A new synonymy in Dichrorampha that reveals an overlooked immigrant record for North America (Tortricidae)

2 Pages·2000·0.93 MB·English

by  William E Miller

JournaloftheLepidopterists'Society
53(2),1999,74-75
ANEWSYNONYMYINDICHRORAMPHATHATREVEALSAN OVERLOOKED
IMMIGRANTRECORD FORNORTHAMERICA(TORTRICIDAE)
Additionalkeywords: D. vancouverana,D.gueneeana,Grapholitini,Olethreutinae,holarctic.
TheholarcticgenusDichroramphacurrentlyincludesninerep- in 1975atIthaca, NewYork, thuspushingbacktheearliesteastern
resentativesin NorthAmerica(Miller 1983, Powell 1983) andsev- NorthAmericanrecordbymorethanadecade.
eraldozenin Eurasia(Obraztsov 1958, Razowski 1996). In revising Depositoryabbreviationsusedinthespecimenenumerationsbe-
Palaearctic Dichrorampha, Obraztsov (1953) proposed the new lowareasfollows:CNC,CanadianNationalCollectionofArthropods,
nameD. gueneeana foralong-knownspeciestowhichnoavailable Ottawa,ON;USNM,NationalMuseumofNaturalHistory,Washing-
nameclearlyapplied. MaleD. gueneeana haveadistallyupturned ton, DC;WDA, Washington StatWe Dept. ofAgriculture, Olympia. I
valva,asmallsharp-pointedprocessontheventroposterioredgeof thankP.T.Dang,Ottawa,ON,J. Rrown,Washington,DC,andE.
thecucullus, andalong,distallycurvedaedeagus,thesecharacters LaGasafortheopportunitytoexaminespecimensintheircare.Ialso
together forming a diagnostic suite (Figs. 35, 15, respectively, in thankJ. A. Powell, D. P. Prowell, andanunnamedreaderforuseful
Obraztsov 1953, 1958; Fig.4in Roberts 1991). Thesharp-pointed manuscriptreviews,andR. L. RrownandM. A. Robertsforhelpful
process on the cucullus is sometimes partiallyobscured in genital information.
slidepreparations. Specimensexamined.D.vancouveranaholotypemale(CNC);
Unknown to Obraztsov, McDunnough (1935) had earlier de- 1 male,"Achil. [probablyreferringtotheAchilleafoodplant]4-16-
scribedthesamemothasD. vancouveranabasedononemalecap- [18]98, Hamfelt Collection" [of known European origin], male
tured on Vancouver Island, RC. The D. vancouverana holotype genit. slide#2, 2-13-34, C[arl]. H[einrich]., USNM slide 72540; 1
maleanditsgenitalia(Fig.5inMcDunnough 1935) matchillustra- male,"CollectionO. Hofmann" [ofknown Europeanorigin],genit.
tionsandspecimensofbothPalaearcticandNearcticD. gueneeana slide# 1, 9-14-22, C[arl]. H[einrich]., USNM slide 72543; 1 male,
inallrespects. Sumas,Whatcom Co.,WN, 7-12-44,W. H. Raker,TruckCropNo.
Thenewsynonymyisformalizedinthefollowingnomenclatural 5276,genit. slide 12-27-44,C[arl]. Hfeinrich]., USNM slide71298;
review. 2males,DraytonHarbor,WhatcomCo.,WN,7.16.44,W.H.Raker,
Truck Crop No. 5278 (diagnostic parts of genitalia revealed by
Dichroramphavancouverana McDunnough descaling) (all USNM); 1 male,3.2km NWTenino,ThurstonCo.,
Dichroramphavancouverana McDunnough(1935). WN,7-9-96,E.LaGasa,genit.slideM 18;2females,PortofSeattle,
D.gueneeanaObraztsov(1953). NewSynonymy. KingCo.,WN, 7-17to28-98, M. Allen (genitalianotexamined); 1
haveThfiosurneiwmpsliycnaotniyonmsybaenydosnpdectiamxeonnoemxya.mi(n1)atDi.onvsarnecsouulvtienrgafnraoimsiat maamlien,edS)he(latllonW,DMAa)s.onCo.,WN,7-15-98, M.Allen(genitalianotex-
previouslyunsuspectedimmigrantin NorthAmerica. (2)Theyear LiteratureCited
cotfhoauMnvcefDriauvennandeoicunagNdhoe'rsstehadreAlsmiceerrriitpthciaaonn(tRohofebeDfri.rtsstvap1nu9c9bo1l)ui;vsehRreoadbnerare,tcso1r9fd3o5ou,fndiDs.amdvuoalrnte-s Rradcloeiyd,mJ.otDh.s.,WTorGtTrirceidmaee;wOalneth&reAu.tiSnmaiet.h.Ra1y97S9o.cieRtryi,tisLhontodrotrni,-
aatstwwelolMaasienaestseitrensiNnor1t9h88Amaenrdi1c9a9;1.be(s3i)dTehsethmeotthypoecscupresciinmewnesftreormn FernEanlgdl,anMd..3L3.61p9p5.0. Gray's manual ofbotany. Ed. 8. 1632 pp.
VWaanschoiunvgetro,nD.Stavtaen,coasuvsehroawnnabisyntohwersepceocridmeednsfreonmumfoeurratcoeudntbieelsowi.n KuzneDitosso—cvo,riVdeIs. P1r9e8s7s.,PFoarmtilalnydT,oOrtrreigcoind.ae[(1O9l8e7thrreepuritnitd]a.e,Cochyli-
ThesespecimenssuggestthatthespecieswasestablishedinWash- dae) tortricidmoths,pp. 279-956. In Medvedev, G. S. (ed.),
icenngttuorny;inittrheeap19p4e0asr.edThduerimnogtthhewa1s99n0ostisneseunrvdeiyesreforageaxiontifcoprehsatlsfina KLeepyisdotpottehrea,inPsaerctts1.oUf.tSh.eDEeuptr.opoefaAngrpiacrutltoufreth&e U(USSS)R.NaVtoilo.na4l.
western Washington (LaGasa 1998, LaGasa et al. 1998). Powell LaGaSscai,enEc.eF1o9u9n8d.atDiaotna,bWaassehirnegctoornd,sDu.mCm.ar[tyr:anLsleaptieddofprtoemraRusspseicain]e.s
(1988) reportedasimilarcollection hiatus forClepsis consimilana
ts(oHyrintirobinnceiydrms)y,fibrarsntiondtgehsteertcotPea1dc2iiftnihcceoNanosutramtlbhRwereristtoisfhtNoCrotorrltiuchmidbAimiaemmr(iiWgc.raaEnn.tiM.miml(il4e)grrTauhnnet- LaGacEsocalo,lne.Ec.tI,endsM..iCnoHlWilat.sc&hhicEnongxtt,oomnTo.lSU.tnatSreu.ruvh.Wad&sahtTia.nbRagsoteyodn(.ESItC1a9Et9Se8)..De41p9tp9.p7.Augpr-.
publ.),anumberthatspotlightstheareaasapremierimmigranten- date-survey and methods development for the apple tortrix-
Archipsfuscocupreanus(Lepidoptera:Tortricidae)inWashing-
tryportal.
Larval foodplants ofD. vancouverana in North America have ton State. Washington State Dept. Agr. Lab. Serv. Div. 1997
not been reported, but in Rritain and Europe, the larva feeds in McDuEnntnoomuogl.h,Proj.1R9e3p5t..N6epwp.Canadianeucosmidswithnotes(Lep-
rootstocks of milfoil (Achillea millefolium L.) and ox-eye daisy J.
ai(ln.ChN1or9ry7t9s,hanKAtumhzeneremitucsamovl(Fe1eu9rc8na7a)nl.tdhT1eh9me5u0lm)a,tLta.e)nrd(pbltoahtnehtfhAoasrstmeebrreaccaeloasmeoe)acn(acRtorurarddaillneigyzetedot Milli(edLroe,pptiWedr.oap)Et..eCraa1n:9.83T.EonrttNroeimcwoilds.aey)6n.7o:n1Py4rm0oic-e.1s49Ei.nntNoemaorlct.icSoDci.chWraosrha.mp8h5a:
727-733.
someauthors(Fernald1950),butothersarguethatAmericanAchil-
Orraztsov,N. 1953. SystematischeAufstellungundRemerkungen
l(eWaomoidlwleafrodli&umRiisckaectttua1l9l7y9t)h.everysimilarnativeA. lanulosa Nutt. iiberdiepalaearktischenArtenderGattungDichroramphaGn.
D. vancouverana is widely distributed in the Palaearctic (Lepidoptera, Tortricidae). Mitt. Munch. Entomol. Ges. 43:
10-101.
kD(Knuuonzwnnnoeutdsgioshtvr1i19b93u85t)7i,,onMRbaayiznsotewast(ekRsioabn1e9dr9tp6s)r.o1v9iI9nn1c)e,tshNeiseNRweraiHrtciatsmhipcCs,ohliitursmepbr(ieWas.e(nKMticel-ly Die. U1n9t5e8r.faDmiieliGeaOtlteutnhgreeuntidneare.paTliajed.arEknttioscmhoeln.T1o0r1t:ri2c2i9da-e2.61II..
inWinter 1993), NewYork(R. L. Rrownpers. comm.), andWash- Powell,J.A. 1983. Tortricidae,pp.31-41.InGR.W.Hodges,T.DoG-
ibmnyiggRthootbneuSrnttcastoev(e1(9rL9a1a)Gd,daisftauirot1nh9ae9lr8,sspeseaprcecichmiiemnngesnosfanlNdiosrtlteodhcabAleimlteyorwr)ie.ccaoAnrsdcssoulbgleegccetasiutoseneds WAmMimeunednirgrcikoec,eaEDn&n.toorJRm.t.ohAlD.ooafgvPiioMscwe,aexllDil.cRoe(Csei.densa.Fcr)el,curhdgCiuhFnsoegoucnnGk,draelJite.sintolonaf,nFdtrL.haoennEc.LdleoWepn.mi,odCnoEltpna,gtslesEare.naydo&.f
adults superficially resemble andcouldbe mixedwith more com-
mon congeners suchasD. sedatana (Rusck). Indeed, R. L. Rrown . 1988. RecordsofthePalearctictortricid,Clepsisconsimi-
(pers.comm.)recentlyfoundD. vancouveranaspecimenscaptured lana, in the Pacific Northwest: can an urban moth be over-
lookedforhalfacentury?Pan-Pac. Entomol.64:98-99.
Volume 53, Number2 75
Razowski,J. 1996. Tortricidae,pp. 130-157.In O. Karsholt,&.J. ofthe northeastern United States. Barron's, Woodbury, New
Razowski (eds.), The LepidopteraofEurope: adistributional York.318pp.
checklist.Apollo,Stenstrup,Denmark.
Roberts, M. A. 1991. Two Palaearctic species ofDichrorampha William E. Miller,DepartmentofEntomology, Universityof
discoveredinMaine(Tortricidae).J. Lepid. Soc.45:169-171. Minnesota, St. Paul,Minnesota55108, USA.
Winter,W. D. (ed.). 1993. TheNortheast,pp.46-48.In Season
summary1992. NewsWLepid. Soc. 1993,No.2. Submittedforpublication 10June 1998; revised andaccepted24
Woodward,C. H.&H. Rickett. 1979. Commonwildflowers February1999.