Entomological Review of Japan

112 Pages·2002·104 MB·English

ISSN 0286-9810
Vol.57 No. 1 Apr.15,2002
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THEENTOMOLOGICALREVIEWOFJAPAN
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T1:IF, JAPAN COLEOPTEROLOGICAL SOCIETY
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Ent.Rev.Japan,57(l): l-27,April l5,2002
Elaterid-beetlesof Is.Cheju(Quelpart Island)
(Coleoptera: Elateridae)
Takashi K1sHn
6-410,Kamihamuro1-10,TakatsukiCity、Osaka569-1044,Japan
and
Jong-CheoIPAIK
FacultyofAppliedBiologyandHorticulture,SunchonNationalUniversity
315Maegok-Dong,SunchonCity540-742,RepubricofKorea
Abstract Total30speciesofElaterid-beetlestakeninIs.Chejuarereported.10ofwhichare
newlydescribed: e,nlc,-ep!dills(s.str)co,・eanlls. (s.str)secesslls /?af/aensl.t, (s.s )
. .
) . sl',ulafMs l,1sufa,-is, . (s. str) fese,-forc/1eJtla1711s,Ani)eefil s(s str sanorll1,1 (・filius
famnaens1s,SifeslsmMs- fMso/l4e/parrfanMs.Pl'lop1ls 1ba11-.Me/(Moflls/egarMstoea'111sandM
arcfo1cfes.
AtthebeginningofOctoberinl998andMayin2001,oneoftheauthorsKlsHII receiveda
richmaterial ofclickbeetlescollectedfromIs.Cheju(済州島,QuelpartIsland,Jejudo,Cheju-
do)ofKoreathroughPAIK,theethe・lofauthors,forexaminationanddetermination.Uptothe
present36speciesareknowntooccuronthisislandbysomeauthorsonPAIK'sinvestigationof
1997,butthereissomedoubtfulpoints,namelythesereportinghavesomethingofuncertainty
onthedeterminationinpalt Lately,wefound30speciesconsistingof226specimensfromthis
jsland,andthematerial includes10newspeciesorsubspecies,whicharedescribednewlyby
KIsHII as follows.
OnspecjesofElateridae. Lacondep1ess1ls,wasfirstdescribedfromKoreabyCANDEZEin
1874.HelaterdescribedmanyElateridspeciesfromthePalaearcticregionincludingKorean
penjnsula(CANDEzE,1857-91).OnlyafewworksontheclickbeetlesfromKoreahavebeen
reported(KoLBE,1886;HEYDEN,1887;MlwA, l927-34.etc.).Thereportsincludesthelistsof
Elateridaewithsomenewlydescribedspecies.Recentresearchershaveincreasedthenumberof
elaterid-speciesandcolTectedsomeerrorsinthepreviousworks.
Thefirstworkontheclickbeetlesof Is.ChejuwaspublishedbyOKAMOTO(1924)which
included3species.Thereafter,numerouslistsofElateridaewerepublished(CHoetal.,1968;
SEoK,1970;KoMIYA, l971;KIM,1984; LEEeta1., l985:K」M,1989;KIM& 0HIRA,1990,1991:
KIM, l993;PAIKeta1.,1995).PAIK(1995)reviewedailthepublisheddataontheinsectfaunaof
thjsjslandandlisted36speciesofclickbeetles.However,someincorrectand/orambiguous
jdentificationsarefoundinthepreviousreports.Therefore,therevisionofthelistofElateridae
fromKoreanpeninsulaincludingIs.Chejushouldbeconsidered.
Takashi KlsHn & Jong-Cheo1PAIK
TheholotypespecimensaredepositedintheJejudoFolklore&NaturalHistoryMuseum
(JFNHM)andtheparatypespecimensarepreservedintheprivatecollectionoftheauthorsand
intheJFNHM.All thespecimenswerecollectedbythemembersoftheJFNHMandbyJ.-C.
PAIKandthedescriptionsareabridgedexceptionofsomeexamplesbyothercollectors.
Beforegoingintofurtherdetails,wewishtothankMr.JUNG,S.H., thechiefofAnimal
DepartmentofJFNHMfor fendingspecimensfromthecollectionunderhiscare. Thanksare
alsoduetoDr.GiuseppePLATIAinItalyforhiscontinuousguidanceandtoAssist.-Prof.Kunio
ARAYA,KyushuUniversity,forhisinvaluablesupportinthecourseofthepresentstudy.
Theadministrativeareaof thelocalitiesby theChinesecharactersareas the following:
Andeung(南済州郡安徳面);Ara,ChejuCity(済州市我羅);ChejuCity (済州市);Donnaeko,
SeogwipoCity(西帰浦市 川);Eugwi(南済州郡南元邑衣貴);5・16-road,Mt.Haifa-san(漢率
山国立公園5・16道路);Gerinsaseum, 2ndtransverse-road,Mt. Haifa-san(漢 山国立公園第2
横断道路);Mt. Haifa-san(漢 山国立公園漢 山);Hoesu(西帰浦市廻水);Hyeopjae(北済州郡
輸林邑挟才);Jungmun(西帰浦市中文);Kwabgpyeong,Andeok-myeon(南済州郡安徳面廣坪);
Kwaneum-saTemple(漢率山国立公園観音寺);Kyorae(北済州郡朝天邑橋来);Myeondo,Cheju
City(済州市明道庵);Nohyeong,ChejuCity(済州市老衡);0deung,ChejuCity(済州市梧登);
Ora,JejuCity(済州市梧羅);Sangchang(南済州郡安徳面上倉);Sanisudong,Daejung(南済州郡
大静邑山伊水洞);2ndtransverse-road,Mt.Haifa-san(漢率山国立公園第2横断道路);Seogwipo
City(西帰浦市);Seohong(西帰浦市西洪);Seongpanak(漢率山国立公園城板岳);Seongeup(南
済州郡表善面城邑):Seonheu1(北済州郡朝天邑善屹.);Sinyang(南済州郡城山邑新陽);sinye(南
済州郡南元邑新礼);Mt.Songak(南済州郡大静邑松岳山);Suakgyo,Mt.Haifa-san,(漢率山国立
公園水岳橋,alt 600m);Sujango1,Mt.Haifa-san,(漢 山国立公園水長兀,alt 900m);Sumang
(南済州郡南元邑水望);Topyeong(西帰浦市吐坪);Wasan(北済州郡朝天邑臥山);weondong(済
州市);WudoIsle(牛島);Youngs加(orYongsi1,Yeons1i),Mt.Haifa-san,(漢率山国立公園霊室).
PeCtOCera fortune1 CANDEZE,1873
(Fig.1)
Pectoce''aFortune1CANDEZE,1873,Elat.Mem.Soc.rev.Sci.Liege,(2)5,mem2:6-7(ChineelJapon
Hiogo).
Sped'nonse.,lamined:1♀,Hoesu,6.VI.1997;1♀.Seohong,5.VI.1993;1♀(Fig.1),seongpanak,
14.VII i994; l Topyeong,11.Vii i993.
Geographicdistribution:Korea,Is.Cheju,China,Is.Hainang&Vietnam.
Remarks:Ataglance, thespecimensfromthisislandseemtobealliedtop hlge from
Japan,but3rdantennalse9mentmoreelongate,anteriorcornersofpronotumplainlyprojected
t「Ian9ularly,andposterioranglesofpronotumlongerandwellprojecteddivergingly.Thjs
speciesisfirstlyrecordedfromthisisland.
Agrypnus (s.str) binoduhts coreanus KIsHn,1961
(Fig 2)
Laeonbinodulus:OKAMOTO、l924,Bull.Agr.Ex.Gov.-Gen.Chosen,I(2):182(QuelparlIs)
Ag'yp'1usbinodulusco'eanusKSIHn,1961,Bull.HeianHighSch.,Kyoto,5:24(Is.TsushjmaandKorea)
Elaterid-beetlesofIs.Cheju(QuelparlIs)
4
6
i
, ,.
''ーハ ' -
f l'
r
.'
.-- ・・l
.・、- ll
- ・
.
.-1- '..-'-・・
1、一 .. - -・
CI 、
2a 2b - 3a d1 3b.1, ・、
一. 、 ,
Fjgs.1_7.1,pectoce,-afortunelCANDEzE,1873,habitus( Seongpanak,28.6mm),2a,Agrypmls(s.str)
,
bjnodulusco1-eanusKlsHu,1961,habitus(♀,Mt.Hallasan,14.8mm);2b,ditto,malegenitalia(7983:
mjcro_slidenumber,andsoforth;Seonheul);3a,Agrypnus(Colau1on)/1、pn1('ola(KISHn,1964),habitus(
,
Hyeopjae,7.5mm);3b,ditto,malegenitalia(8083,Hamdeok).4、Cryptalallsbe''us(CANDEZE,1865).
habjtus(♀,Wasan,29.1mm).5,P1-odrasteriusagnatus(CANDEzE,1873),habitus(♀,Is.Cheju,4.02mm);
6,Ljmonlscuskraat::1kraat-1(CANDEzE, l879),habitus( 、Seongpanak.12.3m」T1);7,Ag'、:plzllS(Cola1l1on)
miyamoto1subsp.,habitus(♀.Bomok,8.04mm).
specjmense?amined:1?,Ara,ChejuCity,25.V.l994;1?,6早♀.ChejuCity,12.VIII.1994;l♀,
djtto,17.vIII.1994;13、,1早,Donnaeko,SeogwipoCity,30.IX.1994;10(i'?,Eugwi,16.VIII. ll;l早,
Mt Haifa_san,27.VII i994;2d1'' f. l早(Fig2a),ditto(alt 300m),22.VIII.1994;1♀,ditto(alt 600m),
22 vIII. l994;2 ,2早早,ditto(alt 700m), l5.]:X.1994;2♀ 5・16-road,Mt.Haifa-san(alt 300m),
,
001,.. 30 vIII.1g94;1f,1 ・ ditto(al t50 m) ,30 VIII .1994;♀ ditto(al t60 m) ,25 VI Ii994;
,
Hyeopjae,8.v.1994;3♀早,Jungmun,17.IX.1994;1早,Kyorae,18.Vm.1993; l♀,0deung,Cheju
cjty,20 vI.1994;1(、j',ditto,28.IX.1994;3 (、i',Sangchang,22.V.1992;1 SaniSudOn9,Daejun9,21.
,
vI 1gg4; 1 ,2ndtraversroad,Mt.Haifa-san,(alt 700m),23. IX.1994.1 ,Seogwip0City,7. VIII.
1994,bylighttrap;3 , 7. VIII. 1994; 1 ,ditto,9.VIII. 1994;1早,Seen9euP,15. IX. 1994;1早,
seongpanak,5.vII i994;2(j、'(j、',1♀,ditto.13.IX.l994;2(、i' f,ditto,23.IX.1994;1 SeOnheul,20.
,
vIII1g82,w_T.KIMleg;1(、j',ditto,8.VII i993;1f,dittO,26.Vm.1994;1早,Sinyang,19.111.1994;
1(j、',1♀,sumang,31.111.1994;6早 Youngsil,Mt.Haifa-san(alt 850m),23.VI.1994.
.
Takashi KlsH1l & Jong-Cheo1PAIK
Geograplticdistribution:Korea,Is.Cheju,Japan(Is.Tsushima)&NE-China.
Remarks:ThisspecieswasfirstrecordedfromIs.ChejubyOKAMOTO(1924)asLacor1
lllodMfMs.
Agrypnus (Colau1on) hypnicola (KIsHn,1964)
(Fig 3)
Colau1on(Cryptolaco1t)h_vpnicolaKlsHll.1964,Bull.HeianHighSch.,Kyoto,8:26&33(Kizugawa
riversideofKyotoandOsaka).
Agr)pnus(Colauior1)h_ypnlcola:BABAetKIsHIl,1981,Trans.Essaentomol.Soc.,Niigata,52:6(Niigata).
Agrypnushypomcola[!]:S.-H.LEEeta1.,1987,KoreanJ.PlantProf.,26(1):1-7(Korea&ChejuIs).
Specimense.l-amtned:1 Hamdeok, 18. IV.1982, W.-T. leg; l?(Fig.3a),Hyeopjae,7. V.
,
1994; lex., Kwabgpyeong,Andeok-myeon,2.IV.1994;1ex.,Sinyang,22. V.1994;1ex.,Mt.Songak
7. m.1994;1ex.,Sumang,31.m.1994.
Geographicdistribution:Korea,Is.Cheju&Japan.
Re,narks:All thediagnosticfeaturesofspecimensfromthisislandfittothoseofthemain
characteristicsofthetypespecimens,especiallytheapicalstructuresofmalegenitalia(Fig 3b).
LEEetal.(1987)reportedthisspeciesfromIs.ChejuasAgrypnushyponlcola(sic).
Agrypnus (Colau1on) miyamotoi subsp
(Fig 7)
Specinlenexamined:1早(Fig.7),Bomok,SeogwipoCity,21.VII.1982,W.-T.KIMleg.
Thisremarkablespeciesisrepresentedbyonefemalespecimenonly. Itseemstobea
CloserelativeofAgrypnus(Colau1or1)mi、,amoto1erabuKlsH1l,1996 from Is. Kuchjnoerabu_
jimainJapan,buttheauthorrefrainsfromnamingandiswaitingforfurthermaterial,especja11y
themale.
Geograp/1lc lsfrfbutlon:Is.ChejuandJapan.
Remarks:ThisspecieswasfirstrecordedfromIs.ChejubyS.-H. LEEetal.(1987)as
Agrypnusmiyamotoi.
C「yptalausberus (CANDEzE, l865)
(Fig 4)
Alausbe''usCANDEzE,1865.Elat nouv.I:15(Japon).
Cryptala1・Isbefits:0HIRA,1990,Gekkan-Mushi,Tokyo,234:21.
Paracalaishorus:S.-H.LEE,1995,Ins.KoreanaSuppl5:75(ChejuIs)
Specimenexami11ed:1 (Fig 4),Wasan,31.V]:1.1993.
Geographicdist'-ibutiort:Korea,Is.Cheju,Japan(Honshu,Shikoku,Kyushu,Isis.Izu,Is
Oki,IS.Iki,Is.Tsushima,Is.Yaku-shima,Is.Kuchinoerabu-jima,Is.Nakano_shima,Is.Takara_
jima, Is. Amami-ohshima, Is.Tokuno-shima, Is. 0kinawa,Is.Kume_jima, Is.Yonagunj,Is
Elaterid-beetlesofIs.Cheju(Quelparlls)
Minamidaito-jima,Isls.0gasawara),China,Laos&Vietnam.
Remarks:ThisspecieswasfirstrecordedfromIs.ChejubyS_H. LEE(1995)as
Paracalaisbe,・us.
P「ed「aste「MSagnatus (CANDEzE,1873)
(Fig 5)
Aeo11lsagnatusCANDEzE.1873,Elat.Mom.Soc.rev.Sci.Liege.(2)5.mem2:8(Japon).
Prod''asteriusagnatus:YoKoYAMA,1930,NipponnoKotyu,Tokyo:84.
Aeo1odermaagnata[!]:S.-H. LEEetal.,1985,ReportoftheAcademicSurveryofHallasan(Mountain)
NaturalPreserve:407(ChejuIs).
Spec、1menseMmlned:1ex.,Seongpanak,Mt.Haifa-san,11.IX.1983,W.-T. Mleg;1ex.(Fig 5),
Seonheu1,8.VII i993; l ex.,ditto,22.VII i993.
Geographicdistribution:Korea, Is.Cheju,Japan(Hokkaido,Honshu,Shikoku,Kyushu,
Is.Sade, Isis.Izu,Is.Iki,Is.Tsushima,Is.Tanega-shima,Is.Yaku-shima,Is.Kuchierabu-jima,
Is.Nakano-shima,Is.Amami-ohshima,Is.Izena-jima)&NE-China.
Remarks: Thisspecieswasfirst recorded fromIs.ChejubyS.-H. LEEetal. (1985)as
Aeo1odermaagnata(sic).
Limomscus kraatzi kraatzi (CANDEzE,1879)
(Fig6)
LimoniusK,aat1CANDEzE,1879,Deutentomol.Ztg.,23(Ii):281(Amur).
LimomscusKraatzi:MlwA,1935,KansaiEntomo1.Mag..Osaka3(2):51(Mt.Ibuki).
Ganlbrinuskraat?I:S.-H.LEEetal.,1985,AcademicResearchReportfortheMt.Haifa:453(ChejuIs)
Sped,none?-ammed:1早(Fig6),Seongpanak,14.VII.1994.
Geographicdist,・ibut1or1:Korea,Is.Cheju,NE-China&E-Russia.
Remarks: Thisnominotypica1subspeciesdistributingwidely fromthePrimorskij tothe
KoreanpeninsulaisdistinguishablefromthesubspeciesLkraatzinlhonicusbythedenseand
smallpuncturesonpronotumanddarkcolouredlegs.ThisspecieswasfirstrecordedfromIs.
ChejubyS.-H.LEEetal.(1985)asGambrinuskraa二t1.
s , Stenagostus umbfazh'' (LEWIS 1894
(Fig8)
Athousumbratj11sLEWIS,1894,Ann.Magnat.Hist.,[6]13:198(Junsai,ChiuzenjiandOyayama).
Stenagostusumbrati11s:NAKANEetK1sHn,1955,Coloured111.Ins.Japan、Coleop.,Osaka:15(Soho-San)
specimensexamined: 1(j、'(Fig 8),5・16-road. Mt.Haifa-san(alt 600m), 26. VII. l994;1
seongpanak,4.VII i994;1 , l , Youngsi]1,Mt.Haifa-san(alt 850m),15.VII i994; l 、ditto, 24
VII i997.
Takashi KlsHII &Jong-Cheo1PAIK
Geographjcdistribution:Korea,Is.Cheju&Japan(Hokkaido,Honshu,Shikoku,Kyushu,
Is.0kushiri,Is.Sade,Is.Hachijyo,Is.0ki,Is.Tsushima,Is.Fukue-jima,Is.Yaku-shima).
Remarks:Thisspeciesisfirstly1-ecordedfromthisisland.
Hemicrepidius (s.str) coreanus KIsHn,sp nov
(Fig 9)
Male,10.2-11.5mminlength.Elongate,ratherslenderandlessdepressedaboveaswell
asbeneath,subpara11e1-sided,andshiningallover.Headentirelyblack;antennaemainlyblack
withbothextremitiesofeachsegmentmoreorlessbrownish;mouthpartsblackishbrownwith
mandiblesmedianlyand labrumanteriorlypaler; pronotumwhollyblackexcept aparatype
specimentransverselyreddishbrownatposteriormarginnalTowly;scutellumblackishbrownto
yellowishbrown;elytraentirelyreddishoryellowishbrown;undersurfacegenerallyblackish
withmarginal partsofeachsegmentmoreor less reddish, especiallydistinct atabdominal
sternites; legsreddishbrown. Pubescence rather stout, notso long, dense,suberect and
yellowish.
Headbroad,almost flattened, relativeextentacrosseyesandeacheyewidth indorsal
aspectas100:27; fronsshallowlyandtriangularlyimpressed, deflexedantero-inferiad, with
anterioredgedefinitelycarinateandroundlyexpanded; frontalgroovenarrowedatthemiddle,
deep, faceddownwardwithsurfacemicro-shagreened.Vertexwithlarge,simple,moreorless
denseandratherevenlyprovidedpunctures,intel'sticesbetweenthepuncturessubequa1totheir
diameterinaverage,withsurfaceentirelysmooth.
Antennaeslender,exceedingpronota1hindanglesbyapical twosegmentsormore;
relative length/width frombasalsegmentto5thas25/9, l7/14, 30/19, 40/23 and40/21
respectively;basalsegmentcylindricalandalittleswollenbehindapicalend,2ndobconica1,3rd
elongatetriangular,4thto10thsubhanging-bel1-formed,5thto10thprogressivelybecoming
longerandnarTowerapically,and11thlongest(59/14inrelativelength/width).
Pronotumsubquadrate,distinctly longer thanwide,simplyandalittleroundlyconvex
abovemedianly,withoutanymedic-longitudinallinenor impression;relativemedianlength
andwidthas100/80;eachposterioranglestraightlyextendingposteriad,notdivergentlaterad,
rathershortandbroad,withanacuteshortcarinationalongside;eachbasalnotchverysmall,
sometimesmoreorlessobscure,withoutanyfurrowsatsides.Puncturessimple,plainlysmall
andsparse,andtheirextentconspicuouslywide;intersticesbetweenpuncturesentirelysmooth.
Scutellumtongue-shaped,declivousantero-infereriad,elevatedlongitudinallyinthe
middle;anteriormarginill-marginatedandalmoststraight;posteriorendrounded;punctures
plainlylargeranddenserthanthoseonpronotum.
Elytraparallel-sidedbehindhumeri tobeyondapical2/3, thengentlyandroundly
convergent tonormal formedapices;striaefine, withroundanddiscontinuouspunctures,
plainlygroovedininner twostriae,but intheremainingsgenerallyobsolescent; intervals
betweenstriaeflattenedandshining,withfineandratherdensepunctures;posteriorapjces
moderatelyended,withoutanyexcavationnorprojection.
Prosternumelongateandsubtrapezoida1, feeblynarrowedat themiddle,wellconvex
longitudinally,andentirelysmoothwithpuncturesgenerallyalliedtothoseonpronotum,
exceptingdistinctlylargeranddenseranteriorrim.Presternalprocessinprofjleelongate,
Elaterid-beetlesofI、.Cheju(QuelparlIs)
、
1. ,
', f 、
,, ,,. 、、、、
-
ー ' -
---・ ' ,
'' .,. ,
・
1.11.1 .1.-・
・l
f- 、・,''、・
-
-
, -
OC、-'i':
'' 1
-
-
l 9b.li t動
9a
Fjgs.8_10.8a.stet!agosttlsunlbratilis(LEWIS,1894),habitus(一.、Mt.Haifa-san. l8.0mm); 8b,ditto male
genjlalja(7751,MI Haifa-san);9a.He1nt(,-epid1lls(s.str)col'eantl.l'KSIHI1.spnov..holotype habitus(♀・
Kwaneumsa,112mm);gb,dittomalegenitalia(7756,Seongpanak,paratype);9c.dittoapicalpa「tof
paramere(djtto)1gd,djtto.scleroticformationsinfemalebursacopulatrix(7757,SeOngpanak,pa「atyPe)・
tea,Helm'c,,epjdlus(s.str)secessus11a11aensisKlsHII,subspnov..holotype,habitus( KWaneumSa,10.8
,
mm);lOb,djttomalegenitalia(7754,Seongpanakparatype):IOc、dittoapicalpartofparame「e(ditto).
weaklybentinteriadnearthemiddle,withanobviouslongitudinal furrowoneachlate「alSide;
posterjorendbluntlypointed.Prostemo-pleuralsuturesalittlebroadlymarginatedatbaseonly.
propleura1puncturesclearlylargeranddenserthanthoseonprosternum.MeSOSte「na19「cove
horjzonta1atanteriorhalf,distinctlyanddeclivouslybentpostero-inferiad.MetaSte「na1
puncturesconspicuouslyfinerandsparserthanthoseonpronotum.Metacoxa1Platesmode「ate.
Legsslender,wjth2ndand3rdtarsaljointsbroadenedapicallyandbl-lobedbeneath.Genitalia
asfigured(Fjgs gb&go);apico-lateralexpansionofeachparamererathersmall,「oundly
expandedatoutersideandshallowlyexcavatedatbase.
Takashi KIsHn & Jong-Cheo1PAIK
Female,11.2to13.1mminlength.Subcylindrica1,withposteriorpartofpronotummore
orlessbrownish,andantennaeandprothoraxofoneexamplealmostbrownish.Bursacopulatrix
withapairofelongatesclerotizedformationsandanobsolescentnet-likestructureasfigured
(Fig 9d).
Typeseries:Holotype: Donnaeko,SeogwipoCity,paratype,29.VI.1994.Paratypes:2
,
,AraJejuCity,29.VI.1983,W.-T leg;2 ,1早,Seongpanak,14.VII i99411f,
Kwaneum-saTemple, 29. V. l989;1 (Fig 9a),ditto,17.VII i997;1(i、',Mt.Haifa-san(400
m),22.VII i993,W.-T.KIMleg;1(i、',Nohyeong,ChejuCity,18.VI.1986;1(i、',Youngsi11,
Mt.Haifa-san(alt 850m),7. VII i994,W.-T. KIMleg;1 f, ditto, l4. VII i994,W.-T.KIM
leg;1 ditto,24.VIL l997.
,
Geograpilicdtstribution:Is.Cheju.
Etylrio1ogy:ThespecificnameofthepresentnewspeciesisderivedfromKoreainwhich
thetypelocality''Is.Cheju”lies.
Remarks: ThisnewspeciescloselyresemblesJapanesespecies: H. (s.str) terukoanus
(KlsHu,1961)fromIs.TsushimaandH.(s.str)kibaneKlsHu,1989fromHonshuandKyushu
inhavingyellowishbrownelytra,butcanbedistinguishedeachotherbythecharacteristicsin
thefollowingkey:
12 Thirdantennalsegment l.7-1.8times( )and1.5times(早)aslongassecond.Pronota1
puncturessmallandratherdense,butnotsofine.Distr Is.Cheju. - - - - - - H. coreanus
つ一1 Thirdantennalsegment l4-1.5 times( )and 13-1.4times(早)as longassecond.
Pronota1puncturesobviouslyfinerandsparser.
34 Pubescenceslenderandlessdense.Elytra1puncturesamongstriaeconspicuouslyfinerand
sparser.Distr:Japanproper a
zbane
43 Pubescencestouterandclearlydenser.Elytra1puncturesamongstriaesmallerandrathe1
denser.Distr: Is. Tsushima H terukoanus
Hemicrepidius (s.str)secessushallaenslsKlsHn,subsp nov
(Fig.10)
PSeudathoussecessus:LEEetal.,1985,InsectFaunaofMt.Haifa:407(MI.Haifa:Is.chejudo)
ASCOmpa「edWiththenOminotypica1subspeciesofH (s.str)so(、essus(CANDEzE,1873)
f「omJapan,thenewsubspeciesiseasilydistinguishablefromitbythefollowingcharactersA
littleSlender andsmall: 10.4-11.6m」n(male)and113mm(female) inlength.Maleantennae
eton9ate,apicaltwosegmentsexceedingbeyondapexofeachpronola1hindangleormore,and
femaleantennaesubequa1tocombinedlengthofheadandprothorax.pronota1puncturessmaller
andalittleSparser.APico-1atera1expansionofeachparamereinmalegenitaliamorelargely
excavatedatbase(Figs.10b&10c).
Typeseries:Holotype: (Fig.10a),Kwaneum-saTemple,Mt.Haifa-san,15.vII.1gg7by
119htt「ap.Pa「atypes: 1(フi、,Seongpanak,14.VII i994; 1 djtto, 27. VII 1gg4; 2早早,
,
Youngsil1,Mt.Haifa-san(alt 850m),24.VII i994.
Geograp/1zccflsfriりfMflon:Is.Cheju.
Et、m' ole9_、:TheSubspecificnameofthepresentnewsubspeciesistakenafterthetype