered, undescribed Salvo(1997)andQuickeetal.(1997).Keys species. Both species are ofinterest with to most of the species of Fopius can be respect to tephritid biological controlbe- foundinWhartonandGilstrap(1983)and causeoftheirpotentialforattackingeggs Fischer (1987), with both works treating orearly instars, andoneoftheseisana- the speciesunder the genericname Bios- tive parasitoid oftheMediterraneanfruit teres. Palacio et al. (1992) provide addi- fly,Ceratitiscapitata(Wiedemann).Theuse tionalinformationonseparationofmales ofparasiticHymenoptera forthebiologi- andimmaturesoftwosympatricspecies. calcontroloftephritid pestshasreceived All opiinebraconidsreared todateare considerable attention in recent years koinobiont endoparasitoids of cyclorrha- (Knipling 1992, Waterhouse 1993, Head- Volume8,Number1,1999 49 rickandGoeden 1996, Purcell, 1998),and IDENTIFICATION,RELATIONSHIPS, there are active programs currently un- HOSTS,ANDDISTRIBUTION derwayinseveralcountries. PATTERNS MATERIALSANDMETHODS The tephritid parasitoids in the genus mons.ifantWsgtepilhr.ete,i,haanlsltlwehefwmepraettosexmpsrceipectapeihlteceisiuomsPwneeaanrodsifosifCnr.eMFtaoGuhprreiseaiddeinesgusfescmrcrrho'limisapitnitfigdryeourpniieas,t esnFlsraooouttpnbeoaiomruuptaalsialriillganyrieemoensxinadtrblpeetyinahctddee,itilhllpnaeyrg(no3dpppRioloosSsebstasultierien<sqorgsiunui2oe,iRorsSlnarh)yise,odhdftgoaoerfnctrrdtvoehsenameneutcllormooataennthl-dg-e- Tinepahsrsiotciidaatei.onInwitshomvearicoausses,frupita-riansfietsotiidnsg osvoimpao)s.itCohrar(a1c.t3-e4r.5staXteslounsgeefrulthfaornimdeenstoi-- wuthneecroemnarfteiearrrimeaedld,frhhooomswtebvuealsrks,ofcriwuaiattsisonarsme.palreMesdo,sftwriotomhf cfrhyeaicrnoagrcdtssepreascrieetsphrewomivstiehdlevkedsnionawrTneabdtleiepshc1ru,istasiendddhobtseh-te isolatedpuparia.Inseveraloftherearings low. Eight closely related species for wfoerreFoipniduisvidcueranltliytiviosroulsa,tedn.prsipo.r, tpouepmaerria- bweheinchinhcosltudreedcoirndsthaeretalbalce.kinTghehatvaeblaelsios gence. Though this procedure decreases deemed more informative than a dichot- edwtehniesaStibhpcpleceetcarshitceimecohenonontrssrtaeencomftfderr/otagohmseresnwoncpcheiheiaywctsl(hiiydocuinatedlewospafdcrsaritmimhrabaeegeraeidrwl)eys,adp.setpi-ot inoppsralmerebosymeueeyndsntaottnkaawdelofyrotkrchb,hepeahcrasyaasclucoostwpgeeeeelrnlsiaettnafipdsocrroppavnruaiaorsdlvpsyeioissdissistep,nargnowecflhesiiumtcpihih--en cieshavebeendepositedinthefollowing identification. More than halfofthe spe- sBiA(HAIlenrgnaoTcs&ridnnttAisodioMMcbotlCuaruUDuoltno)ltelieoluo,pupeUnra(icsne(lrU:t,iBliBtQveoyPmBernUHBerAn,noMsn)i(in)itc,QvCt,oeDeaylrPAon,HusuIfbPaisl).etwt,uPryrarrBCaiiaoilN(imoilsaHfaalth(DDrnieoAAeyogpNQ)pNneIu,aaaICetrMan)eitlduQ,noumSsusnsteelatNTeanrleaeauttinnxtimeIdsauoson,,s--n,-f stcusftttiieephpnrarepeeeldosshrcc.emribiriieefmtsntsfoehitolendaTarlsanneto.bddywplipaipAesnrenrdpgagodeo1sgicorirtidft(eeiitoistshsoinhsecndcgeusalrsts)clueyosadpuincsieaopopnrnlsebgpelceleaiosucerfektsmsevi.nateantoIdhrgrfenaeweildeanstiwcievohendifoasodtrsfonuhtaeuulaehcnryrler--- urhistorisch Museum, Leiden (RMNH), — The Natural History Museum, London Cliaracter1. Striatesculptureonthesec- (BMNH), National Museum of Kenya, ondandthirdmetasomalterga. =stri- Nairobi, International Centre of Insect aeabsent; 1 = striaepresentontergum Physiologyand Ecology, Nairobi (ICIPE), 2 only;2 = striaepresenton tergum2 and U.S. National Museum of Natural andatleastbaseoftergum3.Formost History,Washington,D.C.(USNM). species, assignment of either character Descriptive terminology followsWhar- state orcharacterstate 1 isunambig- ton (1987, 1988, 1997b) and Sharkey and uous.Fopiusdeeralensis(Fullaway),how- Wharton (1997), and is based largely on ever, hasweakstriaeontergum2, and the works of Fischer (1972). A tabular thesculptureisnotalwaysreadilyvis- summary is presented rather than a di- ible(seediagnosisfollowingdescription chotomouskeytofacilitateassessmentof of F. schliugeri, n. sp.). Fopius skiniwri relationships and point out gaps in our (Fullaway), from thePhilippines, isthe knowledge. onlyspeciesinwhichstriaeareusually 50 JournalofHymenopteraResearch Table1. MatrixofcodedcharacterstatesforspeciesinthegenusFopntis(seetextforcharacterdefinition). Volume8,Number1,1999 51 in members of the F. marangensis (Fi- be so because the petiole is longer in scher)speciesgroup,asreflectedbyits state1. — codingin—Table1. Character9. Geographicdistribution. = Character5. Patternofsculptureand se- continentalAfrica;1 =Madagascar;2= tae on frons. = densely setose and southernAsia(2a = India;2b = south- lpeusnccetattoes,otmheedpeugnrceteu,regsivtienngdtihnegatpopecaora-- epaisntes,Asaian,diTnacilwuadni)n;g3In=doJnaepsaina,,ePahsitleirpn- 4a)n,cemiodflitnraenslvoenrgsietluydirnuaglullyosreugloisnee;s(1Fig=. Rtruisbsuitai;on4p=atntoerrtnhseagsitveernnhAeursetrdaolian.otDirse-- transverselystriateandimpunctateover flect the successful introductions of F. middlehalfoffrons,withdeep,widely arisaniis (Sonan) and F. vaiuienboschi spacedpunctureslaterally;2= laterally (Fullaway) to Hawaii and arisanus to amsediinalsltyat(eat1,mobsuttwliatrghelayfuewn,sciurlrpegtuulraerd, ChaCreancttrearl1A0m.e—riCcoal.or of mesosoma. = very weak wrinkles), midline with largely pale (red, orange, yellow, or spuhnacrtpatcea,ridneaprbeasssaleldy;al3on=gmsimdoloitnhe,;4im=- bbrroowwnni;sh2-w=hiptael)e;wi1th=lardgaerkblabclkacskpottso broad, transverse band of deep punc- on mesoscutum and mesopleuron. As- turesextendingfromocelli toeye, oth- sessment of coloration is somewhat erwisesmooth; 5 = denselysetoseand problematicduetopostmortemchang- punctate, the punctures discrete, with es, especially in shadesofred, yellow, nfoorinsdtiatceati5o,notfherugpousnicttieusreassianrestavteer0y; aplnedteorcaonngtei.nAulusmo,itnhesrheadisesalomfosrtedacformo-m Chadcaddireecbeeareusvnasrceestatnleile(ttelorFinypivsbse6oiasc.drss—h—pu;aesalra-cP1)nloe(ads=dawttehnpirwsedneacreclhmetldlaaeyiakrn)nlattg.ienhtccrgoeuiaeyl,raniibsfnesaiaarersn.,ne,dtlF.ev.lsi=estraatissuwitoavelalliinlynn- Chacrcdp=riioaaaaellrlcsodektro(ef-rero.vtrsrahaegr1lrd.w1iod.ahaciu—birasglicrehhDsi.h-oanbrnnartuseeohsaaewlrernalxe)ncyt.adeirsbniTvldanawaiabncneodukgenondofbp(fasoopknssetictttnhheineirome)ilrasoeitap.rereli-ey-s CChhaawoplwaid1lfrrf.eieiienlbaa3stanndgtocctifgggthutt.tioetfthitenellhh,rmcrrelclsoetaeool8essimanm7a.ryti)q.gme—pdru0trleatpo.aseehthSe9nslhRsul-sagaho.ese)1dnlrarl..ntiyitap1o(sgaet)nStetpw;rizighoiveinocr1cpe=adfatmtlslehsli=oplnahygsewrefeonietiinfetringrcidgitosrrgotts)tlesepnhhteeraaa..dictrffpsooetaillT(frnlchsaarhladaagg=oeflet(neeimllialrlyp-op(teslla;e0setwvoo.ptitla8mmihidi1tereecoeoaawyralrdls=Xtole,-eete Chancbpfrbdlftt=raiilaeeaooaepnlaaeracrdn.elywcstlasce,yttouel1ea;e;.erlnlaseret4a=ad3,klmhssc1-r=oa=d2sasenaao.sipriesos—itidsdrttdrdnehtiseiriaeadCrsfpnoscetoolcetnlpiaonneticgeontcrgfnnilicdtlcieofnytaesotysgottldplwurt,uyyetebarebaxaalelparxyne,tlpleeettalieeritleerwnrvneehovnvrigeaadeoanadotdtsrdtidtwhceaioeeonaedpofadarpgisldbsdiicortlistaocariveptnlhralidlialgsosleldgpsyailrugyeot;nlioyte;bsnlar.aiy2tssdt1pTt;opihnAiaoiiis==o-tn-ar1s-- miinnotrTeaerbmlepedair1aa.tleTl,ehle-asspiedrteeidfolleiecntiessdtnaobttyenie1tcsetschsoaadnriinligyn svsteeannttteradli3lf,yf.ebrueStnttatwdeiestghr1eetaisnpdoff2ldaetmvteeernleeoldpymderoernpstraelo--f wstiadtteh at(wbiadstehinatboatphe),xbmuatyapbpeeartwsicteo oavitproasnistvoerr;seanrdidsgteatensea3ranthde4tripeprofesetnhet 52 JournalofHymenopteraResearch conditionsforwhichitishypothesized ceae. Both desideratus and ottototiioauus herethatnodesand/ortransverseridg- have been recorded from undetermined eshavebeenlost.DetailedSEMworkis species of Dacus in cucurbits (Bridwell stillneededtoelucidatethesecharacter 1919, Fullaway 1957), and uiger was statesforma—nyofthespecies. reared from D. humeralis Bezzi (Wharton Character 13. Approximate ovipositor and Gilstrap 1983). The few remaining length.Valuesgivenaretotalovipositor publishedrecords(Bridwell1919,Clausen lengthdividedbylengthofmesosoma. etal. 1965)are fromCeratitisaiiouaeGra- Accurate measurement of ovipositor hamonMyriauthusarboreus(specimensof length often requires dissection, which desideratus)andTrirhithrumqueritumMun- Chawraasctneort1p4o.s—siMbelseofpolresuoramleosfettahee.spec=iesa.t rtoentoantivSterliy/chiidieonstiufsiaendibaasrebnesviissi)(.aAslplecmiemme-n least some setae present on mesopleu- bersofthisspeciesgrouphavelarge,sub- rondorsaltothespeculum(thedorsal- apical nodesonthe ovipositor. Based on posteriorsectionofthemesopleuron);1 comparisons of ovipositor morphology = setae completely absentabove spec- withspeciesofknownbiology in there- ulum. lated genusDiachasmimorphaAshmead,it issuggestedherethatmembersofthede- Table 1 hasbeen arranged to facilitate sideratusgroupattacklateinstarlarvaeof identification ofboth species and species their hosts. Members of this group are groups.Severalofthespeciesgroupsare known from Cameroon, Kenya, Nigeria, quite distinctive and thus readily recog- Tanzania, SouthAfrica, and Madagascar, nizable(Wharton1997b),andthesewillbe and undoubtedly occur throughout sub- treated first in the following discussion. saharanAfrica.Fopiusrubrithorax(Grang- Sincethefocusofthispaperisonparasit- er) is very similar to the other species oidsoffruit-infestingTephritidae,F. riifi- mentioned here, despite the reduced cornis (Granger)and themarangensisspe- sculptureonthefronsandaslightlymore cies group are not further discussed be- setose ovipositor sheath; and I therefore cause there are no host records and the placeitasabasalmemberofthisgroup. species are readily identified using Ta- Thisplacementassumesthatboththere- ble1. duced setal pattern on the ovipositor Thedesideratus species group ofFopius sheathandthepatternofsculptureonthe consistsofbevisi(Brues),desideratus(Brid- fronsofthefiveotherspeciesofthedesi- well), niger(Szepligeti),ottotomoamis(Ful- deratus group are derived relative to the laway), and riifotestaceiis (Granger). As conditions in rubrithorax; this remains to notedbyWhartonandGilstrap(1983),the betestedinamorerigorousfashion. species of the desideratus group are very ThepersulcatusspeciesgroupofFopius, similartooneanother.Forexample,riifo- characterized largely by striate sculpture testaceusisvirtuallyidenticaltobevisi,but onthesecondmetasomaltergum,consists hasthemesosomaredratherthanyellow ofaltcniatae(Tobias),arisanus(Sonan),car- or yellow-orange. Unfortunately, few ponn/iae (Silvestri), myolejae (Tobias), per- specimens havebeen available for study sulcatus(Silvestri),skinneri(Fullaway),and ofintraspecificvariationinthecolorpat- vaiulenboschi (Fullaway). The species are terns currently used to differentiate the verysimilartooneanother,butdifferpri- speciesofthisgroup.Therearepublished marilyincoloration,lengthofovipositor, host records (summarized by Wharton and configuration of the ovipositor tip. andGilstrap1983)forallbutriifotestaceiis. Followingtheirsuccessfulintroductionto Most of the specimens examined were Hawaii duringthebiologicalcontrolpro- reared from Dacus infesting Cucurbita- gramagainstorientalfruitfly(Clausenet Volume8,Number1,1999 53 al. 1965), arisaniis and vandenboschi were valve of the ovipositor suggests either a intensively studied, and much is now sistergrouprelationshiptothepersulcatus knownabouttheirbiology (withmostof speciesgrouporaparallellossrelativeto the early literature on arisaiius published thedesideratusspeciesgroup,butthishy- underthenameOpiiisoophihisFullaway). pothesisneedstobetestedmorerigorous- Intheirnativerange,centeredaroundMa- ly. Both sili>estrii and ceratitivorus have laysiaandIndonesia,bothareparasitoids been reared from ceratitine tephritidsin- oftephritidsinthedacinegenusBactwcera festing coffee, and silvestrii hasalsobeen Macquart. Unlike skinneri, neither is at- rearedfromDacusbivittatus(Bigot)infest- tracted to cucurbit-infesting flies. Other ing squash (Steck et al. 1986, Wharton than the original host records little is 1987). Othermembersofthisgrouphave knownabouttheotherspeciesinthisspe- notbeenreared. Membersofthesilvestrii ciesgroup,includingskinneri.Dataonper- speciesgrouphavemuchthesamedistri- sukaius(typematerialrearedfromB.car- bution pattern as those of the desideratus i/eae Kapoor)areparticularlyproblematic speciesgroup,andaredifferentiatedfrom because ofwidespread confusionregard- oneanotherlargelybycolor(silvestriiand ingtheidentityofthisspeciesduringthe pyknothrorax are dark, longicauda and cer- Hawaiian oriental fruit fly program, and atitivorusarepale)andovipositorlength. thesubsequentdescriptionofseveralsub- The remaining three species, caudatus, species (Fischer 1965). The other species deeralensis, and schlingeri, do not readily (viz. carpomi/iae, tm/olejae, and alternatae) cluster into distinctive species groups. havebeen reared, respectively, from try- Identificationofdeeralensisandschlingeriis petine tephritids in the genera Carpomya discussedbelow underthe diagnosisfol- Costa, Myoleja Rondani, and Rhagoletis lowing the description of schlingeri; cau- Loew. Based on the similarities in the datus is readily separated from all other shapeoftheovipositortip, all speciesin speciesofFopiusbythedistinctivebandof thisspeciesgrouppreferentiallyattackei- setae and punctures on the frons. Both thertheeggorearlyinstarlarvaoftheir deeralensisandschlingeriarefromQueens- host (though all eventually emerge from land,where(asnotedbelowunderthede- thepuparium).Thisbiology,however,has scriptionofschlingeriandinClausenetal. only been confirmed forarisanus (attack- 1965)theyhavebeenrearedfromvarious ingeggs)and vandenboschi(attackingpri- species of Bactrocera in a variety of host marily first instars). The species of this fruits. Fopius caudatus has thus far been groupareknownfromPakistanandIndia reared exclusively from ceratitines(Steck eastthroughIndonesiaandnorththrough etal. 1986). Itisknown from tropicalre- Taiwan,Japan,andfareasternRussia. gionsofbotheasternandwesternAfrica, Wharton (1997b) delimited a silvestrii whereithasbeenrearedfromcoffeeber- species group containing longicauda ries containing theceratitinesTrirhithruin (Granger), pyknothorax (Fischer), and sil- coffeae Bezzi, C. anonae and C. capitata as vestrii (Wharton). One of the species de- wellasfromotherfruitscontaininganon- scribed below, ceratitivorus, also belongs ae.Specifichostrecordsforcaudatusneed here. This group is currently defined confirmation, in part because of earlier largelybytheabsenceoffeaturesthatde- confusionregardingitsidentity(Wharton finethethreespeciesgroupsalreadymen- 1987).Thisspeciesresemblesmembersof tioned: the clypeus lacks a median tooth the desideratus species group in the mor- on the ventral margin, the setae on the phology of the clypeus and petiole, but ovipositorsheatharenotreduced,andthe has a distinctly different ovipositor second metasomal tergum is unsculp- (strongly narrowed, suggesting oviposi- tured.Reductionoffeaturesonthedorsal tioninthehostegg)aswellasseveralfea- 54 JournalofHymenopteraResearch tures unusual for members of the genus DESCRIPTIONS FoApmsfe(wWhagretnoernal1i9z9a7tbi).ons can be made FopiusceratitsipvoercuisesWharton,new about hosts and distribution patterns, (Figs.1,2,7,8, 10, 11, 13-15,21) ewssr1Sttsriepv9ihiooots6aetnemimwt5tcghnner,ileietigewesnchSstr)htetahhoetarfhoerdhoueosetcaeruptkviat,grwceroloehuiehfotnrmfoitdahirranhocitoltueleu.fhseiinyrfrtdtvt1sews.-elb9r,iyec8e(enrRea6unfe.aehek)trnnnaasrgndltgsrv.ereoieuinesvencsgwnteeagaghglvnru(oesetekdsCsrerdoanotltpaeftohnlacfurrtlwsuorsehihpyslrtocaeaedeioctomvnsdfidrnesftrdgai,ehfsocbectenreimbeaartoau1errayilm6tensa..-- btpesbsitfirlusqpehoamhonuaFattmeecaacenwedstlidmre,wanieadetdtbhgrlmiongeraesoeodt.tt;brataiha—eenhdanadHdttrecmnieewepoerescanurettmudngoeaeftema:hmnnrhrslbociaooueoenn1mbftsmne.a,bcot5nplsteu;s5utoeop-tttnnsra1muwcdgut.oti;melt7(prud;eut5esurro1snraneri.nlfcu(s2dlattlt;m5ycgvoiou-,e)raes=1ruree.eleai1dtyl3ixss.aiaeo5t6sbe;wg5tela,raiseHn±efnhbd.mlpcaroob0iootertouu7nwlltens)ttyg,,-rs rearedfromhostsintwoorthreedifferent longitudinally rugulose along midline, tribes.Mostoftheknownhostsbelongto highlypolishedandweaklydepressedba- ttehpehtrriitbiedsCseurbaftaitmiinliyanDdacDiancainei,(bWohtihteinatnhde sdaelelpylyonpuenicthteartesiedleseowfherrueg,ultohseepmaitdclhineo,f Elson-Harris 1992). Except where they punctures on each side anteriorad ocelli have been introduced for biological con- usuallymoredenselyspaced,occasionally trol,membersofthepersukatusgroupoc- withpuncturescoalescent,ocellartriangle cur outside the range of fruit-infesting almostcompletelymarginedbyacrenulate Ceratitini, andseveralofthemhavebeen sulcus.Occipitalcarinainlateralviewex- rearedfromTrypetiniinthetephritidsub- tendingdorsallyfrombaseofmandibleto familyTrypetinae.Whereintroducedout- a pointjustbelow topofeye. Clypeusin stta1DHdnaariib9ioaanodd8llatcewTdse1e,lcah)ofh.vtoi(eatslahacroCieoesnicYlgwimdseaaareetretaitseuron,nntiml-snuubaooaicaessocnwrtnotnskahifpnicFaloeithvehoolnnsrleatiptystodeihhilrdauenialVavsosrgp.ftina)ortengpnbfu1amrderoTrie9ceeetuteo6ktni-cfpv5wit(bokh,oign-reorDfdafiseiuWeenblcitntssfaihlhinhteon-aidteisetlmarnrthovehaegiotegtsi,nkadipodTgaivcufeleenana.cecaptnrlgieuheic1eednbprs9etcshi(aae9ortbn6feaniiuout)ooln---fots..fr pvccvlt5(vo3areeolht.fae0monnn0oyrb=xeftth-vspyyr3ri)r3eeeeeal.au.xwausle1l2m,es.idla±nyampstvA0;anwkalipe.ntmolhirmar3titcgytegeyr)edhlseienntdtrysmntnlehlnppplitycaieeaolmomlrecunefaesydb3ksgsonseie1ucef,dnn-llrslcbigel3yagofaobidtp7tainrimglcehgnenlhpseeumaee,tg,ledsaesnlreogsdywtrtdmitltcmseelohaeaelteaeliarlrnomwslsynglksstpiseoyelloevca,d;steieydmcn.h;oe;oedlaswmn2ddeenrtE;c.aiineteoye8r;agawwvmua5eeletieipgl-chlfnddlhi3tioy(lttne.elroa;nsyhdhg8sfytt Mophfardicatoigndatssi).nceaAnrtlatalhnodAufgrthihcaaatfo(efawsaoddfjoatcheeitnsMtahdroeasggtiaostne-s- fholenaadgd.e.lMlaMoxemiselroleasro0ym.9ap-:a0l.p91s5.2l.t5oi-nm1g.ee3sr5lt(ehmnagn=t1hh.e3io±gf0h.ts0e5co)-f car elements (notably rubrithorax and es- times longer than high, 1.55-1.7 pecially ruficornis) are unique in several (m=1.65±0.05) times longer than broad. respects, both rufotestaceusand longicauda Medianlobeofmesoscutumwith2paral- have their closest known relatives (bevisi lel, rugosopunctate, longitudinal grooves andceratitivorusrespectively)ontheadja- extendingmorethanhalflengthofmedian centmainland. lobe, median lobe otherwise setose, with Volume8,Number1,1999 55 Ffirgosn.s;1-56,.i^cHhleiangdesrioffacFoepnaiinidspcpl.y:pe1usa;nd6,2,liccccrrualtciitiifvisonifsacferoannsdancdlyfpaecue;s3(,msocs/ti/dsieytcanefabcreokaennd),clajrpreousw;=4,amieiidHiiiaHni projectiononventralmarginofclypeus. scattered, deep punctures; lateral lobes betweenstrigoseareaandscutellarsulcus bare and impunctate medially, with nu- with scattered, deep punctures, postero- merous, relativelylong, inwardlydirected medianareaeitherbroadlyandveryshal- setaearound margins; notaulibroadening lowly depressed or with a shallow, more posteriorly, distinctly crenulate through- discrete midpit. Scutellar sulcus broader out, with pits usually becoming elongate mediallythanlaterally, theposteriormar- posteromediallywheretheridgesbetween gin with a distinct median excavation; the pits form a small strigose area; space number of longitudinal ridges in sulcus 56 JournalofHymenopteraResearch variable. Metanotum with relatively low pointed posteriorly but short, not greatly median ridge. Propodeum finely, densely attenuate.Ovipositortipweaklynarrowed rugose,thesculpturewithoutobviouspat- apically,withoutdistinctdorsalnodeorca- tern; elevated median longitudinal carina rinabutwithweakventralserrations;1.65- usuallydistinctonlyonanterior0.25-0.35; 1.95(m=1.8±0.1)timeslongerthanmeso- propodeum laterally not separated from soma; ovipositor sheath densely setose metapleuronbyawell-definedpleuralca- withmultiplerowsofatleast30setaeeach, rina, thedemarcationrepresentedonlyby thenumberofrowsdifficulttodistinguish the transition to the weakly sculptured because of density of setae; sheath 1.35- dorsalportionofthemetapleuron.Stemau- 1.55(m=1.45±0.05)timeslongerthanme- lusbroad,deep,crenulatethroughout,ex- sosoma.Color:Pale,yellowtoorange,the tending posteriorlyroughly0.7timesdis- exacthuedependentlargelyonmannerof tancefromanteriormarginofmesopleuron preservation;ovipositorsheath,veins,and tomidcoxa;crenulatesculptureextending stigmabrown;antennabrown,withscape, dorsally along anterior margin of meso- pedicel, and basal flagellomeres usually pleuron through subalar depression; pos- yellowt—oorangemedially.Wingshyaline. teriormargincrenulateventradspeculum, Male. Asinfemaleexcepteye2.9±0.25 butwithunsculpturedsulcusdorsally;me- times longer than temple; antenna 30-35 tsaolplceaurrinaalpdriesscenste,tobsuettvharroiuoguhsloyutd;evpeolsotppeedc.- s1.e2g5me(nmt=ed1;.1p5e±t0i.o0l5e)ntairmreoswleodngaetratphexa,n1a.pi1-- Wing: SHgma 2.7-2.9 (m=2.85±0.1) times cal width, apex 1.6-1.95 (m=1.75±0.1) longer than wide, with r arising slightly times wider than base; dorsope less dis- distad its midpoint; 2RS weakly sinuate, tinct.Length:2.0-3.4(9)and1.85-2.9(6) 1.2-1.45 (m=1.3±0.05) times longer than mm. — 3RSa;3RSa1.55-2.5(m=2.1±0.3)timeslon- Hosts. This species has been reared ger than r; 3RSb ending slightly but dis- fromisolatedpupariaoffruit-infestingTe- tinctlyanterioradwingtip;(RS-l-M)asinu- phritidae attacking coffeeincentral Ken- ate;(RS-l-]VI)bpresent,m-cunearlyalways ya.Ithasalsobeenrearedfrombulksam- arising distinctly basad 2RS; Icu-a incli- ples of coffee. The tephritids from these vous,usuallypostfurcalrelativetoIMbut samples,inorderofabundance,wereCer- varying from interstitial to postfurcal by atitiscapitata,C. rosaKarsch,and Trirliith- 0.4timesitslength.Hindwingm-curecli- ruin coffeae. All are members ofthe tribe vous, straight or very weakly recurved Ceratitini,subtribeCe—ratitina. nearwingmargin,extendingtowingmar- Material examined. Holotype female, ginornearlysoaswell-developed,deeply "Kenya: Ruiru C. R. F. 17.IX.1996 ex: te- impressedcrease,usuallyweaklypigment- phritid on coffee berries Ref. No. CB03" edanteriorly.Metasoma: Petiole0.95-1.05 Deposited in Kenya National Museum, (m=1.0±0.05) times longer than apical Nairobi. Paratypes (BMNH, BPBM, width, apex 1.80-2.15(m=1.95±0.1)Hmes RMNH,HDA,ICIPE,TAMU,USNM):59, widerthanbase;denselyandfinelystriate; 76,"Kenya:Nairobi20.V.1997ex:Ceratitis dorsal carinae well-developed over basal capitata, coffee M. Ramadan & R. Mess- two-thirds, weakerposteriorlybutdistinct ing"; 339, 259, "Kenya E. Province, to posterior margin, carinae very weakly MbeereDistrMbetisouthRurima30.iv.97 converging,withdistancebetweencarinae ICIPEFruitflyProjectexFruittlyonCoffee at posterior margin roughlyequal to dis- berries"; 19, 16, "Kenya: Ruiru 15mi tance to lateral margin; dorsope present NNE Nairobi 10.iv.l995 ex: coffee No. but not extending basally as a deep pit. CB05 ICIPE Collections"; 19, "Kenya: Metasoma unsculptured beyond petiole. WesternProv.Koruiv.l995ex.Coffeaca- Hypopygium strongly narrowed and neophora CAB Collections" and, 16 Volume8,Number1,1999 57 Figs.7-10. fi);iii(sspp.:7,ccratitiz\^n(^head,arrows=topofoccipitalcarinaancJmid-dorsalelevationof clypeus;8and10,cernlitivonisdorsalviewofmesosoma;9,schliiigeridorsalviewofmesosoma.

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