New species and country records of Brazilian Cyclocephala (Coleoptera: Scarabaeidae: Dynastinae)

12 Pages·1992·5.2 MB·English

by  B C Ratcliffe

BRETTC. RATCLIFFE
UniversityofNebraskaStateMuseum
NEW SPECIES AND COUNTRY RECORDS OF
BRAZILIAN CYCLOCEPHÄLA (COLEOPTERA:
SCARABAEIDAE: DYNASTINAE)
C
Ratcliffe, B. 1992. NewspeciesandcountryrecordsofBrazilian Cyclocephala(Coleoptera:
Scarabaeidae: Dynastinae). - Tijdschrift voor Entomologie 136: 179-190, figs. 1-34. [issn
0040-7496]. Published 1 December 1992.
NinenewspeciesofCyclocephalaLatreiilearedescribedfromBrazil: C. amplitarsis, C. rondon-
iana, C. sarpedon,and C. schmitzorumfrom Rondonia; C. deltoïdesfromPara; and C iani, C.
nodanotherwon, C. pseudoconfusa, and C. sarahaefrom Amazonas. New country records for
Brazilaregiven for C. boulardiDechambre, C.guianaeEndrödi, C longaEndrödi, C. munda
Kirsch, C. ocellata Burmeister, and C. picipes (Olivier). Finally, the female of C. panthera
Dechambreisreportedforthefirsttimeandbrieflycharacterized.
Correspondence: Dr. B.C. RatclifFe, SystematicsResearchCollections,W436NebraskaHall,
UniversityofNebraskaStateMuseum,Lincoln,NE,68588-0514,U.S.A.
Keywords.-Brazil,Neotropics, Cyclocephala,newspecies,newcountryrecords.
Inthispaperaredescribed newspeciesandrecords CA, USA; MAMC - Miguel A. Moron, Xalapa,
of Cyclocephala that I collected during my stay in Mexico; MZSP - Museo de Zoologia da Universidade
Brazilfrom 1976-1978, fromcollectingtripstakenin deSäoPaulo,Brazil;PKLC-PaulK. Lago, University,
1980 and 1991, and from specimens either given or MI, USA; UCDC - University of California, Davis,
loaned to me in the interim. Each new species has CA, USA; UNSM - University of Nebraska State
beencorrelatedwiththemostrecentkeyto thegenus Museum, Lincoln, NE, USA; USNM - U.S. National
provided by Endrödi (1985) in order that the reader Museum,Washington, D. C, USA.
might know where they fall out in the key.
Appropriatenotationscanthenbemadeforfuturere-
Cyclocephalaamplitarsissp. n.
ference.Theparameresofthemales,diagnosticinvir-
tually all cases, are illustrated and accompanied by (figs. 1,9-12)
photo habitus pictures or linedrawings to clarify the Typematerial. -Holotype 6, allotype 9, andeightpa-
descriptionsofbodymorphology. ratypeslabelled: 'BRAZIL: Rondonia,62kmS.Ariquemes,
Faz.RanchoGrande, 10°32'S,62°48'W,XI-11-22-1991,
B. C. Ratcliffe, takenatlight;' 12paratypeswithsamedata
Several new country records are also listed. exceptcollectedbyL. G. BezarkandD. E. Russell; 4 para-
Although I andafewothers haveknownoftheseoc- typeswithsamedataexcept25.xi.1991,S. L. Heydon, Hg-
currences forseveral years, theyhave never been for- vaporlight;5additionalparatypeswithsamedataexceptda-
mally placed into the literature. The purpose oflis- tes of 27-XÌ-1991 (2), 29-XÌ-1991 (1), 4-xii-1991 (1),
ting these records is to provide an enhanced level of P5-oXrÌtÌo-1V9e9l1ho(,1);BR131p9a,ratkympe8l6a6b,ell2e8d-1B-R1A9S80I,L:loRrogendoArniiaas,,
roeultisaibdileitoyfctohencperrenviinogusliydepnutbifliicsahteidonraonfgetsa.xa that fall GCr.oDs.sCo.,,R6es-eMrva(etHeursm)b;ol1dpta,ra1t0y°pe11l'abSe,ll5e9d°B4R8A'SWIL,:13M-a1r9o-
Specimens have either been borrowed from orde- VII-1977,B.C.Ratcliffe,takenatlight Holotypeandallo-
positedinseveralcollections.Thesecollectionsarere- typedepositedatUNSM. ParatypesdepositedatMZSP,CASC,
ferredtobytheirfour-letteracronymsaspublishedin USNM, UNSM,UCDC, DERC,LGBC,andBCRC.
Arnett and Samuelson (1986) or as indicated here if
not inArnettandSamuelson: Description
BCRC- BrettC. Ratcliffe, Lincoln, NE, USA; CASC Male holotype (fig. I). - Length 12.9 mm; width
-CaliforniaAcademyofSciences,San Francisco,CA, across humeri 5.5 mm. Colour ofhead, pronotum,
USA; DERC - David E. Russell, Davis, CA, USA; scutellum, pygidium, venter, and legs black; elytra
HAHC - HenryandAnne Howden, Ottawa, Canada; testaceous with all margins, spots on humeral and
INPA - Instituto Naçional de Pesquisas daAmazonia, apicalumbones,andtriangularareabehindscutellum
Manaus, Brazil; LGBC-LarryG. Bezark, Sacramento, black.
179
TijdschriftvoorEntomologie,volume135,1992
Figs. 1-8. Cyclocephalaspp.,habitusofmales.- 1, Camplitarsis;2, C. deltoïdes;3, C. iani;4, C. nodanotherwon;5, C. rondo-
nianw,6, Csarahae,7, Csarpedon;8, C.schmitzorum.
Head: Surfacemoderatelydenselypunctate; punc- thanatapex. Clawimmenselyexpanded,subtriangu-
tures on frons and basal halfofclypeus small, punc- lar, apex entire. Posteriortarsus almost twice as long
tures on apical half of clypeus minute and denser. asposteriortibia.
Clypeus (fig. 9) with sides weakly converging, apex Parameres: figs. 11-12.
broadly truncate, narrowly reflexed. Interocular Female allotype. - Length 12.6 mm; width across
width 3.3 transverseeyediameters. Antennawith 10 humeri 5.6 mm. As holotype except in the following
segments, clubsubequaltosegments2-7. respects: Fiead: Clypeus inapicalhalfwithpunctures
Pronotum: Surfacewithpunctation similarto that not smaller, instead subequal in size to those on rest
offrons. Base lacking marginal line. Prosternai pro- of head. Elytra: Lateral margin slightly diluted at
cessonlymoderateinlength,obtuselyroundedatap- about middle and with strong, protuberant knob at
ex. aboutlevelofapicalumbone. Pygidiumnearlyflatin
Elytra: Surface minutely alutaceous, moderately lateral view. Legs: Foretibia tridentate, teeth equally
densely punctate; punctures moderately large, shal- spaced from one another. Foretarsi and claw not en-
low, with double rows on disc. Sparse, minute, pale larged.
setaepresent, especiallyinposteriorhalf Variation. - Males (18 paratypes). Length 12.3-
Pygidium:Surfacecompletely,finelyrugulosewith 14.0 mm; width across humeri 5.5-5.9 mm. Thepa-
sparse, minute, palesetae. Inlateralview, surfacewe- ratypesdo notdiffersignificantlyfrom theholotype.
aklyconvex. Females (14 paratypes). - Length 12.1-13.5 mm;
Legs: Foretibia bidentate, both teeth close to each width across humeri 5.4-6.1 mm. The females are
other at apex oftibia. Foretarsus (fig. 10) with seg- also remarkablysimilarto theallotypewith nosigni-
ment4expandedventrallyasastrongtooth;segment ficantdifferencesnoted.
5 greatly expanded for entire length, wider at base
180
Ratcliffe: NewBrazilianCyclocephaia
Distribution ly punctate; punctures moderate in size. Fron-
Cyclocephaia amplitarsis is known from primary toclypealsutureadistinctlyimpressed, biarcuateline.
lowland rainforests in central Rondonia and north- Clypeus in apical 2/3 finely and completely roughe-
westernMatoGrossoinBrazil.Allspecimenswereta- ned; sides barely converging to very broad, truncate
ken at lights, and one (collected byJorge Arias) was apex, apex reflexed. Interocular width 3.0 transverse
taken ataCDC light trapsuspended ataheightof6 eyediameters. Antenna 10-segmented, clubsubequal
m. inlength tosegments2-7.
Pronotum: Surface moderately punctate on disc,
Remarks becomingalittledenseronsides; puncturessmall on
The enlarged foretarsi and claws of C. amplitarsis disc,becomingmoderateinsizeonsides. Baselacking
bringtomind C. longimanaY)Qc\\3.mhxe, 1980and C. marginalline. Prosternaiprocessshort, mostlyobscu-
tarsalis Dechambre, 1979, but those species have a redbybrushoflongsetae.
bordered pronotum as well as many other different Elytra: Surfacewithmoderatetolargepuncturesin
characterstates. Cyclocephaiaamplitarsiswill keyonly striate rows, double rows ofpunctures distinct; sur-
so faras couplet 239 (242) in Endrödi (1985) (ifthe face,especiallyposteriorhalf,withminute, moderate-
surface is considered setose, couplet 221/272) where lydense, reddish brown setae. Pygidium: Surfaceco-
neitherchoiceconcerningforetibial teeth fits thecle- arsely shagreened, setigerous; setae reddish brown,
arlybidentatestateofthisspecies. minuteatbase,shortondiscandmoderatelylongne-
Iftheelytraareconsidered to haveshortsetae (lat- arapex. Inlateralview, surfaceevenlyconvex.
ter halfofcouplet 221/272), then C. amplitarsiswiW Legs: Foretibia bidentate, both teeth close to one
go as far as couplet 328/337 where neither choice anothernearapexoftibia. Foretarsuswithsegment 5
(concerningtridentateforetibia) isacceptable. (clawsegment) greatlyexpanded for its entire length
(fig. 13), wider at base than at apex. Clawofforetar-
Etymology susenlarged, apexentire. Posteriortarsusabouttwice
From the Latin amplus, meaning large and the aslongasposteriortibia.
Greek tarsor, meaning flat ofthe foot; large foot, a Parameres: figs. 14-15.
nouninapposition in referencetothegreatlyswollen
foretarsiofthemale. Distribution
CyclocephaiadeltoidesisknownonlyfromtheUrua
CyclocephaiaboulardiDechambre localityin Brazil'sAmazon National Park,whichwas
just being established in 1977. It was taken at lights
This species was described from Surinam, and the on a road cut in primarylowland rainforest near the
followingnewcountryrecord(romBrazilisnotsurpri- endofdryseason.
singinviewofthe relative affinities between the fau-
naofnorthern Brazil and theGuianas. Remarks
Brazil: Amazonas, Reserva Ducke, 26 km NE Like Cyclocephaiaamplitarsisdescribedelsewherein
Manaus, l-xii-1976, B. C. Ratchffe, at UV light (1 this paper, the enlarged foretarsi also resemble C.
malein BCRC). longimana Dechambre and C. tarsalis Dechambre,
but thosespecies havea margined baseofthe prono-
tum as well as other different character states.
Cyclocephaiadeltoïdessp. n.
Cyclocephaiadeltoidesmostcloselyresembles C. amp-
(figs. 2, 13-15)
litarsisbutdiffersfromitingreaterbodysize, smaller
UruTay,p6e5mkatmeriSaWl.h-aiHtoulbaoroynpeBR6230la,beXl-l1ed2-'1B5R-A1S9I7L7:, BP.arCa., sdiizfefearnedntdiffoferrmenttofotrhmeopfatrhaemefroerset,arstarliccollaowuriendmabloedsy,
Ratcliffe, habitat: tropical evergreen forest, collected at (black, piceous, testaceous), larger eyes, longer and
light.' (UNSM).
denser pygidial setae, and with larger and more dis-
tinctiveelytral punctures.
Description Ifthe elytra are considered setose (Endrödi's cou-
Male holotype (fig. 2). - Length 18.0 mm; width plet 221/272), then C deltoidesWiW keyonlyto cou-
acrosshumeri 8.0mm.Colourofclypeus,pronotum, plet 239/242 where neitherchoice offoretibia!teeth
scutellum, pygidium, legs, and venter piceous; frons works. Ifthe choice is made for the second part of
blackaswellasallelytralmargins(expandedintobro- couplet 221/272 (species with very short elytral
ad triangle behind scutellum), elongate spots on hu- setae), thenthisspecieskeystocouplet328/337whe-
meral and apical umbones, and punctures on elytra. re neither choice (concerning tridentate foretibia)
Remainderofelytratestaceous. works.
Head: Fronsandbaseofclypeusmoderatelydense-
181
TijdschriftvoorEntomologie,volume 135,1992
Figs.9-12. Cyclocephalaamplitarsis.—9,dorsalviewofhead; 10,dorsalviewofleftforetibiaandtarsus; 11, 12,caudalandla-
teralviewsofparameres;Figs. 13-15. C/^f/r«'^«.-13,dorsalviewofleftforetibiaandtarsus; 14, 15,caudalandlateralviews
ofparameres; Figs. 16-17. C iani,caudalandlateralviewsofparameres; Figs. 18-19. C. nodanotherwon,caudalandlateral
viewsofparameres.
182
Ratcliffe: NewBrazilianCyclocephala
Etymology convexitymoderate.
From the Greek delta meaning shaped Hke a delta Legs: Foretibia tridentate, basal tooth small and
or triangle; so named in reference to the large, black, greatly removed from other teeth. Foretarsus enlar-
postscutellarmarkon theelytra. ged, largerclawwithapexfinelycleft. Posteriortarsus
slightlylongerthan posteriortibia.
CyclocephalaguianaeEndrödi Parameres: figs. 16-17.
Female allotype. - Length 16.5 mm; width across
Endrödi described Cyclocephala guianae from humeri 8.1 mm. As holotypeexcept in the following
French Guiana. The records listed below are a new respects: Head: Fronswith puncturessparser, instead
countryrecordforBrazil. only moderate in density; clypeus with surface more
generally roughened so punctures not as distinct.
Brazil: Amazonas, Reserva Ducke, 26 km NE Manaus, Elytra: Lateral margin just behind middleweaklyex-
14-11-1977, B.C. Ratcliffe,takenatblacklight(3malesand panded. Pygidium: Surface slightly more flattened,
219f7e8maalensdiAn.BSCoRaCres, Icoflelmeacltoerat(1UNmSaMl)e;atsaUmNeSMd)a;tasbaumteld4a-tia- smallsetaegreatlyreducedinsizeandnumber,barely
but 18-VÌ-1976andA. Luna Diascollector(1 maleatINPA, discernible. Legs: Foretarsi notenlarged.
1 male at UNSM); same data but 14-1-1978 and L. P.
Albuquerquecollector(1 femaleatINPA).Amazonas,60km Distribution
N. Manaus, ZF3, km 23, 9-12-vi-1980, B. C. Ratcliffe (1 Cyclocephala iani is known only from Reserva
maleand2femalesinBCRC). Campinas (Instituto Naçional de Pesquisas da
Amazonia) northofManaus.This region ischaracte-
Cyclocephalaianisp. n. rized by lowland rainforest mixed with islands and
(figs. 3, 16-17) peninsulasofwhitesandsoils (campinas) andassocia-
Type material. - Holotype â and allotype 9 labelled ted low vegetation (campinarana). This soil/ vegeta-
'BRASIL:Amazonas, ReservaCampinas,60 miN Manaus, tion type, known as campinasamazonicas (Anderson
11-10-1977, W. W. Benson, ex: Annona nitida.' Types de- etal. 1975), iswherethereservetakesits name.
positedatUNSM.
Remarks
Description InEndrödi (1985), bothsexesofC ianiw'Alkeyto
Male holotype (fig. 3). - Length 16.1 mm; width C. undata (Olivier) in their respective parts of the
across humeri 8.0 mm. Colourtestaceouswith black Cyclocephalakey (329/330 formales, 297/298 forfe-
frons and elytral markings; elytral marks consist of males). The significant differences between them,
large postscutellar spot, small spot just mesad ofhu- however,clearlyindicatetheyarenotconspecific.The
meral umbone, asmallerspotbehindhumerus, anda differencesareprimarilyin thesculpturingofthecly-
short, transversezigzagbandjust behind middle; cly- peus, frons, andpronotum andespeciallyin theform
peus, pygidium, legs, andventerpiceous. ofthe parameres ofthe male. Theparameres, in fact,
Head: Surfaceoffrons moderatelydenselypuncta- mostcloselyresemblethoseofCpicipes(Olivier),but
te, puncturesmoderatelylarge; clypeusdenselypunc- othercharacters ofclypeal shape, surfacesculpturing,
tate, puncturesmostlymoderateinsize,surfacebeco- andcolourpatternsseparatethetwo.
ming rugose in narrow band at apex. Clypeus with
apex nearly semicircular, margins narrowly reflexed. Etymology
Interocular width 2.4 transverse eye diameters. Iampleasedtonamethisspeciesaftermyyoungest
Antennawith 10segments,clubsubequalinlengthto son, Ian,whohasso faithfullyassistedmein thefield
segments2-7. whilecollectingbeetles.
Pronotum: Surface with disc sparsely punctate,
punctures small; sides with punctures moderately
CyclocephalalongaEndrödi
dense and moderatelylarge, subequal in size to those
offrons. Base without marginal line. Prosternai pro- Endrödi (1963)describedthisspeciesfromBolivia.
cesslong, posteriorfaceatapexflattened. Thelocalitydatalistedbelow, actuallyjustacross the
Elytra: Surface finely alutaceous, moderately den- borderfrom Bolivia, isa newcountryrecord.
sely punctate; punctures large, shallow, double rows Brazil, Rio Branco, 25-vi-1962, Hawarth collector
weak. Minute,testaceoussetaepresent;setaemodera- (1 malein BCRC).
teindensity, mostapparentonposteriorhalf
Pygidium: Surface sparsely punctate in centre, be- CyclocephalamundaKirsch
coming denser on sides and rugose in lateral angles;
punctures on centre small, becoming large on sides, Although widely scattered over northern South
setigerous; setae minute, testaceous. In lateral view. America (Surinam, Colombia, Peru; Endrödi 1985),
183
TijdschriftvoorEntomologie,volume :35,1992
C. mundahasnotbeenrecordedfromBrazil.Thefol- foretarsusnotenlarged.
lowingisa newcountryrecord. Variation. - Male (1 paratype). Length 16.2 mm;
Brazil: Amazonas, Reserva Campinas, 60 mi N width across humeri 8.2 mm. Head: Surface a little
Manaus, 14-1-1977, B. C. Ratcliffe(1 maleinBCRC); moredenselypunctate. Clypeuswithapexalittleless
Amazonas, 15 km SE Barcelos, 14-1-1978, N.D. emarginate. Elytra: Setae near apices short, distinct.
Penny(1 maleinBCRC). Pygidium: Setae moderatelydense, short to modera-
tely,long.
Cyclocephalanodanotherwonsp. n.
Distribution
(figs. 4, 18-19) Cyclocephala nodanotherwon is known only from
Type material. - Hoiotype 6 and allotype 9 labelled LakeAnamaWSWofManaus.
'BRAZIL:Amazonas,LagoAnama, 160kmWSWManaus,
XI-1981, R. Best.' Singleparatypewithsamedatabutdate Remarks
ofl-v-1980. HolotypeandallotypedepositedatUNSM;pa-
ratypedepositedinBCRC. visThBiastessp)ecoires3wi0l6lk(eCy.tomueintdhearcKoiurpslceh)t2i9n8E(nCdrgördai-
(1985) dependingon theinterpretationofthedegree
Description ofpunctationon thepronotum (couplet299). Ineit-
Male holotype (fig. 4). - Length 15.6 mm; width hercase,however, neitherthepatameres,vestiture,or
acrosshumeri7.9 mm. Colourreddish brownexcept surface sculpturing conforms to that of C. nodan-
forblack, triangularareamesadofeacheyeon frons. otherwon.
Head: Surface finelyalutaceous, moderatelypunc- Theexamplesofthisnewspecieswerecollectedby
tate; punctures moderate in size, shallow. Robin Best (deceased), acolleagueofmineatBrazil's
Frontoclypeal suture distinct, weakly arcuate. National Institute of Amazonian Research (inpa),
Clypeus with apex broadly and deeply emarginate, while conducting research on manatees at Lago
narrowly reflexed. Interocular width 4.6 transverse Anama.
eyediameters.Antenna 10-segmented, clubsubequal
tosegments2-7. Etymology
Pronotum: Surface finely alutaceous, moderately This newspecies name is the result ofan arbitrary
punctate, puncturesbecomingdenseronsides; punc- combinationoflettets(hence,treatedasan indeclina-
tures moderate in size, shallow, becomingalittlelar- blenoun) andresultsinaspeciesnamenotinapprop-
ger and deeper on sides. Basewithout marginal line. riateinsuchalargegenus.
Prosternai process long, apex flattened in posterior
half.
CyclocephalaocellataBurmeister
Elytra: Surface finely alutaceous, moderately den-
sely punctate; punctures moderately large, shallow, Known previously from Ecuador and Peru
with 2pairofdouble rowsondisc; punctures inpos- (Endrödi 1985) and French Guiana (Dechambre,
teriorfourthwith minutesetae. 1979), thefollowingrepresentsa newcountryrecord.
Pygidium: Surface moderately densely punctate; Brazil: Amazonas, 46 km N Manaus, 1-29-viii-
punctures mostly large, shallow, setigerous; setae pa- 1979, H. M. Savage (1 femalein BCRC).
le, minute. Inlateralview,surfaceevenlyconvex.
Legs: Foretibia tridentate, basal tooth very small,
CyclocephalapantheraDechambre
well separated from other teeth. Foretarsus with 1
claw strongly enlarged, apex finely cleft, smaller ra- Dechambre (1979) described this distinctively
mus notwidelydiverging. Posteriortarsus about 1/3 markedspecies from asingle malespecimen taken in
longerthanposteriortibia. Para State, Brazil. I report here ten additional speci-
Patameres: figs. 18-19. mens from the Canadian National Collection of
Female allotype. - Length 15.8 mm; width across Insects that verify the valid status of Dechambre's
humeri 7.9 mm.As holotypeexcept in the following species. The specimens (six males, three females) are
respects: Colourofelytralight reddish brown. Head: labelledBRAZIL: Distrito Federal, EstacionFlotestal
Clypeuswithapexalittlelessemarginate. Pronotum: CabecadoVeado, 1100 m, 13-27 Oct. 1971, E. C,
Punctures sparse on disc to moderate in density on I. &E.A. Munroe.
sides. Elytra: Discal rows ofpunctures not distinct. The previously unknown females have the elytral
Sparse setae near apices long. Lateral margin slightly margin in the posterior third slightly (but distinctly)
expandedjustbehindmiddlewithstronglyexpanded thickened. In Endrödi's (1985) key to female
lateralflangejustbehindthis. Pygidium: Sparsesetae Cyclocephala, itwillkeyasfarascouplet261.Couplet
long. Convexity, in lateral view, weak. Legs: Clawof 262shouldbemodifiedas follows:
184
Ratcliffe: NewBrazilianCyclocephala
Idi (263) Surfacebare. Variation.-Males(2paratypes). Length 1Ll-12.0
262a. Head and pronotum piceous, elytra with mm;widthacrosshumeri 5.5-5.8mm.Theparatypes
variablepattern (Figs. 270, 273). Guyana, do notdifferappreciablyfrom theholotype.
Peru, Brazil (Amazonas), Bolivia
pugnaxArrow Distribution
262 b. Head with frons only black, pronotum Cyclocephalapseudoconfusaisknown onlyfrom the
and elytra with distinct pattern. Central typelocalitynorthofManaus. This isanareaofwhi-
Brazil .pantheraDechambre te sand soils (campinas) that occur in peninsulas or
patches.Thisparticularsoil/vegetationtypewaschar-
Cyclocephalapicipes(Olivier) acterizedbyAndersonetal. (1975).
Previously known from French Guiana (Endrödi Remarks
1985), thefollowingconstitutea newcountryrecord. This small, oval species will key as far as couplet
Brazil: Amazonas, Reserva Campinas, 60 km N 405 (404) in Endrödi (1985) which is C. corifiisa
Manaus, 15-Ì-1977 (1 male) and 18-Ì-1978 (1 fema- Endrödi.Whilefittinginallrespectstothecharacters
le), B. C. Ratcliffe (both in BCRC). listed in the couplet, the parameres are vastly diffe-
rent. The same can also be said for the similarity in
external characters with C. perconfusa Dechambre,
Cyclocephalapseudoconfusasp. n.
1992. These three species should cluster together in
(figs. 20-24)
anykeyand beseparable onlybythe form ofthepa-
Typematerial.-Holorype $,allotype 9,andtwopara- rameres in the males and the presence or absence of
akrlymlpoetsNypleMabadenelapluoedssi,'teBXdRIA-aS2tI2U-LN1:S9M7A.6m,aPzaBor.naaCt.syp,eRasRtcedlseiepfrfoevs.ai'tCeHadomliponitnByaCpsRe,Ca.6n0d slaeanisennxACp.aCpn.edprescdeounedfluoysctaor,nalfwumistaa)hr.gsilnighitnefxepmaalnessio(nmainrgCincsoinmfpu--
Description Etymology
Maleholotype.-Length9.4mm;widthacrosshu- FromtheGreekpseudes,meaningfalse, i.e.,thefal-
meri 4.8 mm. Bodyformshort, oval. Colourtestace- se C. confusa.
ousexceptforblackfrons.
Head: Surface of frons coarsely alutaceous with
moderately dense and moderately large punctures. Cyclocephalarondonianasp. n.
Clypeus with similar punctation mostly obscured by (figs. 5, 25-26)
surface roughness; sides subparallel, apex broadly Typematerial.-Holotype 6,allotype 9,andonepara-
truncate, narrowly reflexed (fig. 20). Interocular typelabelled'BRASIL:Rondonia,62kmS.Ariquemes,Faz.
width2.15 transverseeyediameters.Antenna 10-seg- RanchoGrande, 10°32'S, 62°48'W,XI-11-22-1991, B.
C. Ratcliffe,collectedatlight.'Additionalpararypewithsa-
mented, clubsubequaltosegments2-7. medataanddateof12-22-XJ-1991 andcollectedbyL. G.
Pronotum: Surface finely alutaceous with punctu- Bezarkand D. E. Russell, Hgvaporlight. Holotypeandal-
res moderate in density; punctures moderate in size lor)'pedepositedatUNSM. Paratypesdepositedin LGBCand
along midline, becoming moderately large on disc BCRC.
and sides. Base without marginal bead. Prosternai
processlong, posteriorfaceatapexflattened. Description
Elytra: Surface finely alutaceous with moderate to Male holotype (fig. 5). - Length 9.1 mm; width
large,shallowpunctures,doublerowsofpuncturesal- across humeri 4.0 mm. Colour testaceous except for
mostindistinct. blackfrons,smallspotonsideofpronotumatmiddle,
Pygidium: Surface densely punctate, punctures obliqueelytralvitta, suturai margin ofelytra, andba-
small. In lateralview, pygidiumevenlyconvex. seofelytraforshortdistanceeithersideofscutellum.
Legs: Foretibia (fig. 21) tridentate, basal tooth Head: Surface finelyalutaceous, moderatelypunc-
slightlyremovedfromotherteeth. Clawofforetarsus tate; punctures small, becoming slightly less distinct
with apex deeplysplit (fig. 22). Posterior tarsus sub- toward apexofclypeus. Frontoclypealsuture impres-
equal in lengthto posteriortibia. sed, arcuate. Clypeus with anterior angles rounded,
Parameres: figs. 23-24. apex truncate, margins thickened and reflexed.
Female allotype. - Length 10.6 mm; width across Interocular width 3.0 transverse eye diameters.
humeri 5.2 mm. As holotype except in the following Antennawith 10segments,clubsubequalinlengthto
respects: Elytra: Lateral marginslightlyexpandedjust segments2-7.
behindmiddle. Pygidium:Surfaceweaklyconvex,ne- Pronotum: Surface finely and weakly alutaceous,
arlyflat. Legs: Foretarsuswith clawnotenlarged. sparselypunctateon disc, puncturessmall; punctures
185
TijdschriftvoorEntomologie,volume 135,1992
22
Figs.20-24. Cyclocephalapseudoconfusa.-20,dorsalviewofhead;21,dorsalviewofleftforetibiaandtarsus;22,largeramus
ofleft foreclaw; 23, 24, caudal andlateralviewsofparameres; Figs. 25-26, C. rondoniana, caudal andlateralviewsofpara-
meres; Figs.27-28, C. sarahae,caudalandlateralviewsofparameres;Figs. 29-31, C. sarpedon.-29,dorsalviewofleftfore-
tarsus;30,31,caudalandlateralviewsofparameres;Figs.32-34. C.schmitzorum.-32,dorsalviewofleftforetarsus;33,34,
caudalandlateralviewsofparameres.
186
Ratchffe:NewBrazilian Cyclocephala
becoming slightly larger and denser on sides. Base equator, IV-10-1978, L. R. Lacey.' Holotype and allotype
withcompletemarginalline.Prosternaiprocessshort, depositedatUNSM;pararypedepositedin BCRC.
apexsimplyrounded.
Elytra:Surfacefinelyalutaceous,punctate;punctu- Description
res moderate in density, small, shallow (often indis- Male holotype (fig. 6). - Length 11.4 mm; width
tinct),somesetigerous; setaesparse, small,stout, red- across humeri 6.2 mm. Colourreddish brown except
dish brown. Doublerows notevident. for black frons and testaceous elytra. Form short,
Pygidium:Surfaceminutelyshagreened,moderate- oval.
ly punctate; punctures small, shallow to indistinct. Head: Surfaceoffrons moderatelypunctate (more
Sparsesetaepresentatbase. Inlateralview,surfacere- soinanteriorhalf); puncturesmoderateinsize, deep.
gularlyconvex. Frontoclypeal suture distinct, sinuate. Clypeus with
Legs: Foretibiatridentate, basal toothsimplyawe- surfacetransverselyrugopunctate;sidesconvergentto
akangulation,teethsubequallyspaced. Foretarsusen- broad, subtruncate apex, apex reflexed. Interocular
larged, large claw with apex entire. Posterior tarsus width2.25 transverseeyediameters.Antenna 10-seg-
rwiceaslongas posteriortibia. mented, clubalittlelongerthansegments2-7.
Parameres: figs. 25-26. Pronotum: Surface moderately punctate, beco-
Female allotype. - Length 8.7 mm; width across mingdenselypunctateon sides; puncturesdeep, mo-
humeri 3.8 mm. As holorypeexcept in the following derately large on disc, becoming large on sides.
respects: The black, elytral vitta reduced to 2 weakly Posteriorangles broadly rounded. Basewithout mar-
connected, elongate spots. Head: Punctures strong ginal line. Prosternai process long, flattened at apex
anddistinctoverentiresurface. Elytra: Puncturesdis- on posteriorhalf
tinct. Marginslightlyexpandedatmiddle. Pygidium: Elytra: Surface with large, shallow, umbilicate
Inlateralview, surfacenearlyflat. Legs: Foretibiadis- punctures; puncturesnot indistinctrows,surfacebe-
tinctlytridentate, teethsubequallyspaced. Foretarsus tween punctures minutelyalutaceousandshining.
andclawnotenlarged. Pygidium: Surface similar to that of pronotum
Variation. - Females (2). Length 8.8 mm each; with moderatelydenseand moderatelylarge punctu-
mm
width across humeri 3.9 each. Except for the resondisc, puncturesbecomingdenserandlargeron
elytral markings being reduced to 2 small, separate sidesandbase. Inlateralview,pygidiumstronglycon-
spots, the females do not vary significantly from the vex.
allotype. Legs: Foretibiatridentate, basal toothdistinctlyre-
moved from others. Foretarsus with 1 claw strongly
Distribution enlarged, apex finelycleft; smaller ramus ofclawnot
Cyclocephala rondoniana is known only from the widely divergent from larger ramus. Posterior tarsus
lowland rainforests on the Schmitz farm in short, subequal in length to posteriortibia.
Rondonia, Brazil. Parameres: figs. 27-28.
Female allotype. - Length 13.5 mm; width across
Remarks humeri 7.4 mm. As holotype except in the following
This species will key only so far as couplet 203 respects: Head: Frontoclypealsuturebroader, deeper.
(202) in Endrödi (1985), after which nothing fits. Clypeus with surface more coarsely rugopunctate.
The parameres appear closest to C. quadripunctata Elytra: Lateralmargin barelyexpandedataboutmid-
Höhne and C peruana Endrödi, but those species dle. Pygidium: Surface denselypunctate on disc, be-
lackamarginallineonthebaseofthepronotum.The coming rugopunctate on base and sides. Convexity
obliquelineon theelytraoftheholotype isdistincti- weak. Foretarsuswithclawnotenlarged.
ve although this is reduced to two spots in the three Variation. - Male (1 paratype). Length 10.3 mm;
females. width across humeri 5.6 mm. The single pararype
doesnotdifferappreciablyfrom theholotype.
Etymology
The proper name ofthe territoryofRondonia has Distribution
been convertedinto a noun in thegenitive to indica- Cyclocephalasarahaeis known only from the''type
te'ofRondonia.' locality' on the Rio Demini north ofBarcelos (a tri-
butaryofthe RioNegroaboveManaus).
Cyclocephalasarahaesp. n.
Remarks
(figs. 6, 27-28)
This species is externally similar to C. bicolor
Typematerial.- Holorype S, allotype 9 andsinglepa- Castelnau (couplet 408/409 in Endrödi, 1985) ex-
ratype labelled 'BRASIL: Amazonas, Rio Demeni nr. cept that the large foretarsal claw is finely split in C
187
TijdschriftvoorEntomologie,volume 135.1992
sarahaeandbroadlysplitin C. bicolor. Theparameres Pygidium: Surface roughened with moderately
are also vastly différent; in fact, no known species of dense,short, reddishbrownsetae.Inlateralview,sur-
Cyclocephalahas paramereseven remotelyresembling faceconvex.
thoseofC.sarahae. Cyclocephalasarahaewillkeyasfar Legs: Foretibia bidentate. Foretarsus expanded in
ascouplet404/405 in Endrödi (1985)which is C. te- size, clawbearingsegmentgreatlyenlargedatbaseon
staceaab. OvulumBates. Cyclocephalatestaceaab. Ovul- medial surface (fig. 29), larger claw with apex entire
umhas much simpler parameres, has the basal tooth butbearingsmall tuberclesubapically. Posteriortarsi
oftheforetibiabarelyseparated from the others, and about 1.8 times longer than posterior tibia. Meso-
isnotdistinctlybicolouredasin C. sarahae. andmetatibiawithstout (notbristle-like) setae.
Thisnewspecieswascollectedbyacolleague,Larry Parameres: figs. 30-31.
Lacey, while we were both working for Brazil's Female allotype. - Length 11.0 mm; width across
National Institute for Amazonian Research (inpa). humerus4.8mm.Asholotypeexceptinthefollowing
During a boat trip upriver by Lacey, periodic stops respects: Flared regionofelytral margin black. Head:
weremadetospendthenight,hencetheimpreciselo- Punctures slightly larger and denser. Elytra: Lateral
calityinformation. margin expanded just behind middle. Pygidium:
Surface glabrous, less convex. Legs: Foretibia triden-
Etymology tate,basaltoothonlyaweakangulation,allteethsub-
I am pleased to name this species after mydaugh- equallyspacedfromoneanother.
ter, Sarah, who, even though shewas not quite three Variation. - Males (13). Length 10.7-12.3 mm;
years old at the time, nevertheless helped me to col- width across humeri 4.8-5.2 mm. The paratypes are
lectAmazonian insectsduringourstayin Brazil. all similar to the holotype except that the size ofthe
elytral spots varies slightly (1 examplewith spots ne-
arlyobsolete), andtheSurinamspecimenhasthecly-
Cyclocephalasarpedonsp. n.
(figs. 7, 29-31) peaFlemaapleexs.ali(t2t3le).les-snLaernrgotwhly1r1o.u0n-d1e2d..8 mm; width
Typematerial.-Holotype S,allotype $,and 13parary- across humeri 4.8-5.5 mm. The female paratypes do
peslabelled'BRASIL: Rondonia,62kmS.Ariquemes,Faz. notdiffersignificantlyfrom theallotype.
RanchoGrande, 10° 32'S, 62°48'W,XI-11-22-1991, B.
C.Ratciiffe,collectedatlight.'Additionalparatypeswithsa-
me data (18) except collected by L. G. Bezark and D. E. Distribution
RussellandBRASIL:MatoGrosso,ReservaHumboldt, 10° Cyclocephala sarpedon is known from the lowland
11'S, 59°48'W, 16-22-III-1977, B.C. Ratciiffe,collected rain-forests of central Rondonia and northwestern
at light (4); Venezuela: Aragua, Rancho Grande, 20-VII- Mato Grosso states in Brazil and from north-central
1986,R.S.Millercolt. (1);Suriname,RaleighFalls,25-27- Surinam and north-centralVenezuela.All specimens
aVnIdL7a5l,loCtoylple:dDe.poEsnigtleedmaatn,UNcoSlMl.ectPeadraattylpiegshtsat(1C).ASHCo,loMrZySpP,e werecollectedatlights.
UCDC, UNSM, USNM, PKLC, DERC, LGBC, HAHC, MAMC, and
BCRC Remarks
.
The specimens of the type series are remarkably
Description consistent in expression oftheircharacterstates. The
Male holotype (fig. 7). - Length 11.7 mm; width narrowly parabolic clypeal apex, bidentate tibia, and
across humeri 5.0 mm. Colour testaceous with pice- theformofthemaleparameresarediagnosticforthis
oustarsiand3small,blackelytralspots(1 behindhu- species. It is very close in appearance to C. schmitzo-
merus, alarger, oblique, elongatespot mesadofthat, rum, but the size is generally smaller, the parameres
and 1 incentreofelytron behindmiddle). differ in shape (usually difficult to see due to dense
Head: Surface minutely alutaceous, moderately setaeon the parameres), and the males have the fifth
denselypunctate; punctures small, becomingsmaller tarsomere greatly expanded at the base medially (fig.
and denser at clypeal apex. Clypeus with apex nar- 29). Like C schmitzorum,thisspecieswillkeyonlyso
rowlyparabolic,reflexed. Interocularwidth3.0trans- farascouplet 193 (196) inEndrödi (1985)where,af-
verseeyediameters. Antennawith 10 segments, club terthat, characterstatesnolongerfit.
subequal inlength tosegments2-7.
Pronotum: Surface similar to that offrons except Etymology
punctures slightly larger and sparser on disc. Base Named after Sarpedon, a son ofZeus and Europa
with marginal line. Prosternai processshort, conical. and kingofLyciawho was killed in the Trojan War
Elytra: Surface with moderately dense, large, very ... and also because it was the very first epithet in a
shallow punctures, double rows on disc barely evi- scientificname (Graphiumsarpedon) thatI learnedas
dent; afew, short, palesetaepresenton apicalhalfin aboy. I'velikedthesoundoiûiztwordeversince.
barelydiscerniblerows.
188