A Taxonomic study on the Chrysomelidae (insecta-coleoptera) from formosa. IX. Subfamily chlamisinae (1)-香川大学学術情報リポジトリ

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Voユ.‖n No.エ(1955) 51

A甘AXOⅣ⑬朋亙C S甘甘ブわY ON T諾E

配慮蜃既YS⑬朋E乱五節AE

(耳二ⅣS斑虹プ甘A叫CO乱斑⑬P甘ERA)厨RO朋FOR親OSA

IX Subfami1y Chlamisinae由

無i(:hio(プ且UJO

(EntomologicalLaboratory)

(Received May23,1955.Accepted asreceived‖)

Sllbfamiiy C星ILAM王S王ME Chlamydees(Chlamydeae)LAOORDA]R】ヨ,Monogr.、Phytoph2(1M昌m.Soc.RoySc.Liるge,5),8, 636−643(1848). Chlamydae BALY,TransいEnt.SocいLondon,(3)4(l),58(1865.).−BowDITCR,Trans”American En Soc..,39,1(19ユ3). ChlamydesCⅡAPU工S,inLACORDAIRE,Hist.:Nat.Ins:Gen‖Col.,10;ユ93(1874)

Chl盈mydiniW和柑AM,Canadian Ent.,28,152(ユ896).一打E¥NE et TASC壬Ⅰ即B玉:RG,Exot.K紙,247,248 (ユ908)

Chl皐mydima、eJACOBY,Fauna Brit。India,incl‖Ceylon and Burma‥ Col.2,′Chrysom.,l、,e6,2フ0(1908). −Ac首ARD,in W¥TSMAN,Gen、In$い,160,Col。−Phytoph:Chrysom.・Chlamydinae et Sphaeroch・ arinae).1−2(19ユ4).−Cfr且N,Sinensia,11,(3−4),189q192(1940);1.c.,,11,(5−6),455,463−464, 465,466,46フ,4フ0,4フl,475,f.19(1940)−GRESSITr,Lingnan Sci.Journ“,20,(2−4),275 (1942);1.cリ354(1942). FⅧ王¢idaeimaJA(コ0王きSOy,,Rev..RusseLd′Ent.,柑,239、(1924) Fulcidaci凪&e LABOISSI血E,BullいSoc‖Ent.France,258(1929)=−CIICJe),Trans.Na七..Hist.Soc.Formosa, 30,(カ2),茄5(.1940);1.c。りき2,(22−1),フ7(、ユ942)

Cぬl?mi$inae GRESSI1:T,AnnいEnt‖SocいAmerica,39,(l、),84(1946).−MoNR6s,Acta Zool。Lilloana del

Inst.,MiguelLillo,6,lフユ・・u2(1948);Rev∼Ent。,20,(1−3.),617(1949);Rev.,BrasilBiol.,10, (.4),4C)9(1950L);Dusemia,2,(4),255(1951);SmithsInstい,u S∴Natい Mus”,101,(■3283),

451(1951);Acta Zool“I.illoanadelInst.∴MigilelLillo,1D,(4),489−539(1952).

/ノ ̄、、、\

\ Generalcharacters(Figs.l−9):/Body subquadrate

Or Subpentagonalor subrotundatein outline,mOre Orless pl−OnOh烏れ−−−−−−

\、

longerIthanwide,Withdorsumdistinctlyconvex b几Sal−lobcl・−

Headorbiculateinoutline,PerPendicularorinflected humcrus ......J′ \ 叫く叫

to thelongitudinalaxis of body,uSually deeplyinserted

inprothoraxand almost or completelyinvisible from the、SCutCⅢ川■ト dorsalside of body.Face flat,frequently more orless

depressed at thermiddle,Ⅶith clypeus not distinctly sepa− eiytron…・ rated from frons and $t工aightly truncated or emarg・

inated at the front margin whichi$ genera11y finely Clytlal・SuturC−

pubescent.・Mouth−partS:1abrum transverse subquadrate,

paralleト$idedor somewhat narrowもdanteriorly,rOunded tul)Cl(1e、

at the front corners,Straight or emarginate and finely

…−一 /′′

Pubescent at the front margln,flat onthe surface with

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Tech.Bu]1:Kagawa Agr.Coll.

llCこ1d .′

52

short,rObust,StrOnglyarchedinwardly,Sharply

acuminated attheapex,deeplyconcave at the

innerfacewitha distinct tooth orangulationon

each,upperandlower,marginbeyondthemiddle;

maxillarypalpiratherlongandrobustJWithlst

segment much snlaller than any one of the

thTee SuCCeedings,2nd and3r・d distinctly thick・

ened terminally,4th slendered apically and

truncated atthe tip;mentum tranSVerSe,with

lateralaraes verystronglyproduced forwardly;

1igula elongate,narrOWed anteriorly and also

posterioIly fromthemiddlewith apicalmargin

rounded andfinelypubesc占nt;1abialpalpishort

and robust,Withlst segment verymuchsmaller

than any one of thetwofollowing$,2ndstron岳1y thickened terminally,3rd near1y elongate−COni− calwithapextrunca七edandmuchlargerthanthe 2ndりEyeslarge,pl寧Ced on each side of face,

lつTOtllOlこしX 【)ー()ヽtClnし1111・ foreleg−・− middleleg−_ ・ノ‘ ̄−】、 ノ′ノ\ .__.SCutellum CPipleし汀al王obe 一−−−−−−−−− ̄ 111etaSter11t‖11・ 11i11dleg−− al)donlinalstelnitcs 1‡L5tこtb(lolllinこ11telgite (01− pyかIiⅢ11) Figu2〃 ChlamisusspilotulS(BALY),from lateralaspect;tar岳iremoved. deeplynotchedator・nea士themiddle Of eachinner margin.Antennae Widelyseparatedfromeachotherat theirbases,the shapevariable,but inmany cases sho工t and robust,nOt extendingbeyond<thebasalmargin ofPronotumwhenturhedthemdacki acceptedin抽e deep groovesonthe flanksofthethorax wheninrepose, with Ist segment strongly thickened and terminalsegments dentate or ser士ate“Pronotummoreorlesstran・ sverse,StrOngly narrowed anterior− 1y;dorsum always strongly convex, generallywithastrongelevationonthe labialpaipus l−1こIndil)1c

Fig.3.C以の感知那5動軌め・S(B瓜Y),f工Om.Tapan;

ventraiaspect;headandleftlegsremoved. 】−−くtXillこLry PallつしtS

只ellユ

/antenn:ll soclくC[ medio−basalarea,deflexed at the front corners,

with basalmar・gin more orless sinuate on each antenna sideofthemebiana工ea,themediananea distinctly

producedposteriorly withapexnearlyalwaysema−

rginated and cal1edthe〟basallobe〝ofpronotum・ Scute11umgenerallytransver$etrape2;Oidal,widened

posteriorly,inmanycasesanteriorlyprovidedwith

a pointthatfitsinto the apertureof the basal

lobe of pronotum;metaSCutellum occasional1y

exposed betweenthe basalpo工tionof elytra and

connected with scutllum.Elytra subquadrate or

、・(1ypetts fr0′ns_− OCcIPlt:ll iく)be_ Fig.4.Chlamisus*iloius(BALY),fromJapan;head,

doISalaspect;right antennaandteIminal

segmentsofleft antenna removed.

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Vol.7,No.ユ.(エ955)

m()uthl・partS

/完・謡忘ニ .._ 〈J

53

岳ubrdtundate,generally moIe Or1esslongerthan wide, Closely appliedto the base of pronotum,nOtCOVeringthe

Pygidium,withlatero−basalarea$ Very StrOngly and angularlyproduceddownwardlyandcalledthe〝epipleur’al lobe,〝suturalmarglnS generally se工1ate Or denticulate

t王IT・Oughout.

Undeて・Side:Prosternumdistinc七,Vaご−iableinsllape, /mOtlth−Crし\′、1ty

・、gula butgenerallywidenedanteriorlyandcompressedposteridrly

intoa ridgeorlobeふhich are called the 〝prosternal process;〝 proepistefna being situated in a same

level with t壬1e anteTior

anglesofprOnOtum,ラdnted withi七andprolongedinfe−

Fig・・5.Cろgα沼才.sα√SS♪言わ′〟S(BAI−Y),f工Om

Japan;head,VentraIaspect;ユeft mandible,1e董f maxilla,1eftantenna and terminalsegments of antenna

工emOVed. 1・さ

.∴

mandible,inferio・・Ventral

aspect“

riorly;metathoracic parapleura short,1arge,emarginatedattheinner

Side and generally quadratelytruncated attheposteriorend.Abdomen

StrOnglytransversely convexintheventralview,butlongitudinally concave onthe centre,interme−

diatesterrlitesnot medially constricted,1st visible sternite sharbly carinateonthemiddleand both

Sides of the carina morIe Or 7ess sulcated,2nd,3rd and、4th visible sternitesvery much$hoIt andimbricated,5th(last)

Visible sternite more orlesslonger than the three precedings

COmbined together but distinctly smallerthan thelst and geneT

rally foveolatedonthemiddleinbothsexe$,butinthe male

Of somespeciesnot foveolated andnearly or completely flat

On tbat area小Legs sIlOrtandTObust;femol■atでiangulaT1y com騨●

essedwith acute margins and restinginthe excavations on the

flank$Of the breast and abdomen whenin repose;tarSiwide

OrnarrOW,thelengthvariable butgenerallyshort,articulated in the apical excavation of tibia,1st segment a little elongate and rectangular or

Fig∫.フ.CカJα桝ブ5〟S喀前頭那(BAI」Y),

出OmJapan:1eftInaXilla, Ventralaspect.

triangugular,2nd short and theapicalmargin emarginated,3r・d, deeplybilobed,Claw−Segment Very Short and not extending to the

apexof precedingsegmentinone case,butin anotheritis very

longand prolonged much beyondthe apex of preceding segment;

Claws variable,free from each other,Simple or appendiculate or

bifidate。 submenttlm Fig.8.C以励磁・S揖.坤査わね.s (BAもY),f工Om Japanけ Iabium,Ventralaspect. Wings(Fig.10): Cu Well”developed,COnneCted to

Pcu a七aboutthemiddle and foImingtherealargeandelongate

Cell(thelstcubital−Cell),in some casesit forms a small−Cell(the 2nd cubital−Cell)byitselfiust beyond thelst cubital・Cell,but

Fig。.9.C/zJα用言−S捉S.妙彷血s(BAI.Y)

from Japan;right antenna, dorsalaspect.

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Tech.Bull.,Ka岳awa Agr..Coll

inother casesitis simpleand not forms the2nd

cubital−Cell;Cula Simple andisolated;Culb and Pcuwell−developedasusual;generallytheradial−Cell

ill−developedorratherindistinct・

Male genitalia(Fig..11):Medianlobe well・ chitinized,Simple,gentlycurved,tubular,butsome・ what dorso−Ventrally depressed;median orifice

54

Figl・ユ・0・Chlamis聖・Sl$Pilolus(BALY),fromJapan;occupyingtheanterioredgeor dorso−apicalarea right wing,dorsalaspect.

of thelobe;median foramen veIylarge,OCCupying the most ventral$ide of the base of thelobe.Tegmen nearly

Yl・Shaped,attaChedtonear the anterior edge of the median

foram9n,flat,Withthebasalpartcompre$Sedfrombo七h$ides・ Themembersof thissubfamily(about480 $PeCiesbelon・ gingto8genera■)aremost abundantintheNew World,eSpeC, 払11yin theTropicalAmerica,but sorrleOfthem(abo11tlCO speciesbelongingtothegenera−ChlamilSuSRAFINESQUE,物metes LA(〕ORDAIREand Aulacochlanqys MoNR6s)ar・e also occurTingin

the Old World(Africa,Madagascar,India,Indo−China,Indo・ Malayah,Islands,China,Japan,etC・)・The Formo$an SpeCies

belongonlytothe genusChlamisusRAFINESQUE

A B Fig.11.Cゐgα例言5〝・い妙彷吻・S(BALY), f工Om.Tapan;male genitalia: A・・・・dorsalaspect‖B…Ventral aspect;bpl・・basalpar七Ofme・ dianlobe,dp…distalpartof medianlol〕e,ed…eうaculatory duct,mf…median foramen of medianlobe,mO…median orificlof medianlobe,tg・・・ te許nen.

Genus ChlamistlS RAFINESQUE

ChlamisusRAFINESQVE,Analyse Nat・Tab…1′UniversetdesCorps Organi$eS,ユ6(1815.)”・GR】∃SS=Tr,Ann”軌1t”Soc小 Ame・ Ⅰ′ica,39,(■1),84(1946.)”−MoyR6s,R帥トEntリ20,(、1−3)、 617(1949);Rev.Brasil・・Biol・・,10,(4),412・4ユ3(−ユ950); ActaZooIuLi1loana delInst.,MiguelLillo,10,540,54フ・ 549(ユ.952). ChlamγSKNOCH,Neue王∋eytr”Z・・Insektenkけ,1,ユ22(■180ユ.)・・OLTVIER,Ent‖(rHist…Nat・Ins),6,(96て), 8フ2−874(1808.).・KI.UG,EntL,Monogrい,8フー89(1824).、−KoLLAR,Monogr.Chlamydu,ユ.(1824‘)n・

LACORDAIRE,Monogrい Phytoph.2,(’Mるm。SocりRoy.Sci‖L軸e,5),643,649−650(

CEAPUIS,inLACORDAIRE,Hist・Nat.Ins.:Gen.Col…1O,202(1874)…−Do‡Ⅰ鱒,StettinerEntいZe軋, 4l,296−297(1880.)い・・JACOBY,Biol・Centr一−Americana,Colい,6,(l),75(1881);FaunaBrit…India,

incl.CeylonandBurma‥ Col.2.Chrysom‖1,2フl(1908)”・AcEARD,inWYTSユrAN,Gen・Insl,

160:Col.1・Phytopbい,Chrysomり−Chlamydinae et Sphaerocharinae,3,5−6(:1914)・−WEISE

PhilippineJourn.Sci・,21,(5),435(’1922)・−CHB2q,Sinensia,1l,(3−4),192(−ユ・940)・

ExemaLACORDAIRE,MonogrI。Phytop‡1、2(Mるm,SocnRoylSciLi6ge,5),643,844(1848)・−CⅡAPUIS,in

LACORDAIRE,Hist‖ Nat,Ins.:Gen..Col.,10,204(1874)い−JACOBY,Fauna Br’it・India,incIu

CeylonandBurma:Col.2,Chrysom…1,27l,2フ8(19〇8)u−Ac,EARD,in W¥TSnIAN,Gen・Ins、,

16O‥Col一−Phytophい,Chrysom。・Chlamydinae etSphaerocharinae,3,ユ・6qユ7(1914)l・CE㊥J6,Tran$・ Nat‖HistいSoc.Formosa,30,(:202),265−266(194O);1.Cり,32,(221),フ7(1942)l・MoNR6s,Acta

Zool.LilloanadelInst。,MiguelLillo,10,540,645−647(1952)

物〃C肋卿SIⅡERIy¢,RevいMus・Paulista,6,642,1904(1905)

AYihrochlamysIEERING,An。MusLNac・Buenos Aires,14,251(lSO7)u−LABOIS声Ⅰ血E,Bulll・Socl・Ent

France,256−258(1929)‖q BROWN,CanadianEntl,75,119・ユ31(1943)い−NAVAJAS,PapeisAvulsu$,

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Vol.フ,No‖ユ(1955) 55 4,2三13−220(ニユ944二)

BoloschesisJACOBSON,Rev。Russe d′Ent,18,239(1924)い−ScI‡AEFFER,Proc.EntSoc‖Washington,28,

181−190(エ9茄).

Generotype:Chlamysgibbasa(FAr3RICIUS),Gen・IInsい,2ユ2(Clythra)(1.フ7フ)fromNorth America 〔De$ignatedaSthe geI:OtyPeOfthe genusChlamγS KNOCH by M.JACOBY,inFauna BritIndia” incIu Ceylon andBurma:Col.,2,Chrysom.1,p.,2フユ(1908)〕.

Ramge:Principallythe New World:Africa,Madagascar,India,Ceylon,BuTma,Indo−China, Malacca,Surr)atra,Flores,Celebes,CeIam,Amboina,Philippines,Formosa,L〉00−Choo,Japan,

Korea,Manchuria and China

Generalcharacters:Body sut)quadrate or subpentagonalor subrotundatein、Outline,distinctly

convex dorsally and also ventraliy

胃ead deeplyinsertedin prothorax,invisible fICm al〕OVe,Orbicuiatedin otltline,PerPendicular oril】flected to thelongitudinalaxis of七ody;face flat,frequently with n7edianareamOre′orless depressed;Clypeus notseparatedfIOmfTOr)S,With fIOnt rn6rgin feeblyeIrarginate orslfght!y sinuate’ Mouth−partS:1abrumtransverse,generallyparallel−Sided,rOunded andf言nelypube∈Centatthefront corne‡S,Straight or slight】y eTr)arginate at the rniddle of front nlargin;manbidles rather weakly deveioped,Short and robust,StrOngly aTChedinⅥ・ardly,d∈eply 王101loⅥed at丑e行Ⅷer 総ce,∈harply

trideLntate;Tr)aXi17ary palpiratherlong and robust,Withlst segmen七Very Tr3uCh slendererthan any

one ofthe tbree fouowings and the shortest,2nd and 3rd distinctly thickened terminally,4th the

largest,thinned terl¶inaliyand七rしnCated atthe apex;1abialpalpialsoratherlongandrrobust,With lst segment veIymuCh smallerthananyone・Ofthetwosucceedings,2ndstronglythickenedterminally, 3r・d very muchlarger thanthe2nd,thinned terminally and truncalted at the apex・Eyeslarge,placed on each side of the face,S七rongly notched aもOr near・,the middle of eachinner mar・gin− Aritenna

short and rob11St,Widely seaprated fromeach other at their bases,nOt eXtending beyond the basal margin of pronotumⅥ屯en turned themback,reCeivedi王〕the deepgroovesontheflanksofthethorax Whenin repC>Se∴町汀h王t seEment StrOngly thickened,elongate and somewhat curVed,2nd nearly tIunCa.teイ・On三ぐ姉tトe抽00T thTee fcl10Wir唱S Sler)der,rrCTe orlessflattenedandoften variable by

the sexe9,5thto1nth or,6th to,7.Oth stronglytransverse and serrate ordentate,llth triangu工arly

Or Subtriangt−7aT】y enlclrged with the 包pex rounded or pointed。Pronotum transverse,Widest at the

base,StrOrrgly nnrrowed anteTi(r】y With rr;Ore Or]・eSS rOunded sides;allthe margins clo$ely followed

by a con七inl!OuS Sulcus whichincludes a row of puncturesinit,basaln3argin generally sinuate on

each side of the basallot)e Whichis triangularly produced posteriorly andmore orlessemarginated

at the apex;dorsum with a strongly elevated median discinmanycasesandmoreorlesstuberculate,

ridged and wrinkled,butin some cases the disc smooth and evenly convex.Scutellum transverse, nearly trapezoidal,Widened posteriorly,With hind corners producedlatero−pOSteriorly,impunctate

and finely shagreened or extTemely:minutely sculptured on the surface“Elytra elongate,the form and structure very variable;in some cases the dorslユm almost smooth and the sides rounded,butin

many cases subparallel−Sided or more orlessnarrowedposteriorlyandfurInished withmanytubercles

andridges;Suturalmargins denticulate throughout;humerimore orless raisedandtranSVerSely

rugose or strigose on the surface

Underside‥ Prostemumlarge,narrOWed posteriorly with the sides straight or rounded;the Shape of prosternalprocess very variable but may be epitomizedin the following forms:l.Very narrowlike a carina,2りNarrow,Simply narrowedapically,Withstl・aightor slightly roundedsides, 3サWide,Withthesurface flat oTlongittldinal]ysulcateandtI】eSidesstraightormoreorlessrounded,

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Tech.Bu11.Kagawa Agr.Coll.

56

Ratherwide,withanangulateexpansiononeachsidenear,Orbeyond,themiddle andtheapexalso

angulated;meSOSternumeXCaVatedat themiddleofanteriorareaandtheposteriorportionofprosternal

processfitsinto this area;metaSternumWith the anterior areaproducedin frontin a shortlobe at

the middle and more orless emarginated on each side of thelobe.Atxlomen with five visible

Sternites and theintermediate sternites not constr・icted medially butimbricated,1stvisible sternite

ShaIplylongitudinal1ycarinateonthemiddleanddeeply hollowed oneach side ofthe carina,5th

(1ast)visiblesternitemuch\longerthanthethreeprec6dingsunitedtogetherbutmuchsmallerthan thelstand generallyfoveolatedonthemiddleinbothsexes,butin the male of some‘species not foveolated andnearlyorcompletelyflatonthat areaLegs short′rObust,rathergently compressed・ acceptedinthe excavationsonthe flanks of the thorax and abdomen whenin repose;femorasome・

Whatdilatedmedial1y;tibiaesimpleand hollowedontheouterordoISalsideof eachapex;tar$iwideor narrow,general1y shoIt and articulatedin the apicalexcavation of 七ibia,with thelst segment somewhatelongate andrectangular or triangular,the2nd short and emarginated attheapicalmar’gin, the 3rddeeply bilobed,the claw川SegmentVery ShoIt andnot extending to the apex of preceding

segmentinonecase,butinanotheritisverylong andprolongedmuchbeyondthe apexof the3rd;

clawsgeneral1ylongISeparatedfromeachother at theirbasesandstronglyorfeebly appendiculate

in gener’al.

Remarks:(ユ)−The genus−nae Chlaク搾ツS KNOCE(1.8つユ)having be◎npr・eOCCupiedby R6DIm fol−

agroupof Mblluscainlフ98.(2)−The・genuS−name MγOChlamγ・SIEERING(1905)was pr・OpOSedas a

newnameforChlamyS KNOCH(1.801),butthepresentname also havingalreadybeen employed to theothergroupofinsectsbyFATRM:AIREin1876.(3)・・ByreasonoftheformeritemI注ER12qGneWly

proposedanotner genus・name Arlhrochlamyゞin19〕7forhis Myochlamysinl9〕5(=Chlamys KNOC土Ⅰ, 1801)..(4)−Without paying regaIdtotheIHERrNG′$ attempt aSintheupper paragraphsJACOBSON offeredinユ924anewnameBoloschcsis forChlamγS KNOCE(ユ9Cl).

TheseworksbyIHERING(ユ9C)5&19〕7)andJACOBSOy(1924),however,arelikely tohave been done unawareof the presenceof the validname Chlamisus RAFINESQUE(1815)substituted for the

firstnameChlamyswhenthelatterwasunavailable・GenusExemawasestablishedbyLACORDAIREin 1848andseparatedfromthegenusChla呵γSKNOCII(18C)l)bytheantennalcharactersasfollows‥

Chlanqys−Antennaedeformetr主s−Variable;1e pointotlelle commencent えgrossir manifeste− ment variant du3e ou5e article;dans ce dernir casles articles3−4 presque toujours

plusoumc.insallong仝s etobtus畠ment trigones:1esarticles5−10formantr・arementune

massue proprement dite・

Exema−Antennes courtes;1eurs articles 3−5 gr畠1es,Cylindriques oul伝g畠rement obconiques; 1es suivans formant plus ou moins br・uSquement une maSSue rigiduleえarticles serr畠s,

t工anSVel小SauX.

And,afterthat,this separationwas supported byAcEARD(1914)andMoNR6s(1952)巾、.JA.COBY (1908)alsoemployedthisdistinction,butitmaybe seenthathedidnotfullyrecognize thevalue

of this separation,because henoted at the endof thebrief description on the generic characters

of E畑∽αaSfollows‥ ∫ゐα〃g物fZg.s秒針成れ那d=那頗汐q■α明泥彿級別沼¢如才

Thetwotypesofthe antennalcharacters mentioned above areobviously widely$eparatedand

inevitably receiveddifferentgenericnames,butgenerally,theshapesofthe3−5antennalsegments

are very variable(the variotionmaynotonlybe seenbetween thedifferent species but maynot

rarelybe seenamongthebothsexesofthesame species),and thestudyofthemanyspeciesof this groupofinsects reveals that the abovementioned twotypesareconnected by along ser・ies

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Vo1.フ,No∴1(1955) 5フ

Onaccountofthesereasonthegenu$ExemaLAC。RDAIRE(1848)maybe treatedasasynonym

Oft王1egenu$CカJα鱒γぶ恥oc壬Ⅰ(180ユ)(=C肋桝査.s〟5RAFINESQlフE,18]5)小

駄ey to蝕e Spe(豆es

ll・Prosternalprocesswithits sides expanded triangularly near themiddle and the ap甲also

distinctly angulated ・(2)

l′‖ Prosternalprocesswithitssidesstraightormoreorlessrounded 川(4)

2い Generalcolourreddishbrowntopiceous,Withmany qarkerorlighterirregulaTSPOtS Op the

dorsum;head andlegs alwayslighter than the o七hers… fbrmosanu.s(BArES)

2′..Generalcolourdeepblack,withtheexceptionof antennaeandmouth−partS(inonespeci6岳′the

tarsial$。eXCepted) ”・・(3)

3.,Pronotumwithmanyst王ongand sharpttiberculations,prOSteinalproces$Very narrOW,taISi

yellowisbbroⅥ7n 緑地けおれs(BAIノ☆)

3′.pronotumwithtwolongitudinalparallelridges(each rIidge with two branches towards latero−anterior・1y)onthemiddle,prOSternalprocessbroad,tarSideepblac

α〝g〝∼zぶg♂γ抑〝S(CI沌J∂) 4..Bodyverysmall,2.Omminlength(令);prOnOtumwith a pair ofIongitudinalridge on the

middleandeachridgedespatches a three−branched ridge from thebasetolatero・anteriolry

5肋〃Z〟ブ spり、nOV・

4′.Bodylarger・,2.5q4。5mminlength;PrOnOtum Without suchridgesa$in the above−mentioned

・・・(5)

SpeCies

5.PronotumwithtwolongitudinalparIallelridges on themiddle and each ridge dividingノtWQ

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(9)

(フ)

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brancheslatero−anteriorly…

5′.pronotum without such ridges asin above

Pronotum black,with one or two yellowish or reddish brownmarl;ings

Pronotum entirelyblack

6.訂 フ

Pronotumwithalar・ge yellowish brown

to the front margln and a same coloured smallspot.ラu$t beforethe scutellum

βαぴ〃Sどgク乍め右5(CⅡ闘6) 7′.Pronotum with alar・geTeddish brown marlこingon the middleof anteriorportion touched to

tbe fI・Ont′margln 少0わ%5ねば(CIIVJ6) 8.PIOnOtumStrOnglyandthicklygranulate,1egsentirelydeepb!a云k

富み∂桝〟弗♂nOmnOV.

hujoi(GRES釦TT)

10′.Pronotumnotso coloured asinabov

ll・Pronotumveryfeeblyreticulatedon themedian elevationandnotstronglyridgedortuber6ulated

On tbis area 桝〃紹才Zc〃J〝5(C耶おら)

ll′.,Pronotum stronglyridged and tuberculated on the median elevation

k琉抽㍑払.s(CⅡ萬Jる)

12.,Pronotumwith three sooty black portionson the middle 12′.P工OnOtumwithout such portions asin above

ね紺ね滋(BA工.y)

(ユ3)

13lPronotum with a Y−Shaped ridgejustbeforethescute11um Ycoslalus(CIIt)1b)

(8)

58 Tech.Bull。KagawaÅgr.Co11. 1.CIlla劇i紬S foT・mOSaI川S(BAT玉】S)(Fig.ユ.2)

Chlamys jbrmosana BArES,Proc.Zool.Soc.London,353(l.866)(Formosa)..−GEMMINGER et HAROLD,CatL.Colい,11,3303(1874)(Formosa)..・CLAVAREAU,inJuNE et Sc王柑2qXLING,Col.,Cat.,53,213 (1913)(Formosa)”l・AcFARD,in WITSMAN,GenいIns.,160,16(1914)(Formosa)一MIWA,SystいCat.

Formosan Col.,186(1931)(FoImOSa:Tansui)

Exemajbrmosa窄aCI王帝6,Trans。Nat.HistlISocいFormosa,30,(202),267−2フ0,293(1940)(Formosa‥ Kosyun,Horisya,Musya,Rono,Tikuto,Taihoku,Sozan).

CゐJα例言・銅ばノ観憫邪ざα〃甜.ざ GRESS汀で,Ann.Eェ軋 Soc小 Amer・ica,39,(ユ),86,ユ00(ユ946)(Foェmosa:

Musha)

Body rather elongate,Subpentagonal,Widest at the base of elytra andratherstIOnglynarrowed anteriorly but gently soposter30rly”Head and・ante工,nae ye批Wish b∫OWn,W3th a blackish brown Or blacklongitudinalpatch(whichis gradually wideped downwardly or⊥−Shaped)on themiddle of the upperportion・Offrons,andin some cases{thereis ablack or blacld$h brown spot on the upper POrtion of the root of each antenna and the terminalsegment$0まthelattermoreorlessinfuscated;

PrOnOtum and elytralight to deep reddish bIOWn,with some blackor blackish brown spotsinmany

cases,butwithoutany SpOtin sbme caSeS,and occasionally the anterior portion ofthemiddletinged withlight yellowishbrown;SCutellum・piceous to black,Underside black,withlateral鱒reSaS mOre

Orless七ingedwithreddi∈血brown or castaneous brown;‡)ygidium blackish bIOWn tObIack,Withits longitudinallyraisedpor・tions stained with rIeddishhbrown;1egslightto deep reddishbrown,With dorsalsurfaces of femora,knees and middle poItions of tibiae blackish brown to blaek.In some cases the ground colourbf the body becomi喝1ighter and a$Suming almost entirelylight reddish brown,butin these cases the pr・OSternum uSualIy black.

Head strongly and thickliT PunCtured,interstices of the punctures more orless distinctly

reticulate,With alongitudinalimpre$Sion on the Thiddle of fronsい Antennae with 3Id and 4th

segments short,Slender,flat aI】d very slightlyⅥidenedterTnina11y,5thalso$hortand flat,but very much stronがy widened terminally than the FreCedingone andIather tIanSVerSe,the followings stronglytransverseand serrate一Pronotum wider thanlongJWidest atthe base,Iather strongly narrowedanteriorly;dorsum strong1y and thicklypunctured and theinterspacesofthose punctu工■eS irr・egularlyreticulate or rugose;median disc strongly elevatedwith a centralbIOad forrow・froma littlebeforethe scutellumto nearthe王ront margin,in七er・SpaCeS Of the punctu羊eS On this raised

area more strongly reticulate or‡ugOSe than on the others and

SOme Ofノthem connected to each otherin forming some sinuous ridges;1ateralareas distinctly and evenly convex,1SeParated from the median disc;1ateroqbasalareas notsoespeciallyraised,furnished with oneor more sinuous ridges on eachin some cases..Scutellum alittle wider thanlong,With hind corners strongly producedlatero− posteriorly,impunCtate and roughorrathersmooth on the surまace岬 Eiytra quadrate・Oblong,widest at the base,ぎ1ightlynarrowedposter− iorly,with dorsum coarsely and thicklypunctured;eaChelytronwith fourrows of電ubercles,Viz‖−thelst($utural)rowwhichisconsisting

Of three tubercles(thelst smallone beingsituatedalittlebefore the

middle,the2ndlarge and transverse one just behind the middle, the3rd smallone alittle behind the 2nd one),the 2nd(median)

(9)

Voユ..フ,No.■1.(ユ955) 59

at the ba$e,the2ndone alittle before the middle,the3rd one justbehind the middle and formlng

alarge transverse tubercleby the connection with the2nd tubercle of the s11turalrow,the4thlarge

andround−headedoneneartheapex,andthe2nd?nd3rd op?SCOnneCted,byalongitudinalridge), the3rd(humeral)row consisting of four smalltuberICles(thelst one being situated just behind

the humeralcallus,the2nd one alittlebehind thelstone,the3rd and4th smallonesalittIe before

the apex,andthe2ndtubercle connected to the2nd tubercle of the medianrow and formlng an

Obliquelyelongate ttlbercle),andthe4th(sublateral)rowconsistingof/tWO加bercle$(thelsttrans− Ver$eOnebeingsituatednearthemiddle・andJthe2ndoneneartheapex);besidesthesethereareone OrmOrelargeror smallerltube工一des虹ee fr・Omthらabove cited fOurrOWS.

Underside distinctly reticulated;prIOSternu血 Subtriangular,′with sides ratherrounded and

Surface more orless depressedonthemiddle;prOSternalprocess widened posteriorly and forming

a shape of three−prOnged董ork,with sur・fa.ceimpressed;1st vi$ible abdominalsternite with a strong and sharp centralcarina frDm the base to near the hind mar嘗in,both sidesof this carina deeply Sulcat6andtheouterinarginsofthese$ulciridged;pygidium thickly andstr・Onglypunctu主・ed,With

asmoothcentrallongitudinalcarinaandabro姦dpunttured、1ateralcarinaoneachsideofthemedian Carina,andthese carinae di$tinctlyorratherindistinctly connected to eachotherby atransver岳e

ridgeatalittlebefore themiddle,theregionsbetween the centralcafinaandlateralones$hallowly

depressed,butthe regionsbetweenthelaterdl

$、:Antenhae、with3rdto5th segments rather wider than thoseof the:f占male;1去占t}Visible abdomin戎1sternite’withadeeptrans宣e土psefoveaonthe血iddleandtwo tIanSVerSe Small触bercles, Whichare・thicklyclothedwithreddishpubescence′Ontheanteriorportionofthemedianfovea・

年・:Lastvisible abdominal$ternitewith alon岳itudinalfovea onthemiddleandbothside占of the

fovea brownishpubescent.

1enがh‥谷,2・・フ5−3100叫♀,3・0・3い5mm

せ00d−がa血t:Cα研βJJgαrゐβαLIyE.(一丁apanesename:Cゐれ

LocDistr・・・Mt・Hinoki−yama,Bunzan二Giln,TaihokuqSyu,l谷,.16..ⅤⅠⅠⅠ(ユ941,T.MITO這01e拷.).

Tansui(afterY二MTWA,193i・):Kosypn・lIorisya・MusyaRono,Taito,TaihokuandSozan (after M・CH6J8,1940);Musha(afterJ..L GR玉:SSiTT,1946).

Gen.Distr..・Formosa.

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