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RevistaMexicanadeBiodiversidad92(2021):e923613
Taxonomyandsystematics
TwonewgeneraofTelegeusidae(Coleoptera)fromMexico
DosgénerosnuevosdeTelegeusidae(Coleoptera)deMéxico
SaraLópez-Péreza,SantiagoZaragoza-Caballerob,*
aUniversidadNacionalAutónomadeMéxico,FacultaddeEstudiosSuperioresZaragoza,MuseodeZoología,ColecciónColeopterológica,Av.
Guelatao66,EjércitodeOriente,Iztapalapa,09230CiudaddeMéxico,Mexico
bUniversidadNacionalAutónomadeMéxico,InstitutodeBiología,DepartamentodeZoología,Apartadopostal70-153,04510CiudaddeMéxico,
Mexico
*Correspondingauthor:******@(-Caballero)
Received:29June2020;accepted:8September2020
:lsid::pub:EDB9DCA1-0656-41F5-859A-5F9BB234D2C5
Abstract
.,.,.,
Chiapas,Mexico,.
Keywords:Neotropicalbeetles;TacanáVolcano;Newspecies;Malegenitalia
Resumen
.,.,
,Méás,seincluyeunaclavetaxonómicaparalaidentificacióndelosgéneros
deTelegeusidae.
Palabrasclave:Escarabajosneotropicales;VolcánTacaná;Especiesnuevas;Genitaliamasculina
IntroductioninMexico,Venezuela,Ecuador,FrenchGuiana,Trinidad
andPeru;andPseudokarumiaPic(1sp.)()
ThebeetlefamilyTelegeusidaeconsistsof21speciesdistributedinCostaRicaandPanama(Allen&Hutton,
belongingto3genera:TelegeusisHorn(16spp.)()1969;Barber,1952;Constantin,2010;Fleenor&Taber,
distributedinsouthernUnitedStates,MexicoandPanama;2001;Horn,1895;Martin,1931;Pic,1931;Rozaetal.,
PseudotelegeusisWittmer(4spp.)()distributed2019;Wittmer,1976;Zaragoza-Caballero,1975,1990,
ISSNversiónelectrónica:2007-8706;UniversidadNacionalAutónomadeMéxico,InstitutodeBiologí
CCBY-NC-ND()/
ópez-Pérez,-Caballero/RevistaMexicanadeBiodiversidad92(2021):e9236132
/
2008;2015;Zaragoza-Caballero&Rodríguez-Velez,
2011).Mexicohasthehighestdiversityoftelegeusids,focusingonCydistinae,theonlyspeciesoftelegeusid
with12speciesofTelegeusis(Horn,1895;Martin,sampledwasnestedwithinacladewithArtematopodidae
1931;Zaragoza-Caballero,1975,1990,2015;Zaragoza-andOmethidae(Kundrataetal.,2019).Telegeusidae’s
Caballero&Rodríguez-Velez,2011)and1speciesoftaxonomicpositionisunclear,sowetreatitherein
Pseudotelegeusis(Zaragoza-Caballero,2008).asafamily.
Thefamily’,orlong-lippedbeetles,arerecognizedby
(1895)
Barber(1952)suggestedagenericrelationshipwithterminalpalpomeres;bodydistinctlyflattened,narrowand
(1931)transferredTelegeusistoelongate;elytrashort,moderatelydenselyclothedwith
,Zaragoza-Caballero(1990)erectorsemierectsetae;antennae11-segmented,filiform
;clypeusbi-ortrilobate;pronotumquadrate,with
Moreover,differentphylogenetichypotheseshaveresultedmarginsbeaded;abdomenwith8or7(Pseudotelegeusis)
(2001,2003)ventrites;tibialspurswelldeveloped;andtarsalformula
recoveredacladewhereTelegeusisandPseudotelegeusis5-5-5(Ivie,2002;Lawrence,2010;Miller,2002).All
wererelatedwithseveralgeneraofPhengodidae,knownindividualsareadultmales,andnofemaleshave
.(2007),basedonbeendescribed(Lawrence,2010).Littleisknownabout
molecularevidenceof3genes,foundthroughaBayesianthenaturalhistoryandimmaturestagesoftelegeusid
,femalesareflightlessorneotenic,
.(2007),KundrataandBocakgiventherepeatedoccurrenceofneotenyintheelateriform
(2011)andKundrataetal.(2013),basedonmolecularlineage(Bocakovaetal.,2007).Accordingtovarious
evidence,(Allen&Huntton,1969;Fleeno&Taber,2001;
etal.(2014)proposedtosynonymizeTelegeusidaeRozaetal.,2019;Wittmer,1976;Zaragoza-Caballero,
withOmethidae,,2015;Zaragoza-Caballero&Rodríguez-Velez,
Zaragoza-CaballeroandZurita-García(2015),basedon2011),specimensofTelegeusidaehavebeencollectedby
morphologicalevidence,suggestedacloserelationshipusingdifferenttypesoftraps(Malaise,flightinterceptand
betweenTelegeusidaeandPhengodidae;Telegeusidaelight),fromdeserttohumidareas,mainlyduringApril,
wasfoundtobenestedwithinPhengodidaeasthesisterJulyandAugust.
)TelegeusismoroniZaragoza-Caballero,2015;b)PseudotelegeusisjiliotupaensisZaragoza-
Caballero,2008;c)PseudokarumiaangustataPic,1931(PhotographbyJenniferThomas,DivisionofEntomology,Universityof
KansasBiodiversityInstitute©).
ópez-Pérez,-Caballero/RevistaMexicanadeBiodiversidad92(2021):e9236133
/
Telegeusidbeetlesarerarelycollected;-segmented,
,insertedanteriortoeyesinlateralmarginsofhead.
paper,.,Eyeshemispherical,finelyfaceted,
.,.,
,,widerthanlong,withapronouncedmediantooth(Fig.
).,withapexsetose.
Maxillarypalpi3-segmented,shorterthanantennae;last
Materialandmethodspalpomerespatulate,6timeslongerthanpalpomere2(Fig.
2c);labialpalpi2-segmented,lastpalpishorterthanthe
Specimensstudiedwerecollectedwithflightintercept,scape().
blacklightandMalaisetrapsinthevicinityofTacaná().Thorax:pronotumquadrate,punctate,setose;
volcano,Chiapas,,lateralmarginssubparalleltoslightly
andmeasuredusingaCarlZeissDiscoveryV8®sinuate;anteriorandposterioranglespits;discslightly
,clothedwithshort,
Genitaliaweredissectedand,afterexamination,werehiddenbypronotum,longerthanwide,apextruncate,
,apexrounded,dorsallyclothedwitherect
herearethoseofHorn(1895),Barber(1952),,integument
Muir(1912),Zaragoza-Caballero(1975),andZaragoza-shiny,,revealing2abdominal
CaballeroandRodríguez-Velez(2011).;anteriorradial
obtainedusingaZeissAxioZoomV-16®stereoscopicvein(RA)somewhatsclerotized;radialcell(CR)obsolete;
microscopeequippedwithanAxiocamMRC5®,posteriorradialandmedianposteriorveinsfused;
ElectronmicrographswereobtainedusingaHitachi®cubital1(C1),cubital2(C2)andanalposteriorvein
S-2460N(15KV)(AP)welldefined().Prosternumreduced,wider
.
Entomology(CNIN),InstitutodeBiología,:trochanterspresentonall3pairsoflegs,elongate.
Anteriorandmiddlecoxaeconical;posteriorcoxae
,
elongate,-segmented;
.(-g,3a,b)tarsomere1equalinlengthto2–4combined;claws
:lsid::act:AF761705-:with8non-fusedventrites;pygidium
F05E-4579-(,g)trilobate;basalpiece
Typespecies:
;inventralview,basalpiecelongitudinalmargins
Telegeusisbythelastlabialpalpomerenotgreatlydivergingstronglyapically;laterallobessymmetrical,
enlargedandelongated;fromPseudotelegeusisbythemorethan3timeslongerthanwide,oval,twistednear
filiformantennaeandthe2-segmentedlabialpalpi;andapex;apexrounded,granulate,withlongsemierectsetae;
fromPseudokarumiabythesmoothtibialspines(seeamedianlobeprojectedventrally,weaklyarched,narrowed
completecomparisonbetweengenerainTable1).Thisapically,coveredbymedianstrut.
newgenusismostsimilar,andprobablycloselyrelated,
.,butiseasilyrecognizablebyTaxonomicsummary
thecoarselypunctatesurfaceclosetoeyes,
sutures,clypeuswithaverypronouncedmediantooth,formofthelaterallobesinmalegenitalia;stenus=slender;
aedeagusnotrobustandlaterallobesmorethan3timesdrilus=penis.
(Chiapas).
:headyellowwithsidesdarkbrown;
pronotumyellow;antennaeandelytradarkbrown(.(,b)
yellowlastantennomere);://:lsid::act:3E7AEFEA-
Body:elongate,parallel-sided,dorsoventrallyflattened,369E-40A4-B29F-1A086CA07DC6
clothedwithdense,::;
coarselypunctateclosetoeyes();:headandpronotumyellow,elytradark
;:surfaceflat;
ópez-Pérez,-Caballero/RevistaMexicanadeBiodiversidad92(2021):e9236134
/
Table1
ComparisonofgenericcharactersafterIvie(2002);Zaragoza-Caballero(1975,1990,2008);Zaragoza-CaballeroandRodríguez-Velez
(2011).
GeneraLabialMaxillarProportionp/TentorialAntennaeHeadTibialAbdominalLateral
palpipalpimax-p/labpitsbehindeyesspinesventriteslobesof
aedeagus
Telegeusis2-34Lastlabial2FiliformMoreSmooth8Wide
palpomerethantwice
similartolongitudinal
maxillarydiameterof
asantennae
Pseudotelegeusis14Lastmaxillary1-2StronglyShorterSmooth7-8Wide
palpomereserratethanor
aslongassubequalto
preceding3longitudinal
palpomeresdiameterof
eye
Pseudokarumia1--3timesSerrateNoNo
informationpalpomeresinformationlongerthaninformationinformation
longlongitudinal
diameterof
eye
timeslongerlongitudinal
thanlabialdiameterof
palpi1-2eye
combined
aslabialpalpilongitudinal
1-2combineddiameterof
eye
;integumentcoarselypunctate,
widerthanpronotum().Integumentshinyandespeciallyatposteriorthird;eachpuncturewithayellow,
chagreened,punctate;eachpuncturewithayellow,
:shiny,integumentchagreenedwithfine
concave;;eachpuncturewithayellowseta.
Antennaelonger(2mm)thanlastmaxillarypalpomere(.
mm);,
hemispherical;interoculardistanceslightlygreaterthanTaxonomicsummary
;
Thorax:pronotumwider()thanlong(),CancinoLópez,oneofthecollectorsofthespecies.
widthlessthanlengthofhead;:,
straight,anterioranglesprojectedforward,posteriorCacahoatán,EjidoBenitoJuárez,ElPlancercadeEstación
marginconvex,sidesconstrictedatmiddle;discflatandMeteorológica,7/IX/2018,1,487masl,15°05’27