A taxonomic study on the Chrysomelidae (Insecta-coleoptera) from formosa. Part VI Subfamily Lamprosominae-香川大学学術情報リポジトリ

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237

A TAⅩONOM工C STUDYON THE

CHRYSOMEubAE

(INSECTA−COLEOPTERA)FROM FORMosÅ

PART VI SUBFAMILY LAMPROSOMINAE

By

Michio CHtl−JO (Entomolog・icaリ1LaboIatOエ・.yつ (R邑ceived October30,

S血bfamiすy且一A朗.PR⑬SO朋亙ⅣA班

‡・amprOSOmidees(‡ノamprOSOminae)LACORDAIRE,Monogr。Phytopb.,Li(M占m.Soc.Roy.

Sci”Liさge,Ⅴ.)ipp〃 8&559・・564(1848)..

‡ノamprOSOmidees LEFEvRE,Ann巾 Soc.Ent.France,(5);Tt,p.377(1872).

Larripr¢SOmides CHAPUIS,inI,ACORDAIRE,Hist。、Nat..hsn:LGen.Col.・,Ⅹ,p.212(−1874).

亙ノamPrOSOm立七iniBEDEL,Faune Col.t3assin Seine,V,p一.107、(1891).−IChen,Sinensia;

ⅩⅠ,3・・4,pp.189−191&201・・202(1940.);1.c…,5−・6,p.475(1940).

Lamprosom玉ni王子EYNEetTASCHENBERG,Exot.Kaf.,P〃249(1908).−ScHAUFUSS,inCALWER, K盗fe工もuch.、ed.6,Ⅰ烏 p.923,1907一・1916(19ユ.3)

‡ノamprOS(〉mimae†ACO】汀,Fauna・政・it.India,inc†.Ceylon and王主wma:Col.‡Ⅰ,C如\y50m・

1,pp.I280・281(1908.).qACHARD,inWYTSMAN,Gen・tnS・,CIJIX,Col・NPhytOph・・:Fam・ Chrysomり−Subfam.p Lam如osominae,pp・・1・r3(19ユ4.)・・−CfIOJ6,Trans・Nat”Hist二 Soc・

Formosa,ⅩXtV,133,p.242(1,934.).−Chen,Sinensia,Ⅹt,5−6,pp・455,462,466; 467,470&47’1,f・18(1940).・・Gressitt,l,妄ngnan Sci。Jou‡n.,ⅩⅩ,2・・4,p・275(1942)・

Gemera旦 e血ara¢乞ers(Fig・5・1・ユ0):Body small,Oblong,Oblong一0Va1,0Val,IOtundate−0Va1,

subpentagonal,etC.in outline,With dorsum very highly and hemlSpherically convex,and

glabrous,but more orless pubescentonthe headand underside tOgether with antennae and

legS,gener・ally metallicin coloration and strong1ylustT.OuS・

Head suborbiculate,deeplyinsertedin prothorax,Sヒronglyinflected to th.elongitudinal

axisofbody;Clypeus transverse,genera11ylimited fromfrons by aninter−antennaltransverse

depression,With frontmargln mOre Orless emarglnated and finely pubescent・Mouth州partS: 1abrum tranSVerSe一Subquadrate,Withfrontcornersround,front margin straLightoremarg・lnate and finely pubescent;mandibles robust,StrOng1y curvedinwardly,biq or trifidateat the

apex,OrSimply pointed with畠rlarg■e tOOth on the middle of the upper marg1nOfinner facd;

maxiuarypalpishort,モatherrobust,With15t segmenfmuch smauer than any one of the

thI■ee foliowings,2nd strongly ciubate,3fd血early truncate−Obconica1andshorter than the

2nd,4th nearly oblong,narrOWedattheapicalportion and truncatedat the tip;1ig・ulalonger

than wide,narrOWly rounded and sparsely plユbescent at the apex;1abialpalpi’robust,With lst segmen二Ver・y muCh smauer than any One Of thetwosucceedingS,2nd strong1y thickened

t虔m:nally a,ndr・ather shor:erthan the3rd,thelatt611nearlyoblongoroblorrg−OVa,te,nar・rOWed

at the ap】Calpor・tionand truncatedat the aplCa1extremity,・Eyes placed on each s!de of七he

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theeyes,Widely separatedatbase frome包Chother,声hort,rObust,mOreOrlesspubescent;1st segmentlong・eSt,narrOWed at the base,elongate,StrOng■1y thickened and somewhatcurved, 2nd neal・1y conicalor ovate andnotchedinternally a七the base,3rd to6th slender,7th to 11thd;sヒhctlydilated,butsometimes8thvery muchsmaller than either7thor9thPronotum transverese,Closely fitted to elytra and nearly as wide as at the base,StrOng・1y narrowed

anter・iorly,With dorsum disthctly convex,mさdio−・basalarea moreorless producedposteriorly and named the”basa1lobe叩of pr・OnOtum,allthe ang1es alwaysdistinct,and the front OneS bearsasetlgerOuSpOreOneaCh・Scutellしm?mall,geTlerb11yobtrigonate・Elytra moreorless longer than wide,Widest at alittle behind the base,gently narrowed posterio=1y fr’Om the widestportion,Withapexroundedandcompletelyor・incompletelycover・ing・theabdomen;dorsum Very StrOnglir conVeX,mOSt highlyso behind.thescutellum,punCtate,the punctures aI・r・anged inlongitudina・1rowsin many cases,withlaterO・basalarea angularly produced downwardly

and ca11ed the“ep王pleura、1lobe;〃ep王pleura dis七inct fromthe baSe tO near the middle,thenCe

StrOng1y narrowed poster・貢orly and disa、ppeaT’edbefore the apex,OfteT!prOVidedwith three

foveae Which are accepted the knees oflegs whenin repose.

UndeI・Side:prOSternum Verylarge,Subquadrate,generally fla.t and rather variableiっ〕the Close struCture On the surface;prO−・episterna】2rge,Subtrig■Onate,With fro】3t COrner SOmeWhat

dist竃ntedfromthefrontcomerofpronotlユm,raisedandfoImedagrooveatsidesofprosterm:mfor the receptionofanteTmaeWheninrepose;metaSternum StrOng・1ytransverse,Withmedio−Ianterior

are勺pr6duced as far as p工OS七色rnum,hollowed on each side for the recept10n Of a part oE

femur andtibia wheninrepose;abd0meT!:1st sternite muchlong・er th7Ln anyOne Of thethree fol]owIT唱S,With n〕edio・anterior areaproducedbetweenthehind−・COXae and aTlOblique g・rOOVe On eaCh side for・the receptionof hind・tibiae whenin.repOSe;2T)d to4th s七ernites short,5th narrowerbutTnlコChlong■erthan・anyOne Of the three precedingS a:nd finely denticula七ed at the

】ateralandapicalmargins・Leg−sshort,r・Obust;fore・COXaeSubglobularanIdsomewhatpromirlent, middle−COXae tranSVer・Se・OVate andalittle prominent,hind−ICOXae StrOng・1y transverse EiTldnot

markedly pr.ominent;femora strong■1y dilatedmedially,nOtprOtrudedbeyond the elytra,With a sulcuson each undersideinto which the tibia can be pl軍Ced whenin repose;ti‘biae墾0工■e

Orlessth主ckeneLd包nddi王ated ter叫n乞11y,SOmetimesverystrong・1ycuriouslydilatea,Cari鰭te, unarm.eまthe spur再rSishort,broad,With tWObasalse富mentSnearly obtrlgOnate,3rd deeply divided or bilobed,Claw−Segment g■eTlt】y widened termina113/・Or nearly paIallelqSided and a

little cuてVed,Claws simple or simply ang■ulated at each−base or dist亨nctly appendiculate

Without very distinct externalsexualcharacters.

Wing・S:MPsimple,gentlybutdistinct・1ysinuateandcoT!neCtedtoCulbya Yell−marked longr cross−Vein;Cu f9rmS tWOdiStinct Cu‘bit21〇eus(1Cucand2Cuc)withPc†1;Culdivaricates

Or nOt SO atits apicalpart,and the ch負raCter Qf this divaricationis unst公1ble between not Only the differentspeciesbutthedifierentiTldividua=1s of the samespeeies;Pcudisti準tin genさral,butin SO血e speciqsitis disappeaTed atits median part

Ma月eg・enitaJi洩:Medianlo−be tubula・r,SOmeWhatcurved,Weu Chitinized,With theap亨cal partuneven・Te.gmenY・・ShapeLd;attachedtonear theanterioledg・eqfn7edianforamenwhich isstrong■1y elongate,W主ththe basalpartpartlylateera11yandpartlydorso・Ventrallyflattened,

andwithout dist鱒1lobe

GeogTaphicaJdistribution:,Themembers of this Subfamilyar・emOSt abuT!dantinthe TropicalATr)er・ica as thosein theSubfamily Chlamisi;lae and particularlyTr:OSt a■bundantin Brazil(including・more than50species.)andnextin Mexico(iT!Cludingabout40species).

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23、9

Gdatemira’(includiTl盆about20species),Cayenne(iT・Ciudiぬabout15species),Panama

(inCludingabout15よp畠cieS’)andColombia(includinga−boutlOspecies.)arefollowiT)g−tOMexico,

andbeside畠these thert畠reえfew sp色c!e5h星Ving・been reCOrdeまr由pectivdly from V2rious

partsofthe Southar)d Centr・alAmefica・・Besidestheformer distr・icts王nthe NewWorld,

therearea fewspe=iesoccurlngrlnthesouthernpartoE theUnitedStateSOfAmeTica,but

we hまⅤ?almost no recordof thespecies fIOmthesouthernpart of theSouthAn?erica

(Ar・ge出ねe£nd Cbile)・

l.コthe Old World,there are a fe打SpeC・iesh the southern part of Africa,tWOSpeCiesin

Europe,aT)dseveralspe〇iesinITtdミa,Sumatra,Chin墓,Japan,Loo・・Chooand Formosa

respectively.

The pl:eSent Subfalmilyis dividedirltWO Tribes asfouows:

鼠ey to七he Triも¢S

毀吻拍血血椚擁 a′・1)yg・idit・甲eXpOSeま エα刑ゆγ0ぶ0桝査;二言 a,・アyg∴iditmpOt eXpOSed TribeS♪harerochariniirtcltTdestWOg・eneraandtheⅧem−bersofthem(only threごSpeCi?S iT).all)ar・ekて10Wn魚・OmちraziloTIly・ Tribe亙ノA】ⅦPROSOM二INI ‡jamprOSOmipiCLAVAREAU,inJuNKetScHENKLNG,ColルCat・,IJT・tt‥p・223(1913)(nOm・ nud.).

Genera且charac七ers are as those of the Subfamuy,With pyg・idium completやIy cov竿reまby

the aplCala工■e崇Of ely乞Ta

This tribe contaiTIS tWO genera,Of which the one・・Lych;10少haesIJACORf)AIRE−OCCuring inSouthAmeてやa(■includingrabDut10species)aTldsouthernpartOf Africa(includingOnly one species.),戸rld theother.or)e−La〝建rosoma KIRBY−With a relation to the 申nua Of

f’oT・mOS;ミ Genl互S‡JamprOSOma KIRBY Ld壷rbsoma KIRBY,Trans.Linn.,Sbc.Ⅰ,Ondo褒,Zool.XtT,p.445(’1818.).■・LACORDAIRE,

Monogr、Phytbph,u(M畠Tr!.Soc一Roy,白ci”Li岳ge,Ⅴ),pp”564&574−575(1884)・

−CHOJ6,Trans。Na.t。HistL.Soc.Formosa,ⅩⅩⅠⅤ,133,pp・2421・・243(1.934)一・Cheて1, SinepSia,Ⅹt,3−・4,ppu 202一・203(コ940). G色n¢type:エαタブ建γ0ぶ0∽α∂Zcoわァ■KIRBY,rrご■apS・IJiTl.nu Soc・IJOndoT−.,Zool小 ⅩⅠ・Ⅰ,p・4舶,

pl.Xll,f..15(1818)from.Brazil〔Designated by MりJACOBY,Fauna Brit・bdia,ilnCl・ Ceylon aT!d Burw侃:Col.tr,Chryso即”1,p・281(1908.)〕・

Rang・e:Same with正昭t Of the Subfamily・

Gcnera月charae毛ers ase as▲those of the Subfamily and’1’ribe

Underside of thorax deeply and widely excavated on each side for theICCepこion oflegs whe・n・in repose,1sヒa.bdoコIinal亭ternite with also an oblique distinct groove ofle具eh side

for the工こeCeptlOn Of hind−ta.rSuS Whenin repose・

By the character of antennae the pI−eSent genuSis dividedin two subgener.a as follows; 鼠ey七o t血e Snbg・eRera

a..Ar!teT−n票erOJbust,Shorc,nOt CXte・コd to the base of proT).0甑m when tur虫ed tb℃m back, \止れ8thsegコ1eTltequ早,linShapeandsize to■e互Choて1e Ofthe7thand9th…La娩少Y’OSOma

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aて・・Antenn年eSlender,ratherlong甲?9Xtendalittle beyondthebaseofpronotum whep turrl.ed them back,With8th segment Very mnCh smaller than any One Of the7th and

00ク乃Or♪ゐ〝ざ CuRTエS

Thereisno早peCies申elongingtOthe Subg■enuSLaクク頭rosomas・Str・inFormosa at presenヒ・

Sllbg・¢nuS Oom{〉rp血ns CtブRTIS

OomorPhus CURTIS,Brit与shEnt.,VT.IT,No..347,Pl.cccxlvii(1831).−ISTEPHENS,TIlustr.British

Ent.,Mandib.V,p..411(1832).一BRULL丘,Hist.Nat.hs.,Ⅴ,2,p.355(1834)∩−

STEPfIENS,Man小 Britミsh Col・・,p・147(L1839)・q ERICHSON,■in

Ent.,Ⅰ,p,369(1839.).一 CASTELNAU,Hist.Nat.hs.,C61.tI,p.39(1840).q

REITTER,Berliner Ent… Zeitschrい,ⅩtV,p.230,pl.i,f.8a・・h,1870(1871)・−CHAPUIS,

hLACORDAIRE,Hist.Nat。hs.:Gen.Colい,Ⅹ,p.218(1874.).1・・WEISE,Na七urg・.

hs.Deutschlands,ⅤⅠ,p.279(1882).・EVERTS,Col.Neerlandica,工Ⅰ,pp.392&

426(■1903.)・・qACHARD,in WYTSMAN,Gen・hs一・,CI」工Ⅹ,Coll・−Phytoph・:Fam・

ChrysoTr!・−・Subfanl.Lamprominae,pP.4&10−11(1914).・・CnOJ6,Trans・Nat・Hist・

Soe・FoImO甲,ⅩⅩtV,133,ppい242丁243(1934)・

B.yrY’hus STURM,Deutschlandsl:nS.K紙,‡1,p。109(1807).・STEPHENS,Ⅰ11ustrn British

Ent一・,Mandib・ItI,p…139(1830)T

Phalacrus STEPHENS,Ⅰ11ustr.British Ent.,MaTl,dib.工Ⅰ,pい197(1829)

LdmbrosomtlLACORDAIRE,MonogT.Phytoph.,TT(Mをm.Soc.Royり ScL Liige,Ⅴ),p

631(1848).,−IFAIRMAIRE,inJACQUELIN DU VAL,Gen… Col.d,Europe,ⅠⅤ,p・216

(1868).・LE沌VRE,Arln。Soc.Ent.France,(5),IJ,pp.377・・378(1872)・・REITTER,

Fauna Ger汀anica,【Ⅴ,pp.104&ユ06,plり CXliv,f… 3a・b(1912)・一IKUIINT,tllustr

Best.・・Tab.K紙 Deutschlands,pp.803&834,f小 23a】C(一1913).・・SCHEERPELTZ et

WINKLER,in BROH血ER,etC。,Tierwelt Mitteleuropas,Ⅴ,ii,2,p・ⅩtI・・223,pl・Ⅹlii,

f.1035(1930).・JOY,Pract.Handb.British Beet1es,t,pp・396&398,‘pl・CXV,f

lO(1932.)”

SubgenOtype:B.yyIrhusco;・COlor STURM,Deutschlands hs・,Kaf・t【,PulO9(1807)

homG甲叩a叩〔f、ixed−byJ・CuRTIS,放itish耳nt・,Ⅴ工tI,No・、34フ(1・831)〕

Range:Europe,Japan,ForTrlOSa,Sumatra,N”America,Mexico aT)d Panama・

Gencra月character$are aS thosein the descriptions of the Subfamily,Tribeこnd Genus,

and the suDg・eTleric characters asin the above・mentioned Key・

鼠ey to ttl¢Speeies

l・Bodylarger,3・0−3・5;TlTrりinlength;Clypeus wholly depressedEind dis七hctly put〉eSCent−

punctal=e,pur)CtureS Onthe elytra notstri飢eandallof themSimilarinsize;general

colour bror.zy,With brassy or coppery shimTr,er,andlユnder・Sideless metaユ1ic than

/bγ‥弼0ざβプZぶg CHtけ6

on tbe doTSum

1,.Bodysm乳11er,2.25−・2.75nlm.inleng咄 clypeusne悠herwhollydep貰eSSednor distinctly

pubescent−・punCtate,elytra stroT)・g1ystriate州punCtatea・ndinterstices of these prlmary

striae ofstrong・punctnreSlbearsa stria・OfsmallerIpunCtureSOn ea・C

2ル Genera1colour bron2:y,With brassy or copperylustre,SOmetimes entirely beaTS、a

dark bluish gTeen Or・dark blue,With under・Sidelessmetallic;Clypeus som・eWhat

obliquely placed tothe frcns.with surfaceflatand finely sha・greened,prOnOtum

andelytramorestrQng1ypunc叫ed,apalrOfobliquegrOOVeOnthelstabdominal

sternite not touched tothehindmarglrLOf present stel・nite・

alie;lum BATES

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241

2’・Generalcolour violaceous black,lustrous,With e】ytra more violaceous than th.e−others and undersideless so;CTypeus strong・1y a・nd sharply ridged between the roots of

antennae,mOre Orless distinctly depressed on the middle of the ridge,Very StrOng1y obliquely placed to the frons and finely shagreened,apa)r Of oblique

groove on thelst abdominalsternite touched to the hind Tr)argIln Of present

SteInlte 即わgα¢gO㌫2gr〝沼 Sp.nOV.

1.‡JamprOSOma(00mOrphⅥS一)formoseIISe CHtけ6

Lan妙rosomafbrmoseプ2Sis CHOJ6,Trans.Nat.Hist.Soe.Formosa,ⅩXIV,133,pp. 243&245・246(1934)(ア0Ⅰ・mOSa.:Musha.&Ta、iheizan).

Body ovate,With dorsum very strongly convex.Generalcolour bronzy,with brassy or COppery Shimmer;underside andlegsless metallic than onthe dorsum;antennae pitchy black to deep black,With two basalsegmentS(more or・1ess cupreous or bronzy on each dorsum)aT).d the apexofllth segment dark yellowish brown to piceot3S;mandil⊃1es with each

apical helf pitchy red to pitchy black

Head:frons somewhat convex,ratheてSpar・Sely pubesent・punCtate,the punctuation thicker On thelater・alareas than on the middle,With a smalllong■itudinalfovea on the middle of

upper area and anotherlarger and deeperlongitudina−1depression(whichis widened anteri− Orly)on alittle beyond the formerlfovea,these fovea and depression sometimes connected toeach other,the a.rea・SurrOundingthese fovea and depression alwaysfinely shagreenedand moreoverfinely strlgOSeOrrugOSein some cases,Sulcate OneaCh side alcng■theinnermargln

Of eye and beaIinga distinct smallfovea on the upper end of the sulcus;Clypeus not

delimited fIOm frons,mOre Orless depIeSSed entirely,distinctly emarg■1nated at the front marg・ln,StrOng・1y and rather thickly pubescent・punCtate,with theirinterspaces finely sha・g■丁

reened and rathe工rugIOSe・p Antenlnae Short,Withlstseg■ment strOng1y thickenedandso:meWhat CurVe¢,2nd nearly trig・Onate−・C・Onical,3rd to6th slender,flat and g■radually diminishing■their length tern3inally,7’th aTld9th tolOth distinctly widened termina11y,8th very much smaller

than the7’th or9th a:nd rather wider than,1but nearly equalinlength to,the6th,11th muchlonger thanlhelOth andgTadua11ynarr・OWed te工minally with apex roundedいPronotum

more thnn twice as wide asitislongr,StrOng・1y narrowed乱nter・iorly;front margln trisinuate and mostlylmm望,Ⅰginated t)utnarlOWly bordered on eaCh sidein a short distance,allthe ang・1esneqrly90O or ratherless than900in ang■ulation,Tateralmarg■inssharplyIidgredand gentlysinuate,basalmarginSinuateandsharplyI’idg’ed,butthe ridgecOVered bythe basal area of elytrain gIeneral;dorsum strong■1y convex,thickly puT).Ctured・Scutellum small, obtrigOnate,loて1竺er than wide,impunCtate a・nd smooth on the surface・Elytra widest at a

lit七1e behまnd the humerala1eaand dist;T)Ctly wider than pronotum at this area,TlarrOWed posteriorly,rOlユnded at the apex,Very StrOng■1y cc′nVeX andthickly plユnCtured(thepunctures ratherlarger than on the pronotum)on the dorsum・

UndeISide rather thickly pubescent−punCtate,finely sha・g’reened on eachside,thepumtl才reS on the me:乱Sternun3 muChlarger and deeper than those on the other areas;prOSternum sharply r:id・ged at the front n?a・rgl,n,rather obtuselyridg−edat the】ateralandhindrma・rglnS, flat oh the surface,finely shag・reened andrather sparsely pubescentq・punCtate;Ist abdominal sternitewith a pair ofwide and deep grOOVe、whichis not、eXtending■tothehind marg■⊥n Of pェesent:SteInite;Claws distinctly appendiculate・

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timesaswideasitis,longiely七ra narrowedposteriorlywithadistinctctlrⅥatur OneaCh畠idさ,

1ast abdominalster正ite more strong1y depressed at the aplCalarea thanin femaleJ

♀:Body ovate,prOnOtum rather Tr!DreJthan twice as wide asitislong■,but not so

transversea.sinma1e;elytranearty stIaig・htlynarrOWedposteriQrly,1astこabdo印.inalsternite

Slightly depre岳Seまon tbe apica1area・

Length:8,3.00→3…25mm.;1 一♀,3‘5mm・

I.oc.Distr.・Hakurei(altiude about1800metres)in Mt.Ta.ihei・・Zan,Taihoku−Sy丘(18,

Ebrat.yPe,7..V.1942,A.TANAKAleg・・);Akebono(altitudea■bout1850士netreS.)

in Mt,TaiheiiZan,Taihoku・ISyG(18 &19,EbratlWd,8.Ⅴ.1942,A・’fANAKA

leg・.);Miharasi(■altitude about1880metres)in Mt一・Taihei−Zan,Taihbku−Sya

(38 8&2?♀,.Zbrat.y?e,9.V.1942,S・tSSIKIleg・■)・ M11Sha訂nd Taihei・・Zan(a翫eT・M.CEロ拍,1943).

Gen.Distr.・・Foて・mOSa.

2.‡」amprOSOma(Oomorphus)aJien11m BATES(Fig.11)

LanWrosomaalieプl〟m BATE声,Procけ Zool.Soc・London,p・353(1866)(■Formosa)・−

CLAVAREAU,inJuNK et ScHENKLING,Cpl.Cat。,uII,p・1224(1913)(Formosa)・q・叫1WA,

Syst.CatFormo早見,Col.,p.186(1931)(Formosa:Tainan)・・・CHtIJ6,Trans・Nalt・Hj・St・

?oc・Fomosa,ⅩⅩⅠ.V,133,pP・243&244(1934)(Form・OSa:Taihoku,Urai,Shinchiku,

革hiig・a0,Hor・is桓,Musha,A‡まsan,T「a・inan,Ru・a川上Kwa‡■eコko,Hoo止n&’r軍ito.)・

00mOr9hus alie?luS GEMMINGER et HAROLD,Cat.Col。,Ⅹt,p.3358(・1874)(Formosa)・・

ACHARD,in WYTS、MAN,Gen.hs.,CI.1Ⅹ,p.11(1914)(>Formosa、)・

Bodyveてy broadlyovate,With dっrsumvery str・Ongrly convex・GelneI・alcolour bronzy,With

brassy or・COppeIyShimmer,SOmetimeS eTltirely Dearmga dark bluis!1g.reeJnOrdqrk’blue

(inthese cases the ely七r・a,mO:・e StrOngly bluish tha・n theother・S),With undersidealnd・1egS

g・enerallylessmeta11ic;mEr),dibleswith eaC】1apicalha1fpi七Chyredtopitchyblack;antermae

darkyellowish brown toplCeLOuS,With u一)perSulfacesof thetWOlbaSalsegmentS bron2=y・

Head:fro九SSO・ineWhatconveLX,finelyt)utSparSelylptrnCtulate,Wjth along・itudi:nalfaint

impres5ionor)themiddleoflower po‡tioninlm更rny CaSeS,畠P£rgelypu■bescentone公Chside,

fhelyshagr畠ened along・theiil:ner marg・Ln Of e崇Cheye2md bear・ing・a distinctsmallfovea

ne見r theupereコdof e三、Ch eye;inter−aロ・telnnal已、rea SOmeWhatraisediTla WCakarch,the

upperareafromthearchedelevationdeclihcLdina Shortdis七重nCe,thelowerarea from the

archedelevationdeclinedinaratherlong・dista草Ceandentirelyfinely shagTeend,Withfront

margin d;st;nctly emq・rIg・加ted・AntennaeShort,Withlst segてnentStrOng・1y mcrassa・teand

somewhat curved,2ndnea沈y trigOr・ateMCO裏cal,3rdto6thsleTldeIandflat,3rdlonger thaTl

anyoneof the three followingS,5th rather wider butmuchshorter thanthe3rd,4thrather

shorter・andIほ.rrOWerthanthe5th,6thコearlyequalinwidthto,butslig・ユーtlyshorterthan,the

4th,7thand9thtolOthstrongiydilated,8thnearlyequalinlengthto,butratherthicker thanプ

the6tha:nd verymuchsmaller than the7’thor9th,11thne三rly ovalinoutlineandbluntly

pointedattheapex・Pronotum more than twice aswideasitislongI,StrOng・1y narrowed

anteriorly with alight curvatureor g・eユtlesiて一・uation;frontmarg・ln Weaklytrisinuate andmost

partof themarglnilmmq,rg′†コ孔te■bu七nミⅠrOWly bordered or・eaCh side,front angles nearly

90Oinangulation,Llat3ralmaI:ginssharply ridged,basalang・1esra・therlarg・er than90◇iTl

ang・ulation,basalm句rg用し StrOngly arched posteriorly at the median portion b甚t Slig■ht1y

(7)

孝48

the加s乱1areaofelytr・郎dorsum.strong・1y convex,StrOng・1ydeflexdoneachr$ide(e$PeCially

at′thelater′bTanter・ior areas),rather・thicklylpunCtateWith theirinterspaces veIy、minutely

plmttula・te,☆itha・distinctsetig・erOuSPunCture OneaCh sidenearthe吏Ont COrner,Scutellum

飽血肛Obtf・igOnate,=:atherlonger thanwide,Withbasalangles rounded,・apicalarIg1era七ber

sh葛rP OrObtuse,flatandimpunctateor witha shallowimpression・ElytIa Wider about

thehumera・一r・eg10n thanthebaseof pT?nOtum,StrOng・1ynarrowedposteriorly,†rOtmdedat

theapex;dorsum very strongly convex,punCtate・IStriate,the puncturesmuchlarg・erand

deeperthanthoseonthe pronOtuⅡ㍉intersticesof theselongitudina1rowsof$trOng■punctureS

sparselypunctulate,theselatter plmCtureSg・eneraly verIySmallbutsometimes ratherlarg・er・,

onthe}1ateralandaplCalareasthe striated punctures becomlng distinctlysmaller・andnot

so differentin sizewith theinterstitialpunctures・

Undersidefinelyandthicklyshagreenedon eachside,Very StrOng1yandrathersparsely

pubescent一punCtateOnthemetasternum,ra・therthickly pubescent−・punCtateOn theabdomen:

pr・OSteInum StrOng・1y narrowedatthe加iddle,Shar・plyridg・edatthefrontmarg・1n,iTnmarg・へ

inatedat thelateralandhindmarg・lnS,With sur・face rather convexon the middle butflat

or rathe工・depressed on the anterior andPOSterior areas and finely but very sparsely

pubescentqpuncta埴1sta:bdominalstemite with a pair of obliuqegrOOVe Whichisnear・1y

approachedtothehindmaIglnOfpresentstemite;Clawsdi$tinctly a・Ppendiculate・

8:Pronotum rather more than as wide asitislong‘butnotsowideasinfemale;1ast

abdominalsternite finely、宏nd very thickly g’ranulose on the aplCalarea・

?:Pronotumabout two and a half times as wideasitislong;.1astal〕dominalsteInite

finely and rather thickly puT)Ctulate・

LeT−g・tb:8,2..25−2.50mm・・; ?,2・50−・2・75mm・

Food−・plant:7セtr(沙aタブaXi,a9yrifby・a C・KOCⅡ(Japanese name:励mi・・.yatude or

7お_ざ0).

Loc.Distr.−・Mizuhoナ TaⅧaZatO一・Gun,Karenk6・rTy6(18ん卜23.ItI。1935,M・CHやJO

leg..);Mt.Hinoki・yama,おunzan一Gu詔.,Taihoku−Sy仏(488 &4?9,5・ⅠⅤ・ユ940,

M.CHOJOleg・.);Tyakon,Bunzan−Gun,Taihoku−しSyti(18&1?,5・1V・1940,M・

CIIt7JO.1eg.);Rim,Og・an,Bunzan−Gun,TaihokuqrSyti(■2??,5uIV・1940,M・Cnt7JO

leg.);Ha.tonosawa.in Mt巾 Taihei・Zan,Ta・ihokn・Syn(■288,15・ⅤⅠⅠ・1940;388&

2??,23.Ⅴ工Ⅰ.1.940∴M.CHtTJOlegい一);Hakureiin Mt.Taihei・I2:an,Taihoku−Sy血

(1?,16..VtL1940,M..C甘拙伯1egI.);Mt.Hituroku・21an,′Karenk6−・Ty6(388 &

1与!,14.ⅤⅠⅠ工.」940,M.CHtけ61eg・..) Tainan(after¥.MIWA,1931);Taihoku,Urai,Shinchiku,Shiigrao,Horisha, Mushn.,Arエsan,TainaT3,Heito,Koshun,Kuraru,Kwarenko,Hoorin and Taito (afteIM.CHOJO,1934).

Gen.Dまstl...FoI・mOSa.

3.、Ⅰ,amprO品ma(Oomorphu$)viojaceonigrumSp…nOV

Body very broadly ovate,With dorsum very stror唱・1y convex・Generalcolour violaceous

black,1ustrOuS;elytra more violaceous than the others,underside−andlegsless violaceous

tha:nthe others;n3andibles with each a.picalhalf pitchy red to pitchy bla.ck・

Head‥fronssomewhat convex,ratheIthickly orrather≒SparSelypunctate,SparSely pub・

escent on ea6hside,finely sh乱g・reened along theinner marg■1n Of each eye,∴With a small

fove乙血cachside closely alongrthe upper endof,eye ahdLalong・itudinal∴i血pression(which

(8)

A

Fig”Ⅰ.・Lam9rOSOma(00mO7Phus)cug−eaium BALY,fIOmJapan;A−doISalaspect; BこIate刀alAspe飢,antenna andlegsI▲emOV8diノ

ab・・・・・・abdomen, mp…一…TnOllth−paItS, tll…いt‡10ⅠaX

h由d

antenna

eye

Fig・2・エα沼クγα飢乃乃α(00∽0痺ゐ〝g)c〟かβαf〟∽BALY,f■ⅠOm.Tapan;VentIalaspect,

(9)

2ヰ7

Fig・3‖ 糎砂050∽〃(伽仰少カ〝5)‘砂一βαf〟椚雪A吋ずT範

Ja、paIl;bead,doISalview,

right−anteもnaand teIminalten segments oflefトante叫aI占hふved

、 \ 〉 \ Fig・4i∴エα呼∂SO椚α(00弼βゆ〝ざ)‘亨ゆγ■β〃≠〟∽月上江Y, \ r fIOmTapan;1・烏昌ad;ventralview,right−mandible,right−maXilla,

right−antennaa桓tらtminalten segments ofleft−antennaIemOVed・

(10)

Fig.5.エα研βグ■〃50∽α(08研0ゆカ〝・S)‘多ゆ柁αね∽BAエY, fIOmJapa翠;1eftlTmandible‥A−doISal aspect,B−1ateI0−VentIalaspect Fig‖ 7.エα沼クγ050∽α(0〃∽0ゆカ〟5)cあゆγβαf〝沼 BAIY, fIOmJapan;left−maXi11a,VentIa]aspect. Fig.6.エα〝砂γ∂5∂椚α(0の矧肘掛如路) αゆ雄雌知刑BALY, fIOmJapan;1abium,VentIalaspe¢t・・ Fig.8“エα桝ク′〃50∽〃(00∽0ゆゐ〝ざ) Cタゆ7β〃′〝刑BAIY, fromJapan;Iight−antenna, doISalaspect

(11)

249

Fig.10・・エα∽カタOS抑α(0∂研0ゆカ〝5) c〝カタβα∼〝研BALY,

fIOmJapan;male genitalia‥A−1ateral aspect of the whole,B−Ventralaspect of the apICalpaIt Of medianlobe,C一 ventIalaspect of tegmen and tbe basal part of medianlobe:・・…bp basalpart

ofmedianlobe,ed・・・■川=e】aC山atoIyductナ mf”・…h”medianloramen,mト・…median lobe,mO・‥・川median olifiee,tg…… tegmen Fig.11ハ エα∽タγα引〃〝α(00椚0ゆカ〝S) α〃β乃〟タ得 ちÅTES

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