Two New Tenebrionid Species of a New Genus (Coleoptera, Tenebrionidae, Strongyliini) from the Oriental Region

2005·4.3 MB·

by  Masumoto, K

E/、・t1・11.T()k、・().33(2):417-423.November19.2005
TwoNewTenebrionidSpeciesofaNewGenus(Coleoptera,
Tenebrionidae,Strongyliini) fromtheOrientalRegion
Kimio MAsU、,loTo
InstituteofHumanLivingScienccs.0tsumaWomen'sUni、・crsity.Tokyo.102-83、'7Japan
and
StanislavBEc、AR
InstituteofEntomology.CzechAcademyofSciences,Braniso、,ska31
37005.CcskcBudcjovicc.(zcchRepublic
Abstract T、、,onewspecieso「anewtcncbrionidgcnusB1・elite,・1-11saredescribed
underthenames 1・cite,・1-11sc・1(,11-)/Ie,IslA・ genctspnovandaf)ae/l/-1sp no、-.
InI995and1998,oneoftheauthors(S.B)collectedaseriesofspecimensofun-
known tenebrionidspecies fromtheCameronHighlands, theMalayPeninsula. in the
evening and after midnight in thesamemicrohabitat. 0nespecimen was captured
usingalighttrapinthesamearea.Hefoundtheminyellowrottedbutdriedplacesofa
largelivingtreeandonthetreesnearby.Thishabitatwas foundina forestabout200m
belowthetopof theJasarMountains. InSumatra,asecondspecieswascollectedat
nightinaforest.Allthespecimenswerefoundfromthebarkofalarge,oldtree,which
wasrelatively freeofinjuryorrottedspots.Later,whentheauthorsvisitedtheZoolo-
gischeStaatssammlung,Munich.Dr.MartinBAEHRpermittedthemtoloanadditional
materials.
Theyaresimilar intheirbodystructuretotheadultsofSt1・o11gyliun1andtothe
Coe1ometopinaeamongothers.Thesecondauthorwasunabletodeterminetheirtaxo-
nomicposition,andaskedthefirstauthor(K.M)forcollaborationinclarifyingtheir
trueidentity. Theyspentabout two years for determining their taxonomicposition,
withadviceoftheircolleaguespecialistsoftheTenebrionidae.Finallytheyconcluded
that these two species were new toscience and belonged to a new genus of the
Strongyliini.
Beforegoing further, theauthors wish toexpress their gratitude toDr. Martin
BAEHR, theZoo1ogischeStaatssammlung, Munich, Dr. 0tt6MERKL, theHungarian
Natural History Museum,Budapest,andDr.WolfgangScHAwALLER,Staatliches Mu-
seum fLirNaturkunde,Stuttgart. TheyalsoexpresstheirgratitudetoDr. Makoto Kl-
ucHl,TsukubaCity,fortakingclearphotographsinsertedinthispaper.
41S KimioM,、sU、1oT()andStanislav Bile、AR
Theho1otypestobedesignatedwillbedepositedintheNaturalHistoryMuseum,
Prague (NHMP)and theZoo1ogischeStaatssammulung, Munich (ZSM),andsome
paratypeswill bedepositedintheNationalScienceMuseum (Nat. Hist),Tokyo, the
Hungary Natural History Museum, Budapest, and the Staatliches Museum ftir
Naturkunde.Stuttgart.
,・e,,leri'alMsgen nov
Typespecies:B/・enle1・1tlntls. (t1111erone11s1?sp nov.
Bodyoblong-ovate, ratherstronglyconvexdorsad.Headrathersteeplydeclined
anteriad.Antennaeratherslender, feeblybolder inseveralapicalsegments.withsen-
sorypores.Eyesmedium-sizedforamemberoftheStrongyliini.
Pronotumroundedlateradbut noticeablynarrowedandsubpara11el-sidedinbasal
part:apexfinelyrimmedinlateralparts:baseratherboldlyridged;sidesborderedfrom
the ventral parts by fine ridges inbasal parts, with areas below ridges vertically
scoopedout, andalsoborderedwith impressionsinmiddle, thebordersdisappearing
inanteriorparts; frontanglesroundedhindanglesacutelyprotrudedobliquelylaterad
indorsal view; discwithanteriorpart gentlyconvex,closely, finely punctate,each
puncturewithasuberecthair,andalsowithposteriorpartsubquadratelydepressed,the
depressionsdeepenedalongbasalborder,scatteredwithsomewhatumbilicatedpunc-
tures.Scutellumsublinguiform.
Elytraoblong-ovate;dorsumratherstronglyconvex,weaklydepressedatinterior
partofbasal1/3;discwithninepunctate-striae(includingthemarginalstria),8thstria
disappearinginthebasalparts;intervalsratherstronglyconvex,closelyscatteredwith
minutepunctures,eachwithasuberecthair;humeriweaklyconvex;apicesgentlypro-
duced; epipleuracompletebut taperedapicad, finely ridgedalonginterior borders.
Hindwingspresent.
Terminalsegmentoflabialpalpusgentlydilatedapicadwithtruncateapex;termi-
nal segment ofmaxillary palpusrather largewithtruncateapex; labiumsomewhat
trapezoidal;guIasmooth,borderedbyimpressions.Prosternumcoarselyrugose-punc-
tate, feebly ridged inmiddlealonganterior border, raisedbetween coxal cavities,
deeplygroovedalongmedial line,graduallyinclinedposteriad,withtriangularprester-
nal processat basel mesosternumdepressed inanterior part, ratherstrongly raised
alongmesocoxa1cavities;metasternumweaklyconvexinlateralparts,withalongitu-
dinalgroovealongmedial line.AbdomenwithvisiblesegmentsIllandIVwithmem-
branesalongapicalmargins.
Legsmedium-sized.Protrochantermedium-sized,somewhattriangular,profemur
subclavate:protibianearlystraight.withintero-ventral facefeeblygougedinbasal I/3;
protarsi feeblybecomingboldertoeachapex.Mesotrochantersmall,somewhattrian-
gular;mesofemursubclavete,slenderer thanprofemur:mesotibiaweaklycurved,with
interior facegentlygougedinapicalhalf;mesotarsiweaklybecomingboldertoeach
apex.Metatrochanterrathersmall,nearlytriangular;metafemursubclavate,slenderer
NewTencbrionidGenus、vithT、veNewSpecies 419
thanmesofemur;metatibianearlystraight,withinteriorside feeblygougedinbasal
part;metatarsiveryweaklybecomingboldertoeachapex.Clawsfalciform.Malegen_
italiaelongatedsubfusiformindorsalview.
Notes. Inthemembersofthisnewgenus,thebody iscommonlysubfusiformin
dorsalviewandratherstronglyconvexabove,theheadisrathersteeplydeclinedante-
riad, theantennaeareratherslenderwithstellatesensorialpores inapicalsegments,
andlegsareratherslender,whichsuggest that they belongto thetribeStrongyliini.
However,thepronotumisverypeculiarinshapeasnotedabove.
In theEastAsianmembersof theStrongyliini,Phymatosonlapossessesrather
subfusiformbody,butitspronotumisquitesimpleinshape,ratherflattenedandsub-
quadrate.Membersofthespecies-groupofSt1,o17gyliun1pa11idonotatlm1Pfc,1917,also
possessconvexsubfusiformbody,but theirpronotum isneitherstronglynarrowedin
thebasalpartnorridgedalongthelateralmargin,andnotcompressedfrombothsides.
Bremerianuscanterollellsissp nov
(Figs.1,3-4)
Darkbrown,headandpronotumexcept foreachbasalpartbrownishblack,mouth
parts,sixbasalsegmentsofantennae,apical halfofterminal one, and tarsi yellowish
brown;dorsalsurfacegentlyshining,ventralsurfaceratheralutaceous,eachsurface
coveredwithhairs, thoseondorsal surface finer anddarker, those in lateral parts
longerandpaleyellowish.Bodyoblong-ovate,ratherstronglyconvexdorsad.
Headsubhypognathous, ratherelliptical inantero-dorsa1view, closelypunctate;
clypeussemicircular, flattenedinbasalpart,bentventrad inmiddle, andtruncateat
apex; fronto-clypea1border finelyandclearlysulcate;genaegentlyraisedandroundly
producedantero-1atera preocularareasfeeblyconcave; fronsratherwidelyT-shaped,
steeplyinclinedanteriad,shallowlyconcavealongmidlineinposteriorpart,interocular
spaceabouthalfthewidthofthetransversediameterofaneye;vertexweaklyconvex.
Eyesratherobliquely inlaidintohea moderatelystronglyconvex laterad.Antennae
slightlyclavate,mediuminlengthandreachingbasal t/5ofelytra,segmentsVIItoX
gentlydilatedtoeachapexandwithsensorypores,ratioofthelengthofeachsegment
frombasetoapex:0.26,0.ll,0.36,0.28,0.24,0.25,0.22,0.23,0.19,0.l7,0.21.
Pronotum 13timesaswideas long;apexnearlystraight indorsal view, finely
rimmedinlateralparts;basesinuousinlateralparts,finelyborderedandratherboldly
ridge theridgepunctulateandsinuousoneachsideofinteriormargin;sidesroundly
producedlateradinanterior2/3,narrowed,subpara1le1-sidedandrathersharplyridged
inposterior i/3, theareasbelowridgesverticallyscoopedout; frontanglesrounded
andfinelyrimmed,hindanglesacutelyprotrudedobliquelylateradindorsalview;disc
withanterior2/3gentlyconvex,closely,finelypunctate,eachpuncturewithasuberect
hair, and also with posterior i/3 subquadrately, weakly depressed, thedepressions
deepenedalongbasalborder,scatteredwithsomewhatumbilicatepunctures.Scutel-
lumtriangularwithfeeblyroundedsides,weaklyconvexandsmoothinmiddle,punc-
420 KimioMAsUMoToandStanislavBE(_'VAR
-
1f, ・, -
1 2
Figs. 1-2. HabitusofB1-e,lie,・1anilsspp. - 1.B・Ielite,・1amlsca,tiel・onenslsgen etsp nov..male,holo-
type;2,B.bae1/,・lspnov.,male,holotype
tulateinlateralparts.
Elytraoblong-ovate,1.7timesaslongaswide,3.6timesthelengthand15times
thewidthofpronotum,widestatbasal3/7;dorsumratherstronglyconvex,highestat
basal t/3, andweaklydepressedat theinteriorpartofbasal t/3; discwithninepunc-
tate-striae(includingthemarginalstriae),8thstriaedisappearinginthebasalparts,the
punctures in striae small and notching intervals; intervals rather strongly convex,
closelyscatteredwithminutepunctures,eachwithasuberecthair;humeriweaklycon-
vex; apices gently produced; epipIeuracompletebut taperingapica finely ridged
alonginteriorborders.Hindwingspresent.
Terminalsegmentoflabialpalpusgentlydilatedapicadwithtruncateapex;termi-
nalsegmentofmaxillarypalpuslargerwithtruncateapex;labiumsomewhatobtrape-
zoida1,alutaceous,sparselypunctulate,raisedantero-media11y;gulasmooth,bordered
by impressions.Prosternumcoarselyrugose-punctate, feebly ridged inmiddlealong
anteriorborder,raisedbetweencoxalcavities,deeplygroovedalongmedial line,grad-
ually inclinedposteriad, with triangularpresternal processat base;mesosternumde-
pressedinanteriorpart, ratherstronglyraisedalongmesocoxa1cavities,coveredwith
NewTcncbrionidGenuswithTwoNewSpecies 421
isodiametricmicrosculpture,rugose-punctate;metasternumweaklyconvexinlateral
parts, rathersmoothandcloselypunctateininternalparts,coveredwithisodiametric
microscuIptureandrathercloselypunctateinexternalparts,withalongitudinalgroove
alongmedial line.Abdomencoveredwithisodiametricmicrosculpture,closelypunc-
tateandfinelyhaired;visiblesegmentsIIIandIVwithmembranesalongapicalmar-
gins.
Legsmedium-sized.Protrochantermedium-size somewhattriangular;profemur
subclavate;protibianearlystraight,withintero-ventra1facefeeblygougedinbasal t/3;
protarsi feeblybecomingboldertoeachapex,ratioofthelengthofeachsegment from
basetoapex:0.12,0.09,0.10,0.l2,0.42.Mesotrochantersmall,somewhattriangular;
mesofemursubclavete,slenderer thanprofemur;mesotibiaweakly curve with inte-
rior facegentlygougedinapicalhalf;mesotarsi feeblybecomingboldertoeachapex,
ratioofthelengthofeachsegment frombasetoapex:0.21, 0.11,0.09,0.10,0.52.
Metatrochanter rathersmall, nearly triangular;metafemursubclavate,slenderer than
mesofemur;metatibianearlystraight,withinteriorside feebly gougedinbasal t/4;
metatarsiveryslightlybecomingboldertoeachapex, ratioofthelengthofeachseg-
ment frombasetoapex:0.36,0.l6,0.14.0.57.Clawsfalciform.
Malegenitaliaelongatedsubfusiform,3.45mminlength,0.75mminwidth,gent-
lycurvedinlateralview; fusedlateral lobes164mminlength,weaklynarrowedante-
riadinbasal t/4,ratherstronglysoinmedialparts,andprolongedinapical1/4,with
somewhattruncateapices.
Bodylength:6.3-6.8mm.
Holotype: , “W. Malaysia, Pahang, Cameron Highlands, 12~15-II-1998,
TanahRataGn.Jasar,lgt.S.BEcvAR” (NHMP).Paratypes: 7exs.,samedataas forthe
holotype;3exs.,samelocality(1,400-1,500m),20~25-I-1995,1gt.S.BEcvARJ.&
S; l ex., “Malaysia, Cameron Highlands, Tanah Rata, 1,600m, J. HoRAK leg.,
26-I~10-II-2000”
Bremeria,1usbae/1risp nov.
(Figs2,5-6)
This new species resemblestheprecedingone, BI・cruel・i(mils_(・(jnlero17enslssp.
nov.,butcanbedistinguishedfromitbythefollowingcharacteristics:
Body smaller (5.6mm inlength)andstouter:brownishblack,elytrawithareas
along1stintervalsinanterior1/3andalsoalong2ndintervalsinposterior2/3,1atero-
basalandlatero-posteriorpartsreddishbrown.
Clypeuswithbasalpartalittlemorestronglyflattenedand formingatransverse
ellipticalspace,apicalpartmoresteeplydeclivous;genaeandfronssimilartothoseof
B. camel,onensls;vertexmoredistinctlywithalongitudinal impressionmedially,inter-
ocular spaceabout 1/4 thewidthof the transversediameter of aneye. Eyesmore
strongly convex latera moreobliquelyinlaid intohead. Antennaesimilar to thoseof
theprecedingnewspecies ratioofthelengthofeachsegment frombasetosegment
422 KimioMAsU1、loToandStanislavBE(、'A.R
・
..
'
f' -
3 5 6
Figs. 3-6. Malegenitalia. - 3-4 BI・e111e1・it111usca,tiel()lle11slsgen etsp nov.,3,dorsalview4,lateral
view;5-6.B. bae/1・,tspnov.,5,dorsalvie、、,.6.lateralview.
IX (theremaining two lost in theholotype): 0.18, 0.09, 0.29, 0.19, 0.17, 0.17, 0.16,
0.16,0.15,
- , - .
Pronotum 12timesaswideaslong;apexrimmedinlateralparts, theriminter-
ruptedinmiddle;basesinuous inlateralparts,weaklyemarginateinmiddleopposite
to scutellum (similar to that in B came1-onen.s・Is), moreclearly bordered fromdisc,
ridge theridgesmootherandimpunctatewidely inmiddle; discwithanterior part
moderatelyconvex,vaguely,longitudinallyimpressedalongmedianline thusforming
twolowswollenparts,smoother, rather closely,evenlypunctate,andwithposterior
part depressedandcoarselypunctate; lateralmarginswithapical3/4moreroundly
produced latera bordered from ventralpartsonly in frontangularareas,alsowith
basal t/4subparallel-sidedanddistinctlylongitudinallyridged.Scutellumtriangular
withfeeblyroundedsides,weaklyconvex,smooth,sparselyscatteredwithsmallpunc-
tureslaterally.
Elytraalittleslenderer,1.7timeslongerthanwide,3.3timesthelengthand15
timesthewidthofpronotum;dorsumgentlyconvex,highestatbasal3/8,coveredwith
alittle finerbenthairs; discwithstrial puncturesmorecloselyset; intervalsmore
widely,gentlyelevated,punctulate,eachpuncturewithabenthair;partsfrom7thin-
tervalstolateralmarginsenvelopingventerofbody;humerilessnoticeablyswollen;
apicesgentlyproduced(similartothoseinB.came,-onensis).
NewTcncbrionidGenuswithT、、,oNewSpecies 423
Analsegmentwithoutspecialmodification,similartothatofthepreviousnew
Species.Legsslightlybolder;maleprotibiawithventral facefeeblygougedinapical
1/3;malemesotibiaweaklycurvedventrad;malemetatibiawithinternal facefeebly
gougedinbasalhalf;ratiosofthelengthsofpro-,meso-andmetatarsomeres: 0.09,
0.04,0.05,0.06,0.38;0.11,0.06.0.06,0.07,0.34;0.19,0.09,0.08,0.38.
Malegenitaliasubfusiform,1.0mminlength,0.2mminwidth,feeblyconstricted
attheborderbetweenbasalpieceandlaterallobes,gentlycurvedinlateralview; fused
lateral lobessomewhatnib-shaped,0.65mminlength,withapicesweaklyprolonged
andnotacute.
Holotype: ,“W.Malaysia;JohorGunungLadang,Mt.,2°22'N,102°37'E,14~
16-I-2000.D.HAUcKleg” (ZSM).Paratypes:1ex.,samedataasfortheholotype;1
ex., “S.Sumatra, LampungProv., Bukit BarisanSelatan Nat. Park, 5°4'E tc4°4'E,
600m, 5km SW Liwa, 7~17-II-2000. J. BEzDEK leg”; l ex., “Indonesia, West
Sumatra,BukitLawang,10~16-IV-1966,1gt.S.BEcvAR'';1ex.,“Malaysia;Tioman;
400m, Kampong Tekek-K.Juara, 9-III-1998. 2°48'N,104°11'E, DEMBlcKY& PA-
CHOLATK01eg”
Notes. The specific name is given after Dr. Martin BAEHR, Zoo1ogische
Staatssammlung,Munich,whoprovidedtheauthorswithaseriesofthetypematerials
ofthisnewspecies.
要 約
. 益本仁雄・S. BEcvAi't: 東洋区産ナ力'キマワリ1リ、'の1新属2新重sについて 西マレ
シアおよび西スマトラで採集されたナガキマワリ1Jク、を検討した結果, 新属に属する2新種が
認められた. 新属としてB,・e1neria,It,sをたて. B,・e,,lei・Ia,11,s◆(・an,e,-o11e,Isisgen etsp novおよびB
ae/1,・1sp nov.を記載した.
References
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