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Stagetus Cobosi N. Sp. De Dorcatominae D'almeria, Península

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Stagetus Cobosi N. Sp. De Dorcatominae D'almeria, Península Orsis26,2012 187-192 Stagetus cobosin.sp.deDorcatominae d’Almeria,penínsulaIbèrica (Coleoptera:Ptinidae) AmadorViñolas UniversitatdeBarcelona.DepartamentdeBiologiaAnimal AvingudaDiagonal,645.08028Barcelona [email protected] Manuscritrebutl’octubrede2011 Resum EnaquestarticleesdescriuunanovaespèciedelgènereStagetusWollaston,1861,(Cole- optera,Ptinidae,Dorcatominae)deTabernas,provínciad’Almeria.Elsexemplarsestudiats vanserrecol·lectatsperR.Maciàeneldecursd’unadelessevesdarrerescampanyesper al’estudidelabiodiversitatdelslepidòpterspeninsulars(octubrede2011).Stagetus cobosi n.sp.estàbencaracteritzadaiesdiferenciad’altresespèciesdelgènereperlaformadel protòrax,pelpuntejatdelesestriesilasuperfíciedelsintervalsi,enespecial,perlaforma dellòbulmigdel’edeagus,elslòbulsdelsparàmersil’estructuradelespecesmitjanes, amésd’altresdetallsdelamorfologiaexternacomlesantenes,l’últimartelldelspalps maxil·lars,lapubescència,etc. Paraules clau: Coleoptera;Ptinidae;Dorcatominae;,Stagetus cobosi n.sp.;Almeria; Espanya;penínsulaIbèrica. Abstract. Stagetuscobosi n. sp. from Almería, Iberian Peninsula (Coleoptera: Ptinidae). AnewspeciesofthegenusStagetus Wollaston,1861,(Coleoptera,Ptinidae,Dorcatomi- nae)isdescribedfromTabernas,intheprovinceofAlmería.Thespecimenswerecollected duringacampaignsetupintheareaofRambladelaSierrabyR.Macià,tostudythebio- diversityofLepidopterain2011.Stagetus cobosin.sp.iswellcharacterizedanddifferen- tiatedfromotherspeciesofthegenusbytheshapeoftheprothorax,bypuncturedelytral striaeandthesurfaceoftheintervals,andespeciallybytheshapeofthemiddlelobeofthe aedeagus,thelobesoftheparameresandthestructureofmiddlepieces,inadditiontoother detailsoftheexternalmorphologylikeantennae,lastsegmentofthemaxillarypalps,and pubescence. Keywords:Coleoptera;Ptinidae;Dorcatominae;Stagetus cobosin.sp.;Almería;Spain; IberianPeninsula. 188 Orsis26,2012 A.Viñolas Introducció EnelstresúltimsanyshanestatnombroseslesnovetatsdelgènereStagetusWo- llaston,1861,enlapenínsulaIbèrica,tantperlanotableampliacióenladistribu- ciódelesespèciesconegudes(Silvaetal.,2008;Viñolas,2011b;Viñolas& Verdugo,2009,2011),comperl’addiciód’espèciesforanesperalafaunaibèrica (Silvaetal.,2008)operladescripciódenoustàxons(Viñolas,2011a,c).Aquesta allaudenovetatsesveuaraincrementadaambladescripciód’unanovaespècie peralgènere. Stagetus cobosin.sp.vasercapturatjuntadosexemplarsdeXyletinus (Calyp- terus)bucephalus(Illiger,1807)ialtrescoleòptersperl’entomòlegR.Maciàmit- jançantunparanydellumultraviolada,situatenlarambladelaSierra,enelterme deTabernas,provínciad’Almeria. AquestaramblaestrobasituadadinsdelParatgeNaturaldelDesertdeTaber- nas,espailocalitzatentrelesserresdeFilabresid’Alhamilla,iambunaextensió d’11625ha.L’àreaestàconsideradacomunverdaderdesertiésl’únicamb aquestescaracterístiquesexistentenelcontinenteuropeu.Lavegetaciódominant, enl’àreaonesvaubicarelparany,ésl’espart(Stipasp.)ilaginesta(Genistasp.). Stagetus cobosi n. sp. Diagnosi Laconformaciódelsèlitreselsituadinselgrupd’espèciesambpresènciadecal- lushumeral(Viñolas&Masó,2008),peròbenseparatdetotesellesperlacon- formaciódelsartellsdelfunicleantenal,perl’últimartelldelspalpsmaxil·larsi sobretotperlaparticularconformaciódel’edeagus,aixícomtambéperdiferents caràctersexternsqueeldefineixen.L’esmentadaconformaciódelfunicleelsitua alcostatdeS. pubescens (Pic,1920),encaraquelamaçaantenalmoltmésllarga queelfunicle,lamoltdiferentestructuradel’edeagusialtrescaràctersexternsels separen(Fig.2-4). L’estructuradelesantenesidel’edeaguselseparenclaramentdelsseusveïns peninsulars S. elongatus (Mulsant & Rey, 1861), S. franzi (Español, 1969), S. micoae (Viñolas,2011)iS. maciai(Viñolas,2011),aixícomelscaràctersexterns talscomlabrillantordelacutícula,pubescència,estriesiintervalselitrals,etc. Descripció Longitudde2.30a2.55mm.Cosconvex,decontornsubparal·lel,brillantid’un colorcastanyrogencmoltfosc(Fig.1);antenesipalpsrogencs,ambl’escapmés foscilespotesdelmateixcolordelcos;pubescènciadelapartsuperiordelcos groguenca,llargaisemierectaenelprotòraxidobleenelsèlitres,unadecurta, moltdensaiajagudaiunaaltrad’erectaidispersa. Capnoexcavatpersotaienpartcobertpelprotòrax.Antenesd’onzeartells, amblamaçadetresproporcionalmentllarga(Fig.3);elsartellssisè,setèioctau delfuniclebendesenvolupatsitanamplescomelnovè,elcinquèunamicamés Stagetus cobosin.sp.d’Almeria Orsis26,2012 189 Figura 1. Stagetus cobosin.sp.Holotypus.Escala0,5=mm. estretielquartpocsortint;lasumadelsartellsdelfunicleméscurtaqueladels artellsdelamaça.Últimartelldelspalpsmaxil·lars(Fig.5)moltllarg,estreti acuminatal’àpex. Protòraxtransvers,1.65vegadesmésamplequellarg,amblamàximaamplà- riaenlabase;margeslateralsestretitsenlíniaentrantcapal’àpexiamblavora fortamentvorejadadesdelsanglesposteriorsfinsalaproximitatdelsanteriors, onestrobatotalmentesborrada;anglesanteriorsmoltarrodonitsigensmarcats, elsposteriorsobtusos,benmarcatsiaixecats;l’àpexarrodonit,labasesinuada ambellòbulmigsortintiàmpliamentarrodonit;superfícieambelsortintlateral moltpocindicatiaigualdistànciadelsanglesanteriorsiposteriors,elpuntejat doble,pocdenseneldiscosimoltenelscostats. Escutelpentagonal.Èlitresdecontornsubparal·leliàmpliamentarrodonitsen lapartapical,1.31vegadesmésllargsqueamplespresosconjuntament;cal·lus humeralbenindicat;labasefinamentvorejada;toteslesestriesbenmarcades,les discalsambelpuntejatallargat,pocdensinodesbordantelcontornilesmargi- nalsambelpuntejatmésgros,mésimprèsilleugeramentdesbordantelcontorn; intervalsambpuntejatinapreciable,elsdiscalsamplesiplansielsmarginalslleu- geramentconvexos. Procoxescontigües,diferenciantdorsalmentunasuperfícietransversaiaixe- cada,meso-imetacoxesseparades.Mesosternambunsortintmiglongitudinal moltestretillarg;metasternsenseprocésintercoxaliambunsolcmiggran,pro- fundamentexcavat,mésenlameitatapical.Abdomenpocconvex,amblesester- 190 Orsis26,2012 A.Viñolas niteslliuresilasuturabenindicada;elprimerexcavatperalarecepciódeles potesposteriorsenrepòsielcinquèlleugeramentdeprimital’àpex;superfície fortairugosamentpuntejadaamblapubescènciallargaipocdensa,d’uncolor grisós.Fèmursitíbiesgràcils. Edeagussegonslafigura7;elsparàmerssónamplesibastantllargsambel lòbul,situatenl’àpex,moltgrandelamateixaampladaiamblasuturad’uniópoc diferenciada;lòbulmigproporcionalmentmoltllarg,decostatsrectesiambla màximaamplàriaenl’àpex,aquestdecontornarrodonit;elsacinternevaginat inerme,nomésambunflocdepubescència;pecesmitgesmoltbencaracteritza- des;voraposteriorfortamentpubescent.Segmentgenital(Fig.6)moltcuriós, ambquatrepecesmoltcaracterístiques. Femellacaracteritzadaperunamajorconvexitatdelcos,perlesantenesmés curtes(Fig.4)iambelsartellsdelfunicleestretitsprogressivament,nomésel vuitètanamplecomelnovè,iperalacinquenaesternitaabdominalgensdepri- mida. Figures 2-7.1)Stagetus pubescens (Pic,1920).2)Antena.Stagetus cobosin.sp.3)Antena delmascle.4)Antenadelafemella.5)Últimartelldelspalpsmaxil·lars.6)Segmentgeni- tal.7)Edeagusenvisióventral.Escala:a=0,1mm.b=0,2mm. Stagetus cobosin.sp.d’Almeria Orsis26,2012 191 Material estudiat.Holotypus:1♂,«RambladelaSierra|Tabernas,Almería| 03-X-2011 515 m | 30SWF5799 | R. Macià leg.». Dipositat en la col·lecció A.Viñolas. Paratypus:2♂i2♀,«RambladelaSierra|Tabernas,Almería|03-X-2011 515m|30SWF5799|R.Maciàleg.».DipositatsenelMuseudeCiènciesNaturals deBarcelonaienlacol·leccióA.Viñolas. Biologia.Esdesconeixperquèelsexemplarsconegutshanestatcapturatsamb paranydellumultraviolada.Perlescaracterístiquesdelllocderecol·lecció,vege- tacióiaridesa,labiologiapodriasersimilaraaltresespèciesconegudesdel gènerecomS. elongatus(Mulsant&Rey,1861)iS. maciaiViñolas,2011. Etimologia.Espèciededicadaal’entomòlegAntonioCobos(1922-1998),quevaser unbonamicigranespecialistad’elatèrids,buprèstidsitenebriònids,iquevarealitzar pràcticamenttotalasevalaborentomològicaenlaprovínciad’Almeria,quetanbé coneixiaiestimava. Distribució.Demomentnomésesconeixdelalocalitattípica,rambladela Sierra,eneltermedeTabernas,provínciad’Almeria,idinsdelParatgeNatural delDesertdeTabernas.Creiemquelasevadistribucióespodriaestendrepel quadrantsud-estdelapenínsulaIbèrica. Agraïments S’agraeixaRamonMaciàlasevadesinteressadarecol·leccióicessióperaestudi delscoleòpterscapturatseneldecursdelessevescampanyesrealitzadesperla penínsulaIbèricaamblafinalitatd’estudiarlabiodiversitatdelslepidòpters.A GlòriaMasóiBertaCaballero,delMuseudeCiènciesNaturalsdeBarcelona,les facilitatsofertesenlaconsultadelacol·lecciód’anòbidsdel’esmentadaentitat. Bibliografia Silva,I.deF.;Serrano,A.R.M.;Zahradník,P.2008.Additionstotheknowledgeofgenus Stagetus Wollaston,1861(Coleoptera,Ptinidae)intheIberianPeninsula.Graellsia,64 (2):335-338. Viñolas,A.2011a.Stagetus micoaen.sp.delParqueNacionaldeCabañeros,CiudadReal, España(Coleoptera:Anobiidae:Dorcatominae).HeteropterusRevistadeEntomología, 11(1):13-19. Viñolas,A.2011b.NuevoregistroynuevaslocalizacionesdePtinidaeparalaPenínsula Ibérica(Coleoptera:Bostrichoidea).Elytron,24(2010):3-18. Viñolas,A.2011c.Stagetus maciain.sp.deDorcatominaedelosMonegros,Aragón, PenínsulaIbèrica(Coleoptera:Ptinidae).Elytron,24(2010):137-142. Viñolas,A.;Masó,G.2006.RevisióndelgéneroStagetusWollaston,1861,enelÁfrica continental:descripciónden.sp.ynuevascitasparalaPenínsulaIbérica.Falsostage- tusn.gen.yn.sp.paraelÁfricaaustral(Coleoptera:Anobiidae:Dorcatominae). ButlletídelaInstitucióCatalanad’HistòriaNatural,74:37-80. 192 Orsis26,2012 A.Viñolas Viñolas,A.;Verdugo,A.2009.LosanóbidosdelosarroyosValdeinfiernoyJaral,Los Barrios,Cádiz,ParqueNaturaldelosAlcornocales(Coleoptera).Orsis,24:107-116. Viñolas,A.;Verdugo,A.2011.NuevascitacionesdeanóbidosparalaprovinciadeCádiz (Coleoptera:Bostrichoidea).ButlletídelaInstitucióCatalanad’HistòriaNatural,76 (2010):(enpremsa)..
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