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

A TAXONOMIC STUDY ON THE

CHRYSOMEuDAE

押NSE：CTA−COLE：OPTE：RAIFROM FORMOSA

PARTIT SUBFAMILY DONACHNAE

BJT

MicIlio CHOJ∂

（En紬mol噌iea王bboratory）

Subfamily DONACIINAE

Ponac；adaeKiTby，F飢1na触．・−AmeIican乱，ⅠⅤ，p．222（1▼837），

Donac芸ae RedtenbacheIこ，Gatt・I）eutschen Kafer・Fauna，P・113（1・845）・

Dd癒￠；des（Donacidae）Lacordairel，Monogr・Phytq）h・J（Mem．Soc・Roy■Sci・Liege，

Ⅰ、II），PP・91−92（Z845）・−Chapvis，inl−aCOrdaire，Hist・Nat・Insl・：Gen・Col・，Ⅹ，P・55

（ユ874）・・

わohaeはae C．Gl・Thomson，Skandinaviens Col”，VIII，P・105（1866）．・J＆COby et

Clavarぐau，in Wytsman，Gen・Insい，XXr，Col・Phytoph・‥DotLaCiゐe，P・1（1904）・

D⑳nae価Redtenbacher，Fauna Austriaca，ed・3，ⅠⅠ．，P・439（1874）．｝−Wickham，Canadian

Ent．．，ⅩⅩⅤⅠ軋p．69（1紬6／．

Donaci；gl盲Seidlitz，Fauna Baltica，．P・136（1875）・−Weise，Natur’g二Ins．Deutschlands，

VI，P．7（1882）・・・Everts，Col・Neerlandica，lT，PP。390＆391（1903）．・Heine et

Taschenberg，Exot・Kaf・，PP・・245＆246（1908）・−・R・eit七er，FaunaGermanica，ⅠⅤ，PP．

73＆74（1912）・・Kuhnt，I11ustr・Best・一Tab・Kafl・Deutschlands，PP．801．（1913）．∼

Schaufuss，inCalwer，Kえferbuch，ed．6，II，PP・888−・889，ユ907，ユ916（1913）．−Reitter，

WienerEnt．Zeit”，ⅩⅩⅩⅤⅠⅠⅠ，1−3（Beもt．・−Tabl・eurOPえischen Col・，IJXXXVIII），P．21

（1920）・1qScheerpeltz et Winkler，in Brohmer，、etC・，Tierwelt Mitteleurop寧S，Ⅴ，ii，2，

p・ⅩⅠⅠ−・220（1930）・

Doha￠i；na FowleI・，Col・Br■itisbIsIs・，ⅠⅤ，pp・265＆266⊥267（1890）・

DonaciinaeJacoby，Fauna Brit．．India，incl．Ceylon and Burm乳，一Col．ⅠⅠ：Chrysoml，

P．9（1908）・1−ChGj∂，TIanS・Nat・Hist・Socl・Formosa，ⅩⅩIV，135，PP．519 ＆‥521

（1934）．1−Chen，Sinensia，ⅩIT，f−・6，PP。11−17（1941）．−Gressitt，工ノingnanSci．Joum．，

ⅩⅩ，2・−4，p．275（1942）．

E：upodinaeJoy，Pract・Handb．British Beetles，Ⅰ，PP・388＆389（1932）（ParS）・

Genera璽e始ra￠康博（円gs．．ト7，TO＆柑）：Bodyelongateor e王0刀g郎e−Oblong；bead，

antennae and scutellum finely pubescent，PrOnOtum andelytraglabrousinmany cases，

butinsome cases moreorless pubesoent and rarely pronotum fi71ely pul）eSCent hut

exp6sed，generallydeclined，distinctly

orrathやrindistinctlYCOnStrictedbehind theeye芦；neCk−reglOn distinQt；inter− ocularspace、vithastrongcehtrallon“ f■or・eleg・叫 ・・一一prOnOtu血ノ gitudinalgroove（丘pollta11ongitudinal humefuS・・．．

grDOVe）andinDonactaFabriciusthere

is another’weak gr’00Venear eaハheye

（OCular groove）；the area surrounding

＿＿9Cutellum middleleg・− scu亡q王Iar rて）Ⅵ of ︰り㌧︰り‖Jり︰r︰ − −−一■■−−−− 一l■■

pu読turus eachantennal socket more orless

elytral

SutuTe

raised，Clypeusgenerallyobpentagonal，

ヒe stria With加ntmargln Straightoremargl− nate ar）ddorspmmorIe OrIless convex．

．．．▼．．．．．▲−−・−㍉㌧りシ〓

−■−−−●−−−▼1一■▼−−−−▲

elyとTOn _{Mouth−PartS’’（’Figs．3−6）placedatthe}

anteriorendofhead；labrumtransvや葺Se， With f士IOnt COrnerS rOunded and front

marglnentireornotchedatthemiddle；

mandibles robust，incur・ved，POinted

atthe呼eX Whichis splitin some

CaSeS，genera11y armedwith？neOr

more．teethonthelowerside；makillae mediumlOr Sma11；maXillary palpi4・

・イernlir・ わin（＝密・−・・・ apex of ．・一 ely奴■On Fiヱ・1…肋花邪ね（ざ‖れ）㈹攣沼地icids，♀，f工Om Getmany；do工Sa■1aspe〇t．

Segmented，withlst segment

ⅥSu乱11y much sma11er th乱n any

One Ofthe three hllowlngSand

t：helatters rather vafiable in

Shapeandsize；1igulastlhquadrate、，

notstronglychitinised，Oftcnsemi・ membr’an？uS，‘flatorrぬerconve女， Withftontmarglnentireorgently emarginate；1abialpalpi3・Segme−

nted，Withlstsegmentminute乳nd

thetwofo1lowingsrathervariablc

in shqpe and size；・mentum

trIanSVeise，With sidc占founded

Or angulated and fr・ont margln

emarginate・Eyes（Figs・1＆3）

ratherlarge，rOundc申，COnVeXand

inelifac＆ted・Ante竺nae（Figl1） 11・S、egmented，filifbrm，PrOPOrtiona・ t色1ylong，inserted’in fr・ont of theeyesandratberapproximat占 Fig・2・かの劇血￠・威r、1つ8和郎画FabIicius，♀，f工・OmGe∫mapy； VentZalaspec［，Withhead andleftlegs工emOVed．

to each other at basp．．Pr・onotum 伴igトS・l＆きト甲乱dr乱teOt・neaT・1yso，

moreorIlessIon拷er，thanbroador the

r冶VerSe，Withou亡1aterIal，rmaTIg1nS，With dnteriQrPOrtion、15WOlleムortuber・Culate atoi，n呼・′伽∴二もnかs、inma叩CaSeS

and fr？que山1yl桓がtud、in描アgrOOVed

onthe middle of dorsllh小 Scutellum

r顆・さ1）obtr・iaヮgul鱒or n甲巾sd・ El仰臥r硝・1）elbh亘ate，uSuallym血 br・0よdeT・atbaseth8nくpr・OnOtum、para11eト Sidedorna産ow9dposteriorly witha

gentlecurva抽re，rOlユndedor tr11neated

bremaT・か孔ted瓦t the8peX；dorsuh

more orless convex，butthe median

areae generIally flat，in many cases

regt）larlY PunCtate−StrIiate，butrareIy

COnnlSedly pⅥnCt111ate；in Hbemonia

I．atre；11ethelaterol−OSterior end of

each elytron strongly splnOSe Or

dentate and tlle Slユt11r818reamOre Or

7ess raised．．Prostcrnum（Fig．2）

narrow orJ＝・atl】Crindistinct be†wf＞Cn

the 鈷re＿COX乱e．blIも more のrless

widened at its posterior end snd

enterIlnghetween the apice＄Of pro−

eplmera；aCetahulae clbsed bJ＞bind．

Abdomen（Fign2）withls†苧ternite

mlユChlongerIthananyoneof†hefour

n）1lowingSlⅠ．eg’S（Figs・1＆2）sIpnder，

Fig．3．刀血畑血（さ．8れ）￠7・が∂卸β8FabIicius，♀，frOm Germany＝f王ead：doISalaspec［，with antennae re・mOVed・

Fig．4．刀伽畑血（β．れ）eノ，離さ如Fab工icius，♀，fIOm

Germany；Head‥Ventralaspect◆Withleftmandiblc

and maxillaI・emOVed．

gener・a11ylong；fbre・・COXae Cylindricalor conico−Cylindricaland

COntlguOuS Or CloselY aPPrOaChing to each other，middle・−COXae

moder・ately and hind−COXae Widely separated to one another；

femora somewhat thickened，hind1−femoralonger and thicker

thanthetwoanter・iorcorrespondingsegmentsandfrequentlvarmed

wjth one or more denticles on each lower side beyond the

middle；tibiaeslender，fore−andmiddle−tibiaearmedwithaspur

at theapexof eachlowerside，hind一−tibiae unarmedthespur，

hut in many cases the apex of each lower side sharply or

Obtuselydenticulated；tarSirathernarrow，f18t，with3rd segment

de甲1y bilobed and chw−・Segment Club1−Shaped and somewhat

mg．5．かow（ぬ（さ．紛．） 仰がβ卸郎 Fab工iciu＄，♀， fⅠ・Om Ge工many；Left

CurVed；Clawssimple，long and curved；

in〟demク′乙∠■α Latでeilie the 臨r・SiveI・y Slender，C．yliムdrical，With3rdsegment

VerymuChshorterti泊n any dne（一f the

two p亨eceding＄and not bilohed，and

Claw・Segment muChlonger than the

PreCCding se卯CntS COmhined・

Male genitaHa（Fi畠s．，10＆13）：

Medianlohelarge，tubular，CurVed，

With distalhalfstrongly chitinised，but

basaihalfnotstronglysoandoftensemi−

membranous；median orince situated

牢the apex，median foram？nlarfre and

occupying the ventral face of bssal

halflTegmen丘）rminga Welichitinised

F享g・6・pO脚申（s・声こク1・）￠冊S車齢Fab∫icius，宰・．FrOm Ge工many；Leどt maxi11a：Vent工alaspect．

rlng−Piece atthemiddle

and medianpleCe PaSS叫r

lng 血rou紳 thisI1ng；

dist盆Ipiecefor・ming an

elongateChitinouslobe，

notfbImingthe“1atera1 lobe〉，， With median

portionoftensemi・mem・

brano11S叩d8peX enliIe

Or Slightly em8ⅠSlnate

and luubescent or

Fig・71・Donac孝a（slSl7・）ora8SipesFabriiauヲ・♀，fromGermany；Left・Wing‥ doISalaspec亡．

glabrous；hasalpiecc（tegminalstr’ut）semi−membranous and払rming a flat keel

Wings（Fig‖7）：C？∠一simple，isolate；2Ashort，endin昌nearthe post−medianportion

OflAB and not connectlng tO thelatteli

Rang9＝Palae甲Ctic，Or・ientala11dNearcticRegions；Senegal（OneSPeties ofDonacia tibrici呵，．Madagascar（DonaciastaFair・maire−incl．＜）nlyonespecics；OneSPeCieso

Fablicius），AustTIalia（励rodonacta BluckbumiinclいOnlyonesp？Cies；OneSPeCics、of

Donacia Fabr・icius）and Mt，Ⅹico（One SPeCiesofDonacia Fabricius）・

Thepresent subf瓦milyis dividedin tvvo Tribes as払1lows：

Key to紬e Tr地es

A．Antennae taperlng tOWards the apex；tarSislenderand cylindrical，Sparingly pube〇Centbeneath，with the3rdsegmententireandtheclaw−3egmentuSual1ylongelthantheprecedingstogether；pubeocence of the underside oF body much modified，Often varnish・like HaeIⅥOnijn蚤

A，・一Antennaenot tapeElng tOWardstheapex；tarSinormal，dilated and thickly tomentosebeneath，with the3rd segment bilobed and theclaw−3egment Shorre工thantheprecedingstogether；pubescenceof

1n the above Tribcs，HdelTWnlinihas no relation tothc fauna of For・mOSa at preSent．

Tribe Donacibdis dividedinto somegenera，butonly−one genusinthem⊥−Donacia FねⅠicius一−・・is r・epresentinourfaunisticregionbythe pr・eSenCeOftwospecies・

GerluS Dona￠冨a FABRICI甲

DorIaCiaF？bricius，Sys亡．Ent．，p．195（1775）・−Latreille，Hist・Nat・CrustnInsい，Ⅹ†，P・淵（180り・・

Stephens，Illu出．Briti§hEnt・，MandibL・ⅠⅤ，Pp・267・望68（18：Sl）・・・Curtis，BritisヽEnt・，Ⅹl，Nol・ま9もユ823・ 1840（1834）・・IJaCOrdaire・Monogr・Phytoph・IO46m小Soc・Roy・Sci・Li6ge，IrI）・P？・92・・9S（1845）・1−

Schilling，Uebers．Arb．岳chles．Ges．．Breslau，p．88（18i6）．−FaiImair・e，Gen：col・d，Europe，ⅠⅤ，P・206

（1856）．．・C．G．Thom占ori，SkandinaviensCol．．，VrII，p。105（1866）．一Chapuis，inLacoIdairIe，Hist・Nat・ Ins．‥Gen．Col．．，Ⅹ，P．5了（ユ874）．−Weise，Naturg．・Ins・Deutschlands，Vr，Pl・14（1882）・−Fowler，Col・ BritishTsIs”ⅠⅤ，p・267（189o）小一Leng，Trans・AmericanEnt”Soc・，ⅩⅤ叩，p・159（1891）・・Seidlit去，

FaunaBaltica，ed．乳p．728（1891．）；払uilaT王anSSylvanica，p；819（1891）．・Jacobson：HoraeSoc・Ent・

R占ssic左e，ⅩⅩVr，P・415（189月）・・Bedel，F？uneCol・BユS3inSeinc，Ⅴ，p・109（1889・・19Ol）・1−IEverrs，Col・

Neer・1andica，ⅠⅠ，ppサ f；91＆398”399（1903）．・JacobyetClavareau，iriWytsman，Gen・Insい，ⅩⅩⅠ，Col■ Phytoph：Do7もαCidae，p．3（1904）・・Jacoby，FaunaBIit・Tndia，incl．CeylonandBurma，Col・ⅠⅠ：ChIySOm・

1，p・10（190声）・TPorta，Riv・Col・Italiana，ⅠⅩ，p・・150（ユ911）l・・Reitter，FaunaGermanica，lV，pp”7年＆

7ら（19152）．−Kuhnt，Illustr．Be3t・Tab．Kaf．Deutschlands，Ppl・801＆810（’19ユ3）・，SQhaufuss，inCalwer・ Kaferbuch，ed．6，Ir，pp．8S9＆89ユ，1907・1916（1913）l・・Re恒er，WienerEnt”Zeiし・，kxxvIIT，pp・1・3 （BesいTab．c11・OPAischenCol・，LXXXVIII），ppl潤＆′26・・如（1920）・・Seheerpeltz6t、やinjく王er，呈ム

etc．，TierweltMitteleuropas，Ⅴ，ii，男，Pu X汀−220｛（一930）・−Joy，Pract・fIandb・BritishBeetlcs，r，pp・3由

＆390（ユ932）．・C旭j6，Trans．Nat．Hist．Soc・・Formo3a，ⅩⅩⅠⅤ，1籍5，pp”522＆523・524r（19朗）・一Chen， Sわensia，Ⅹ‡Ⅰ，1・6，pり7（19隻1）・ Arun戚na叫SVoe亡，qat・Syst・Col・・，lI，p・31（ユ776）・ Genotype：DolulCiaora8SipesFabricius，Syst・Enし，p・195（1775），ftomEurope〔−Fixed byJ・Curtisin Bri亡isb Ent．，Ⅹl，No．494，ユS2：‡・・1840（18髄）〕・

Range：PalaeaICtic，OrientalandNearc亡icRcgions；aSinglespecie3reSpeCtively f工Om Senegal，Madagascarク

AustTalia and Mexico．

Ger，ePa］chapaCtePS：Bodyelongateorelongate−Oblong；dorIsummetallicincoloration，

head，antennaC and scutellum finely pubescent，in血any cases pronotum and elytra

glabrous，butin somecases finely pubescent，and rar’elypronotumfinelypubescent as

we11as headbutelytraglabrous；underside andlegsvery thicklypubescent小Headwell

exposed，SOmeWhat declined，mOre Orless distinctly constr・icted behind the eyes；neCk−

reglOndistinct，With centralandlater・a170ngitudinalgroovesbetween the eyes；Clypeus obpentagonal，withfr・OntmarglnStraigIhtorgentlyemarg・inateanddorsummoreorless

convex・Mouth・Part・S：1abrumtranSVer・se・rOundedatthe ft・ontCOrnerS，g・entlyroundedor

straight or ratheremarginate and finely pubescent atthe front margln，mOre Orless

convexandsparselypubescentonthedors辻m；J㌻mandiblcsrobust，incurved，／boncaveAt

theinncrface，Sharplyansulatedandsplitat・theapex，Sharply and strongly unidentate

on thelower side；maXillae r・ather shoIt and robust；maXillary palpiwithlst segment

verymuch smallerthan anyoneofthethreefo1lowings，2ndand3rd nearly cylindrical

or obconicaland4thovalor ek）ngate−COnical；1igula subquadrate，flatorrather convex・

Withfront marglnrOunded orstraightorgentlyemarginate；1abialpalpiwithlst scgment

0r Str・Ongly roundedoneach sideandemar’ginate atLthefr？ntmargin：Eyes rather−1q・rge，

rounded，COnVeXandfinelyfacetted．Antenr3ae Sユender，filiform，With1stseg甲e叫9trOtngly

thickened and 寧Om￠What c里VCd，2nd tf｝ 4th rather slenderan一Ivariableinlcng叫，

generally the4thlonger thanany one ofthe two precedingS but sometimes ofsimi1ar

length，5th tollth subequalto one anotherI？r gradually dimir）ishing theirlength

terminallyandllthpointedattheapex．Prもnotumqd；dr・arteornearlyso，mOre（）rless longer th左n、hrIOad orthe reverse，imぬarginAted坤e盆chside，With anterior portio71

swollenoItdherculateat or鱒rthe anglesinmanycases，but notso fnsomec争軍eS・

S9叫ellumobtriangular．ornearly so．．ElytrIaelongate−triangularorI・tOngue・Shqp雪d or oblpng，

mu・Cと1br・Oad■er紙base thanp‡onO甑m，mundedor亡mnCatモdo＝atherema‡glnated乳ttb・e

ap由；dorsum convcx，With血dian畠reagenerally widely鮎t，iri、many′CaSeS regularly

p血Ctat占−Striatc，butr益rely c16sely and confusedly punctulate or pube！C′ent・IPunCtulate，

intersticesofth？punCtate−Stri？emOreOrlesstransvelSelywri成1edor stIigosein誓any

qases，but not soin some cases．Abdom6n Withlst segment、nearly equalin：1engtIl／tO，

Or muChlorlger than，thc 錠山r succeedings together・Pygidium exf）OSCd bcyond、血the

apexofノelytr鋏OrhiddenunderthelatterィⅠノegSlong and slender；fbmorIa someWhat

thickened，hindqfbinor・a mu6hlongeraPd thickerthan theforeandmiddleonesand

often？rmedwith or］e，Or mOr9denticles on eachlower・side heyond themiddle；tihia

slender，f柁quently curvedor binuate，for￠・−・andmiddlel・七ihiae armedwith乳SPur atthe

apex o・f eachleweT Side，hindq・tibiae unarmed the spur’，butinmanycasesmoreotless

denticulatcd；tarSirlarrOW，rathcr short，Withlst and2nd segments trigonate br nbarly

so，3rd deeplybilob￠dandclaw−・SegmentClub1−Shap6dandsomewhatcurved；Cla示slong，

Simple and curved．

♂：Body narrトOWer，antenT）aC andlegslonger，1ast abdomin乳1＄temite withhind maTgin

roundedandPygidiumwithhind margm gcntly roundedor・Strai紳tlytrdncated

♀：Ⅰ・aSt abdominalstemitβWithhipdmragin sharply angulateすor denticulat？d or

spino戸eandp沖diumwithhindmaTginsharplyorrIafherobtuselyangulated・

Thi＄genuSisdividedinto four subgener・a aS follows‥

Key紬t如e Sゆ望enera

a・Do工SumOfbodyentirelyfine！y pube苧Cent aSWellaGtheunderside；elytraverynar工OWly elongate，

finelyand confusedlypuncctilateandintezspacesofthosepuncturcsmicroscopicallyfinelysculptu工ed

ヱ）0花α￠≠8gね Reitte工

a，．−Dorsum｝Of body not entiIely pilbescent，∫elytraiegularly punctate−Striate b．．Head and p工OnOtum finely pube〇Clent，eiytIa glabrous

b，．Head finely pubescent，PrOnO亡tlmand elytIa glabrous

助0ゐ托￠￠グαReitte工

c・Pronoちum ne恥1y o享、COrr）pletelyimpunctured，SmOOth・microscopical1y f’inely sculptured orvery finelytransverselyw王inkled；舎：1stabdominalsternitewithrap去irofsmalltubercleon the middle

q卯㊥胱e工・Goeeke

c，．Pronotum distinctly punctu工ed，Wrinkled，nOt SmOOth；＄‥1st abdomまnalsternite without such・a

．かoMC≠αβ．政一．

tuberC・1e asin above

Subgenus Cyphogaster′GoEC王（E

Cyph喝a＄！er（a：ia neW＄ubgenus ofDonaciαFabricius）Goecke，Kol・Rundschau，ⅩⅩ，6，pp．琵15・幻7

（1934）；Archo f”Hydrobiol・，Suppl・・Bd・Ⅹrv（Tropische BinnengやWa3SeI・，Bd，Ⅵ），pp．286・291

（i935）；Ent”Bla：tい，ⅩⅩⅩIr，5，Pp．220・・色男ヨ（1936）．・Chen，Sinensia，ⅩTI，1・・6，p．8（1941〕．

＄ubgenoモype：Do）3aCi：aprovosli−i’Fairmaire，Ann・Soc・Ent・France，6，V，Bull．pp．LXIV−LXV（18＄う）， fromChina〔Designated by S．H．Chen，Sinensia，ⅩlI，1−6，p．8（ユ941）〕．

RarTge‡OrientalRegion；Manchurianand AuざtrO・Malayan Subregions．

Gene帽篭C旭goacteps：Body comparatively small（5．0一9・Omm．in1ength），叩indle・

Shaped，generallyyellow−browntoblackishbrownorblack，Witha＄1ightmetallicdlimm13r・

Pronotum subquadrate，nOt distinctly punctured，rather smooth，Very finely transversely

Wrhlkled oralutaceous，錘hro鱒，With a distinct centrallongitud玩algroove．Scutelhlm

Obtrigonate・Elytra rather broad，but very muchlonger than broad，flat，SmOOthorvery

finely wr・inkled，glabrous，StrOngly andI・egularly punctate・・StIiate；1elytralepiple11r＆nOt

dcfined．pubescenceofpropleuradistribu七edoverthewhoIcsurfacee草CePtn＆rrOWarCa這

atthe side and apex．Mesosternum transverse”Pygidium narrowedand roundcdat the

apex“Hind・−femora armed with a distinct denticle on alittle bcfore the ＆PCX Of each

lower side and also a denticulated keelbetween theformer denticle and apex，in some

CaSes the male aImed with another−distinQt denticle alittle heforethefor皿ergeneral

denticle．

♂：Abdomen armed with a pair’of transversely settled tubercle or carina on the

Ⅲiddle oflst鈍eIni始

TheIe aretWO SPeCies helonglngtO the present suhgenusin Formosa andtheyare

disting−uisbed as f01lows：

Key to the Spe￠ies

l小針dantennalsegmentli・−ユitimesaslongasthe2ndone，SuPra・・antennalareaestr。nglydeve・

loped；合：hind−femoraa叩edwithonlyageneraldenticleoneachlowersidebeforethea匹ⅩWuCh

isusua11y followed by one to three minute teethor ser工ula亡ions・・・・・I・l・”‥・・”・・・∴provosliiFairmaire

l，．3rdantennalsegmentonlyslightlylonger than，OIabou亡aSlongas，the餌d one，Supra−antennal

areaenotstronglydevel瞭ed；舎：1血d・femoraarmedwithanotherdistふctdenticlea批tlebefore

thegeneIa7preapical、one払ndmoreoverwithsomefineserTulation＄betweenthem・・・：ZbwiSch6nfeldt

l．Dona￠富a（Cypね￠pa＄ter）ppovo＄蛸 FAIRMA王RE

DonaciaProvo8tiiFairmaire，Ann．Soc．Ent．France，（6），Ⅴ，Bull・P．LXIV・LXV（ユ885）（China：Peking）． DonaciaProvostiJacobsohn，HoraeS6c．Ent・Rossicae，ⅩⅩⅤⅠ，p・420（1S92）（China＝Peking＆Yang一 tse−・kiang）．・・JacQbyet Clavareau，in＼Vyt＄man，Gen・Ins・，ⅩⅩⅠ，Col・Phytoph．＝Donaeitb，P．7（1904） （Peking）．−Clavareau，inJunket Schenkling，CoIo Cat．，u，Chrysom・1・4，p・24（1913）（Peking）．小

Winkler，Cat．Col．Reg・・Palaearcticae，Ir，10，P”12B7（1929〕（N・China）・

Donaciap7OUO？liChqi6，Transl・Nat・fIis亡・Soc・Formosa，ⅩⅩIV，ユ3さ，pp・52さ＆528・r529（1934）（Japan

proper…NagasakiIHiogoITowadaIWakayama〉 Mt・Kirisima・yama＆Mt・・Hanaoka−yama；Formo

Lake Zitugetu・tan；China：Hangchowin Chekiang）・→Ho，in Wu，Cat・Ins・Sinesium，m，p・778

（19即）（China＝Peiping）．・Chtijb Trans”Nah His仁・Soc．Formosa，ⅩⅩⅩ，204，p・350（194q）（Korea： Nan，y6riinSui壷en−Gun，Keiki一工場）；Trans・Shikok：1Ent・So9・，ⅠⅠ，f；，p・31（1951）（J叩ah＝Matsuyama

Donacia（CTyE）hqgaste）・）P）OWStiGoecke，Kol・Rundschau，ⅩⅩ，6，pp．：望17‘＆318−22l，ざpho：03”（19f；ま） （E・Siberia：Nikolaiewsk；JapanpIOPer：Tokio，Kiot？＆Hiogo；Korea‥S6ul＆Butshitshan；ManchuIia享 China＝Peking，JentschoufuinSchantung＆Ts云hin−kiangalongJang−t2；e・Ikiang，Kwei−Tschou；Indo−China Hanoi＆L去n立−Son；Fo＝mOsa）；Arch・f・Hydrobiol・・Suppl・二Bd・ⅩlV（Tropische BinnengeやSer・ Bd・ⅤⅠ），P”印面5）（Nicolaiewsk，Tokio，Kioto？Hiogo・S妬Butshitshan・Jentschoufu・Tschin−Kian dlongJang・tZel−Kian虚・Kwei・・Tschou，Hanoi，Lang・Son＆Formo3ユ）；Ent．Bla：1t．，ⅩⅩⅩⅠⅠ，5；pp．221＆ 2芳8（1936）；1・・C仙，ⅩⅩⅩVT，2，p・（1940）（FoImO3a）． Donacia（（軸血鮮血）provosliChen，Sinensia，ⅩII，1・16，pp．1詫＆1か15（1941）〔China）． Do｝Wia bri液戒巌∵Weise，Arch・i’・NaturI女・，LXrV，i，2，p．・177（1S9日）（Amur：Nicola3efsk）．・Jacoby etClavar甲u，inWytpman，Gen・Ins・，ⅩXI，Col・・Phytoph・‥Donacidde，p・7（190ま）（Amour）・−CIavarea早I

inJunketScl−enkling，Col．Cat・，LI，Chrysom．1−4，p・18（ユ913）（Amur）・−Winkle工Cat．Col．Reg．

Palaea工∝icチe，ⅠⅠ，ユ0，p・・ユ227（’享929）（AmuI）． Donaoianilidicollis Welse，Arch・f．Natu工g．，LXTV，i，2，PP．177−I178（Ⅰ898）（China：Ch；nkiang）．．− Jacc・byetClavat・eau，inWyt8man，Gen・Ins・，ⅩⅩⅠ，Col・Phytoph．：Donacidae，p．．7（1904）（China：Chang ・Yang）・・・Clav？reau，inJunke己Schenkling，C（〉l・Cat・，LI，Chrysom．1・4，p．23（1913）（China：Chang1− Yang）叶・Winkler，Cat・Col・Reg・Palaearcticae，IT，10，pU1227（ユ929）（China）．・fIo，inWu，Cat．Ins． Sinensium，IrI，P小777（1937）（Chiムa：Changyang）ル

BodynarIqWly elongate，Slightly rounded on each＄ide，narrOWed at boththe anterior

一ウ Fig・9．・〟舶用茄（q炒 タブ・0糊J定一壱■Fai工maiIe，♀・ Fig・8・・加′雄払（q膵ち伊如㌢）ダ1淵助成 Fairmaire，■舎・ andposteriorcnds，ratherflatonthe dor凱1m；headalldundersideofhody，tOgetherwith

legs，Verythickly cover・edwithfinesilverywhite pubescence一・Head bronzyblack，With ■aslidltCuPreOuSShimmer，pOSt・−OCParareawithtwotrIanSVer9elysettledyellowishわrown

of m？n4ibles piceous tob享ack・）and undcrside of head yt31lowish hr・0wn Or reddish

hrown，theselight colorations having a strongtendency todevelope andin＄Ome CaSeS（

theYareOCCuPylngノnearlywholesurfaceofheadwiththeexceptlO110finter−andpost・qOCular

areae；dnten鱒e yellowish brown or reddish broⅥ1in general，and sometitnes they aIe

entirely so，hutin many cases with doTSalsurface oflst

Segment anddorso1−apicalparts

OfthefollowlngSCuPreOuSbro一

nzyorblackishhl・oWntO hlack，

an（l these daIk coIorations

having a strong tendency to

develope and in some cases

they are QCCuPylng nearly

tbe wllOle surface or th8

Wbole（−f the doISalsllrf8C？，

with the exception of each

basal extr’emity， yenOWisb

brown。PronotumIっ1ackor dark

hr’OWn，With a dcep golden

gr．een Or CupreCuS gI■eetlOr

CuPrIeOuS Or Violaceo−CuPrCOuS

Sheen．ScutellBm hmnzy or

greepishbronzy．勒tmye1lowisb

brown，With a slight cupreous

shimmer andsuturIalandlater＆l

arcaemoreorless tingedwith

metallic針een，SOmetimecntir−

Fig・10ヱわ柁αCまα（（触ろ尊朗抽つp7り0糊gき■Fai‡maiIe； Aedeagus ANAedeagus（hteralaspect）：ml・−mdianlobe，mOqmedian Oliiice，mf−median foramen，dp・・distalpiece，rp・rlng piece，dp▲basalpiece． T−Tegmen（dorsalaspect，with basalpie9eIemOVed）； dp−distalpiece，rP・・Ilngpiece・ MpApicalpart of medianlobe（ventralaspect）．

ely metallic green with a cupreous shimmer・Underside yellowish brOWn tO dar・k br・OWn

Orblackish and generallythe median arld posterior areaelighter；1egs yellowish brown，

dorsalsurfaces of femora morc orless stained with bronz．y or cupreousl）IOnZy，and

dorsalsurfaces of tibiae andtarsimoIe OrlesstirlgedWith blackishbrown・

Head wellexposed，finely and thickly punctured；interocular spaccwithastong Centrallougitudinalgroove，aPairof well−markedlateralgroove and some veIylarge

setigeIOuS PunCtureS On eaCh side；SuPra−antennalaTeaC distincily raised；front maIgin

Of clypeus gently emarginate；1abrum tr’ansverse，rOundcd at thc front corners，donvex

and fumishedwitha transverse row of setlgerOuS PunCturcSOnthe dorsum；genae Very

thickly pubescent，thepubescence differentin characterto those on thedorsum of head

hutcompletely same to those on the tlndeISideofbody；POSトgenaland gular aIeae

glahrousandsmooth Antennaefiliform，longerthanhalfthelength ofbodyinbothsexes，

finely pubescent；1st segment str・Onglythickened，CylindIicd and slightly curved，2nd

】

shortest，3rd aboutl⊥−Ilニtimesaslongasthe2nd，4thlongest，5thlonger・than6th， コ

thelatterandthefollowlngSnearlyequalinlengthtoeachotherinsomecases，hutinother

infh）nt，rath占rbroaderthanlon悠，frontandbよsalmarginsdistinctlyorratherindistinttly

borderedよnd′gently sinuate，anthe cor・nerSSbmewhattuheICulateand fumishedwith a

Setlg叩OtlS PunCture On CaCh，1ateralmarglnS nOt bordered・；dorsum gently tr・ansverselY

Cbnvek；品tnearlyflatonthemiddle，finelytransver由1ywrinkledandpunctulate，thewri−

nklesso嵐ewhatvolticatedoneachsidebe払rethemiddle，distinctlygrOOVedonthemiddle

fromalitflebehindthefrontmargintonearthehasalmarg1nandtheg・0｛）Vedeepened

乱tthepoit飢ibrhalfthantheハanterior・halfい Scutellumobtriang由r，finely punctulate

andpubescent∴Elytra stron納r elongate，muChbIOaderatbasethanpronotum，gently

narrowed pds食eriorly with a−slight curvature，t‡unCated at the apex，thickly pubescent

On由chb瓦、5alcomer（neaTLlyinvisibleinthedorsalview）；dorsum rather flat，Slightly

depr・eさSed・hehindthe sc一鵡11um，rIegular・1y deeply punctatein elevenlongitudinalrow＄

（including a、畠hort scutellalandan external marginalrow）on each elytron，interstices

Ofthose rotvs very fi（1ely but notlthickly punctulate and transvcISely wrinkled on each

Side；hume吏i＼raised and free from the distinct punctures．Underside very thickly

Clothed∴扉ithlSjlvery white pubcsccnce and spaISelymiⅩedwithmuchlongerPubcscence

Of the same colbur；1st ahdhminalsternite、distinctlylongerthan the 払ur follow！ng＄

togtther；Pygidium well飢pOSed beyond＞the ape＝Ofelytra；hind−・fernora armedwith

a distihdt dbnticle alittlc before the apex ofeachlower＄ide andinT11any CaSeS Orle

OrmO［efi’ne；dehticles bpyondtheformer gcneraldcnticle，andhind−tibiae gentlybut

distinctly sintiate．

♂：Comparedwiththefemalehodynarrowerandflatter，andlateralcurvatureofelytra

feebユer；antennae Veryml−Chlon汚erthan halfthelength ofbody；1st abdominalsternite

armedwith apalrOftr・anSVerSely＄ettledelongatetLlbercle（1nthemiddle，hindrnargln

oflastabdominalsternite widely hutshortlyproducedand depressedonthesurface；

hindmarglnOfpygidiumwidぞ1ytruncated；hind・femorareachingtotheapexwhentumed

them ba（：k

♀：An†ennaealittlelongerthanhalfthelengthofbody；1stahdominalstemite without

SuChatubercleasinthemaIe；hind鱒rglnOflast abdomindlsternitegentlyroundcd

andratherangulatedatitsmjddle；最ndmargin ofpygidium producedangularly；hind・

femoranotrcachingtOthe apexof elylraWhen turnedthem hack

Lenがh…合5小q−7・・5mm・，・♀6・・0−9・Omm・

F00dqpIant：01・yJaSa偽a Linn．（Japanese name；hw）and Brasenia及h21ebe）・iGmel・（Jap・name：JuTa’

β心）． Loe．D‡str．−Lake Zitugetu−tan，TaityB・Sy怠（1杏、2．X．1929，R．Takahasllileて・）；Taihoku−Si， Taihoku−Sya（1舎，23。Ⅴ．．19：；9，K．End61egい）． Lake Ziとuge犯一ねn（af七er入4一Ch卑j6，．1934）・ Gen．Disb・．−E．Siberia，Manc−ュuria、China，Tndo・Chi：1a，Korea，Japan（HQユSさ1蔑，Shikoku＆Kyむya） and FoImO3a．

むOna￠冨a（Cy紳○卵S息針）寝鼎扇 SoH6NFELDT

D。，WiaL。nZiSch8nfeld亡，Ent．Nacl−r．，ⅩtV，3，Pp．．＝；3・：！4（1＄S8）（Japan：Hiogo）；Ca仁．t（一1．Tapan，

7Nachtr．（Jahb・Nass…Ver・・NatりⅩLI），P・49（188S）（Japan：Hiogo）．・Jacobsohn，HoraeSoc・・Ent・ Rossicae，ⅩⅩⅤⅠ，p．419（1892）（Japan：Hiogo）；ユ．c巾，ⅩⅩⅤIf†，p・2紹（1894）（Japan）・−Tacoby et clavareau，in Wytsman，Gen．Tns・．XXて，Col．Phytoph・：DoTWidae，p・7，pl・i，f．1（1904）（Japan：

Hiogo）．・Clavareau，inJuqketSchqnkling，Col…Cat・，u，Chrysom・l・4，p・52月（ユ913）りapan：Hiogo）・−

1準inkler，Cat．Col．Reg．PalaearCticae，Ⅰ‡，10，p巾i21打（1929）（Jal）an）・ DonαCialend L，wis，Entomolog。，XXV‡，360，・pl1開（1893）（Japan＝Kob6，Kioto＆Osaka）”・Dc＞i， D8butugakuZassi，ⅩⅩⅩⅠⅩ，466，PP・3芳4＆3fi5（1鍋7）（Korea）・−C叫6，Trans“Nat‖Hist・Soc・Forrnosa・

ⅩⅩTV，135，pp”525＆5野・528（1934）▲（Japan：Iked虫＆Hanaokayama）・→Ho・inWu，Ca主・王ns・Sinensium，

1II，p．777（1937）忙hina：Soocbow）・−・Ch坤，T王an3いShikokuEnt・Soc・，ⅠⅠ，3，P・31（1951）（Japan：

Muya・−Ch6，inTokusbima・ken，Shikらku）・

伽ふα〔勒錘卿如うん壷Goecke，Kol・・Rtlnds琉au，ⅩⅩ，6，pp・幻8＆225・胡7，5pho伽・（19舶）

（Jaba。：Tokio＆Hiogo；Korea：、S611；N・−E・China‥Chin・kianq alongJa疲毒e・kiang）；Archl・fl

Hy血・ObioしSuppl．−Bd岬ⅩfV（TI0がsche Binnengew互−SeI，Bd・ⅤⅠ），pP・鯛0＆291（ユ9舎各）（Tokio，

Hiogo，Sる11＆Tschin・Kiang alonglang−tZe−kiang）；Ent・B如t・，ⅩⅩⅩII，5，pp・男宏望＆228（19fS6）

（NorthernpaTtfrom250inE・Asia）；1仙Q・，ⅩⅩⅩⅤⅠ，2，p・（1940）（Philippines）・

DoIWia（qyphqgaRter）Len弓iChen，Sinensia，Ⅹtr，ト6，pp・】3＆：ほ・16（1941）（China）・

Donacihcwarit8（necBaly，1865）Baly〉Trans・Ent．Soc・London，p・69（1873）（Japan：Nag左saki＆

Hiogo）．−Lewis，Cat．Col・・J叩aneSe ATC埴elago、P．27（18791（丁−pan）…−J：aC）t，YこPrOC・Zool・Soc・

もondo叫p．．75琶り885）（Japa−け・−Kolbe，如Ch・f÷ルNatuIg・，LTt，p．226（i鋸汚）（KoI・ea‥ S61ユi）・・ Sch6rlfeld†，Cat．Col．．TaDan，P．142（18S7）（’Japan‥Nag軌ki＆注iogo）・−Lewis，Entomoiog、，ⅩⅩVI， 鞘0，p・153（1893）（†0ヱ）0花αei■αゐ那言Sch6nfせnldt）． Donaoia mepkeniWei亡一e，Arch・f．Naturg”，LXtV，i，2，pP・・178・179（189S）（China：Chinkiang）・−Jacoby ctc1年Vareau，inWytsman，Genl・Ins・，ⅩⅩT，Col・Phytoph”：Donaeidae，p・7（1904）（China：Chang・IYang）・ 一Clavareau，inJunket Scヽenklinq，Col．Cit．，LT，CllrySOm・1・・4，P・28（1913）（China：ChaTlg・Yang； Philippines：Luzon）．−Schultze，PhilippineJoIZrnl・Sqi・D，Xt，r）・83（1916）（Philippines：Luzon＆Tarlac）・ ∴廿■inkler，Cat．Col・・R甲・Pala占arcticae，lT，10，P・1227（1929）（China）・−Ho，inWu，Cat”‡ns・Sinensium， J汀，p．778（1937）（China：Changya昭）・ 刀0棚つぬ．卸側別個Ch鋸6，TIans・Naヒ．Hist・・SocひFoTmOSa，ⅩⅩTV，1箔，Pp・524＆5鯛・5飢 り934） （FoImOSa：LakeZgetひ榊）・・・Goecke，Ent・B臨t・，ⅩⅩⅩVT，2，p・（刀㈹郁払・β′−椚09α）（1940）（蝕↓mOSa）

Bodynarrowly6longate，narTOWed atboth anteriorandposteriorends）ratherflat on

the dor・sum；he五d and underside ofbody，tOgetherwithlegs，Very thiぐkly cover・edwich

fineβilverywhitepubescence小Headbronzyhlack；POSt1−・OCulararIeawithtwotransversely

settledreddishhrownmarkingswhichar℃frIequentlyhsed≦natransverseband，inter・OCular

spacewithametal1icviolaceousshimmeroneachsideofthecentrallongitudinalgr00Ve

inmanycases；mOuth−PartS dark yellow娩hr・own，1abrum tingedwitb bror）ZyOn the

basp，labium（ex坤tedthepalpi）andmargina†and apiぐalareaeof mandibles piceous

tobleck，POSトgenae and卯1a pICeOuStOblackorIbronzyhlack；antermaeinonecase

yellowishbrownand巴Cnerallytheapicalareaofeach oneofsomehasalsegments more

orlessinfuscated，hutin another casethelstsegment nearly enti；elybronzy＆ndall

oftheremainingps moreorless tinged with bronzyorhlackish brown on each叩ical

乳reaいPronotumandelvtra metallic greenish−Orhluish・−OrPurPlish−aeneOuS・・Scutellum

bronzy or greenishbronzy・Uuderside上rOwnishtohlackish aTldalmostusuallythe thorax

yellowishbIOWn，dorsal aI二eae Of f61hora

（exceptedtheirbases）tingedwithbronzy、Or

Violaceous bronzy and apices．of tibiae and

tarsi more or lessinfuscated：

f‡eadw占11exposed，Vetyfinelysilverywhite Puhescent，thicklypunctured，Sparselyfovcolate− PunPtatealongtheinnermarglnOfeacheyeand

thosepuncturesincludingalong setaineach

Centre；interotularspacewithadistinctcentra1

longitudinal groove and a psir of well-marked lateralgIり0Ve；Sup工か・antennalaleae叩tVery

distinetlyraisedandcle姦rly separated t）eaCh

Otherbythe centrallongitudinalgI00Ve；front

ma曙inofclypeusgentlyeh−arginate；1abnlm

transverseJrOunded at both anterior corners，

COnVeXand clothedwithlonger pubescence

On the dorsum・Antennae filifbrm）mOreOr

lesslongerthan half thelength of body，

finely pubescent；1st seglT］ent StrOngly

thickened，CylindIicaland slightly curセed，

Fig・11・刀0朋￠￡α（q伊ろqグα幽う如2言

Sch6n托1dt，合．

2nd shoIteSt，3rd very slightユylonger than the

2nd，4thratherlongerchanl÷timesofthe3rd，

5thlongest and about twice aslong as the3rd，

thesixfollowingssubequalir）1engthtooneanother，

each oneof them slightlylonger than，Or nearlv ノ

equi−・1engthto，the4th，andllthbluntlypointed

atthe apex・Pronotum neaIly quadrate，SOmeWhat

widenedinfront，Slightly bIOad￠r thanlong；fron七

and basalmarglnS VeIy gently sinuate，allthe

coIner・S SOmeWhat tubercula・ted and fuI瓜ished with

a・long seta on each tip，1ateIalmarglnS nOt

bordered；doISum tranSVerSely’COnVCX，but neaIly

flat on themiddle，iinely transversely wrinkled

and punctulate，the wIinklc去 much thickly and

COnfusedly settledon eachsideand the punc七ur’eS

On these aIeae nOt SO dis■tinct，distinctly gIOOVed

on the middle from a little hehind the front

margin to near thebasalmargln and the groov

StrOnger at the poster’iorPOrtion than at the

anter’ior portion“Scutellum obtriangular，董inFly

elongate，muChhroaderatbase

thanpropotum，g・eTltlynarrowed

POSteriorly witha slight curv姦−

ture，finely silvery pubescent

On eaCh anter’ior corner（nearly

invi岳iblefldm’

body），七rdnぐaねd乱ttbeapexand ▲

冒tもet血Cationstr軸hoIVeT・ア

Sliglltlyr’ounded；dorsum rather

flat，With suturalarea narr．ow王y

r’aised，StrOn岳lすregulよdyp11n−

Ctateine］evenlongitudinalrows

（inchding軋Sbortさcutellar8nd an exterpalm乱Tgind oれe）on

F卓g・13・Do7Wia（OyphogasfeI・）leIidSch6nfeld［；Aedcagus （The explanation of markings：See Fig・1O）．

eachelytron・intersticesofthoserowsveryfinely punctulatら andtranSV9rSely wrinkled

OneaChside or near1y whole suTface；lmmer’iraisedand fr・eeftomthedistinctpunctures．

Undersideverythickly covcredwithsilver・y white p11bescenceandspar＄ely miⅩCd with

muchlongerrpubes占ence6fthe sameiolour；lst abdominalstbrnite distinctlylong・er

than thefour fol】ow】ngS COmbined；Pygidium notor hardlァexposed belyondtheapc Ofelytrain−he male，butlⅣellexposedinthe‡emde；hindイemora armedwi†h along

denticleon alit−1ebeforethe叩eXOfeaehlower side andalsoa few minutedenticles

between the fbrmerlon竿denticle and apex．

♂：Body rather narTOWer tban ofthe female；antennae muChlongerIthan half the

length ofbody；1st abdominalsterIni亡C armed withapairoftr・ansVerSely settled elongate

tubef・cle befbre the middle；1ast abdominalsternite r・ectangularly depressedalongthe

hind margln Whichis widely straightlv tr・uncated；Pygidium not oT・hardly exposed beyondtheapex ofelvtra，Withhind margln Widely str・aightlytruncated；hindl−femora

reached tothe apexofelytra whenttlrnedthem back and arImed with another distinct

denticle whichis sit・17ated at a certain distancc below the middle and slightly more

irlternalthan the generalpre−IaPicalone

♀：Antennae alittlelonger than halfthelength ofbodv；1st abdom行は1stemite

without sueh a tubercle asinthemale；1ast abdominalsternite subtriangl，1arwithlateral

maT・？1nSgentlyrIOundedandnotdepr・eSぎedonthe apicalareaasinthemale；Pygidium

distinctlyexposcdheyond thcapexofelytra，narrOWly roundedandblllntly angulated at

the apex；hind−fbmora not r・c寧Chingtothe・aPCXLOfelytra whenturned them backand

unarmcdbefbre tb？genCralpTe−apicaldenficle・

Lenがh：合6い0−7一・U mm．．，♀6・0・−8・O mm・ Fooc；−PJartt：Limnathe，numi’ndibum（Linn．）Grie3b・（Japane一ename：aqgaち血）；Brose7乙ir‘Schクe‡eJiGmel・ （Jap．namc：Jbn㌔托i）and勒mpちαe旬Spl・（Jap・name：助ire7｝nOト3yu）・ Loc．Di＄れ−・Taihoku−Si，Taihoku−SyG（】舎＆1♀，15．ⅠⅩ．ユ936，M・Cha361eg′）・ LakeZituge仁u■・tan（af把M・C旭i∂，193隻）・ Ge【て．Distr．−JapaLl（Honsyti，Shikoku＆KyB3ya），Kor・ea，FoImOsa，PhilippinesandN・：El・Chiqa・

摘 要 基湾産金花轟科（尾嵐網−・鞠菱塑目）の形態分所学的研究 ⅠⅠ 根喰金花轟詣科

中 催 道 夫

（昆曲学研究簑） 基湾産金花嵐科￠形態分署学的研究の第ⅠⅠ我として、根喰金花轟認科に屈する研究結具を報・督した。 根喰金花亜亜科の∫ものは、金花轟科の申では∴甚だ特化した丁群であって、幼品は水生植物の水面下に． ある鱒ヤ温む喰し、威惑は一般に・水生植物の水面上に．露出して居る部分（多くは葉上）に．生活する （嵐鱒御感云属の成轟のみ軋水軍直下に参る植物棒に・その細長い放と鱒い几とでつかまって屠る寄が拶 り■）J鱒クて成轟は其の体下面が水に触れたわ、或は風や流水濫掘ちれて水面上隼・落■lてしたわする場合が 多いが、体下面に・鱒ビロー・ト様に鹿毛が密生して居るので決して水中灯沈む寄は無く、文全体が舟形で あわ且脱が細長く発達しで屠るので克く潅ぐ薔が出奔る。幼鹿は前記の如き生態であるから岩干の水生 有用格吻の省鹿であるものがある。例へば∂猫ふαβ♂′・〝ゐ1ね1y，∂♂ガα‘才α∠β〝gグSc叫nfeldt，∂♂〝グ‘・才♂ か・ゐふ扁料摘・maire，か0ゐβ‘グαJ才研少Zβ∬FabI・icius等は何れもイネの軍盛として知られて屈・わ（佃し之 等の程の威鹿は、時に・はイネの真数喰する事もあるが、多くの場合腰他の数寄1−Cα′・♂∬ヤルタ鯛タカαβα− の上匡肇偏する）d 其の他観賞用の水草（水蓮の親等）に加害するものもある。 此の証科は現在迄の処では旧北区に最も塞栄↓、潜干のものが東洋区及び新北区に、叉檀ぐ僅少のも のがセネガール・マダガスカル・濠洲 ・メキシフ等に分布するが、全体としては小さな丁群で、基湾に

は激諷一滞をこ広く分布する針観DonacialcnBiSch6nfeldt及It＄Do2WCia2）royojtiiFairmaireが分布

するに過ぎない。 血の雷科は経木OrJ♂∂α‘〝グ〝グβ，∫≠g′空〝αg及びCタ・∠ク‘βγ・亥〝αβの8患科と共にg〟少♂〆♂√∫と貰う大群に一 括挙れてりたが、 軋就いては他日改めて詳述する予忽である）、の・5♂dα‘・〝∠〝αβと∫αg′∠ガα♂とに威いてみると、∂ヴ甲α‘露批相 好其のタメα∠βク‘沼β′∠∫属から∫♂邪∠〝βJ′α属を通じて一系統発生学的檻∫αg′・あαβ に儀も近い顛療酪係が求 められる撒である。 猶以上の詳細匿就いては、努Ⅰ報の末尾に記したと同様に、後日≒科も金紋に就いて−の解説を行ふ際 に改めて詳述しねいと考へて居る。叉此の銀色に．引用した文敵に就いても稀Ⅰ鞍の末尾に記した如くに 処置したいと思って＼屠る。