E/、・t,・a.Tok、・0.34(1):l99-205、May20、2006 StudiesontheGenusLipromorpha(Alticinae,Chrysomelidae, Coleoptera)inJapan,withDescriptionofaNewSpecies Yoshiaki KoMIYA Mukogaokal-6-4,Bunkyo-ku,Tokyo,113-0023Japan Abstract The alticine chrysomclid beetle known from Amami-0shima Is.. Tokunoshima Is and Okinawa-Honto Is. under the name of lf・・cine,p/1 fj c1/1s /oo- c/1ooana(CHuJo,1961)isagoodspeciesdistinct fromL diffic11is(CHEN,1934),andis raisedtoaspeciesrank,Lip1・o111op/1a/ooc1/ooana(CHOJo,1961). Inadditionasecond memberofthegenusisdescribedasanewspeciesLip1-o,nopitasakishimanaY.KoMIY^, nov fromMiyakojimaIs.,IshigakijimaIsandTaketomijimaIs.,southernJapan.Akey sp totheJapanesespeciesofthegenusLip1・o111o1phaisprovided. The sole representativeof thegenus Lipromopha CHUJoet KIMoTo, 1960 in JapanhasbeenL difficili.s・1ooc11ooanaCHuJo, l961, fromtheRyukyuArchipelago.It wasfirstdescribedfromAmami-0shimaIsasasubspeciesofL dがi cillsCHEN,1934, then synonymized with it by KIMoTo (1965). By comparing specimens from the RyukyupopulationcarefullywiththoseofTaiwan,theauthorcametotheconclusion thattheformer isclearlyseparable fromthelatterandshouldberegardedasagood species.Inaddition,asecondmemberofthegenuswasfoundinthesouthernRyukyu Archipelago,andisdescribedasanewspeciesinthepresentpaper. Lipromorplla1oochooa'IaCHUJo,1961,stat nov. (Figs.1&2) Llp1-on1o1p1/ad111lc111s/ooc/1ooa,IaCl.luJo, l961,Ent.Lab.,Univ. 0sakaProf.,Publ.,(6):89(Asani.Ikari andKominatoinAmami-0shimaIs). Ljp1・o111o1p/1adlffjd/ls: KIMoTo. 1965,J.Fac.Agric.KyushuUniv.,13:419(Amami-oshima Is),syn- onymized _ KIMoTo &GRLss1TT, l966, Paci「. Ins.,8:542(Santaro-togeandNazeinAmami- Oshima Is.,MikyoinTokunoshimaIs.,YonainOkinawa-HontoIs). - KIMOTo & TAKIZAWA, 1994,LeafBeetles(Chrysomclidae)o「Japan,p321(RyukyuIs.,S.China,Taiwan,Vietnam). AspointedoutbyCHUJo(1961)inhisoriginaldescription,theJapanesepopula- tionisclearlydistinguishable fromtheTaiwanese.Themainpointsofdiscrimination areas follows: 1. Bodycolorationispitchybrownwithantennae,tibiaeandtarsimuchpaler.In contrast,theTaiwanesepopulationislightyellowishbrownwithhead,pronotumand basalportionofelytradarker. 200 Yoshiaki KoMIYA 1 、、 ll / , ' 、、 / ・ . - I a b Fig. 1. HabitusofLip,・o1nop/1a1ooc/1ooa1taC1.luJo,1961;a:male,b:female 2. Fronsisevenlyconvexwithoutanydepressioninthemiddle. InTaiwanese specimens, fronshasashallowbutwidedepressionwithanothersmalloneinthemid_ dieofocciput. 3. Antennaisdistinctlyshorterthanthebodylength,butinL di、fficilisfromTai_ wan,antennaisalmostequaltothebodylength. 4. Pronotumhasadeepconstrictionbehindthemiddlewithoutanyadditional fu「「ow.Inthelatterspecies,thepronotumalsohasadeepconstrictionbehindthemjd_ die,butwithanadditionalshallowandnarrowsulcusbetweenthemiddleandtheante_ riormargin,whichismoredistinctinthelateralportionofthepronotum. 5. Elytraarecoveredwithregularrowsofpunctures,eachintersticeofpunctate_ Striae isa little raise smoothandshiningwitharowofyellowishhairs. IntheTaj_ WaneSePopulation,eachintersticeofpunctate-striaeisalmost atandfinely granu_ latedintheposteriorportionwitharowofyellowishhairs. 6. Malegenitaliaaredifferent between twopopulations (Fig 2). In L loo_ chooana, theaedeagus is uniformly archeddorsally in lateral view, with termjna1 P「oCeSSShortandevenlyroundedapically(Fig 2). InL dlfficilis, theaedeagusjsal_ mostStraightinlateralview,withterminalprocessnarrowandsharp,truncatedapj_ catty. NewLip・;o,nophafromJapan 201 Fig. 2. MalegenitaliaofLipromo,p1/a1ooc1/ooanaCl.lUJo l961;a:dorsalview,b:lateralview Bodylength:male,2.00± 0.14(n=31)mm, female,2.33± 0.15(n=38)mm. Bodybreadth:male,0.81±0.05(n=31)mm, female,0.95±0.07(n=38)mm. Specimensexamined. Okinawa-Honto Is., OkinawaProf.,Japan: 1 ,Nakijin- Joshi (89malt),Nakijin-son,11-IV-2005,Y.KoMIYAlgt;1e,Yona(18malt),Ku- nigami-son,12-IV-2005, Y. KoMIYAlgt;1 Yona,Kunigami-son,1~3-V-1976,H. , TAKIzAwA Igt; I Hedo, Kunigami-son, 5-IV-1979, H. TAKlzAwA lgt. Amami- , OshimaIs.,KagoshimaPref.,Japan;26 26 Kuninao(31malt),Yamato-son, , , 13-IV-2005, Y. KoMIYA lgt; Ie, 2 Sumiyogawa Power Station (31m alt), , Sumiyo-son, 14-IV-2005,Y.KoMIYAlgt; I ,19,SumiyogawaDamRoad (133m alt),Sumiyo-son,14-IV-2005,Y.KoMIYAlgt;1d,SumiyogawaDamRoa Sumiyo- son, 19-IV-2005, Y. KoMIYA lgt; 1(5, 2 Chinase (51m alt), Naze-shi, , 17-IV-2005,Y. KoMIYAIgt; 1 3 Mt. Yuidake,Setouchi-cho, 15-VII-1962, Y. , , KoMIYAlgt;4 , 7 ,Amami-0shimaIs.,25-IV~5-V-1967,H.TAKIzAwAlgt; 1 Nishinakama,Sumiyo-son,2~6-VI-1970,H.MAKIHARAlgt. , Distribution. Ryukyu Archipelago (Amami-0shima Is., Tokunoshima Is and Okinawa-HontoIs),KagoshimaandOkinawaProfs.,Japan. Adultfo(odplcmt. Ampe1opslshete,,ophy11aSIEBetZUcc. Lipromorphasakisltintanasp nov (Figs 3&4) Male. Bodyoblong,parallel-sided.Totallylightyellowishbrownwithabdomi- nalsternites,except forthelast,alittledarker. Fronsconvex,anteriorportionslightlydepressedandgranulate separatingverti- callysituatedfrontal tubercles,andfurnishedsparselywithlonghairs;occiputevenly convex,anteriorportionweaklywrinkledtransverselyandtheposterioralmostsmooth andshining. 202 YoshiakiKoMIYA / / - - ゛' .,' - , ,/ ' f t 3a 、 b Fig. 3. HabitusofLip,・cine,phasakishi,nanaY.KoMIYA,spnov;a:holotype,male,b:paratype,female. Antennaeslender,equal tothebodyinlength;firstsegmentrobust, longest,and club-shaped,secondandthirdsubequa1toeachother inlength,thirdslightlythinner, from fourthtotenthalittlelongerthantheprecedingtwo,almostequaltoeachother inlengthbutdistinctlythicker fromeighthonwar eleventhsecondlongest, itsapex pointed. Pronotumsubcylindrical,aslongaswide[pronota1ratio=breadth/length:male, 1.016±0.032 (n=122); female, 1.048±0.035 (n=73)], widest at anterior corner, whichisprotrudentlaterallywithsetigerousporeatitsantero-1atera1en stronglycon- strictedbehindmiddle [constrictionratio=maximalbreadth/minimalbreadth:male, 1.477± 0.055(n=122); female, 1.438± 0.083 (n=73)],constrictionbisinuatedwitha small foveain themedianportion;surfaceminutelyshagreened throughout, bearing smallpuncturessparsely inanteriorhalfbutmoredensely inbasal,and furnishedwith scatteredlonghairs. Scutellumtriangular withpointedapex;surfacesmoothwitha fewhairsalong posteriormargin. Elytraelongate,distinctlywider thanpronotumatbase,slightlywidenedposteri- orly;surface convex withbroadtransversedepressionbeforemiddle, coveredwith strong punctures arranged in regular longitudinal rows, each interstice of punctate- New ip,-o,1101・pitafromJapan 203 Fig.4. Malegenitaliaof_I.1p1'011101pitasakis1/l,lianaY.KoMIYA,spnov;a:dorsalview b:lateralview striaeshiningandfurnishedwitharowofyellowishhairs. Hind femur incrassate. Lastvisibleabdominalsternitetrilobed,withalongitudinalbroaddepressionin themiddle. Aedeagussubcylindrical,straightandparallel-sided,withterminalprocesstrian- gularwithitsapexnarrowlytruncated(Fig4). Female. Antennaedistinctlyshorter thanbodylength.Lastabdominalsternite entirewithbroadlytruncatedapex. Bodylength:male,1.98±0.ll (n=118)mm, female,2.33±0.17(n=73)mm. Bodybreadth:male,0.83±0.06(n=118)mm, female,0.98±0.07(n=73)mm. Holotype: , Miyakojima Is., Kadekari (35m alt), Miyakojima-shi (former Gusukube-cho,Miyako-gun),OkinawaProf.,Japan,4-IV-2005,Y.KoMIYAlgt. Paratypes:MiyakojimaIs.,Miyakojima-shi,OkinawaProf.,Japan:74(3(S,25 , thesame dataas theholotype; 14 10 , the same locality as the holotype, , 7-IV-2005,Y.KoMIYAlgt;4 6 Tomori (55malt),Gusukube-choMiyako- , , gun, 4-IV-2005, Y. KoMIYA lgt; 4 4 Tomori, Gusukube-choMiyako-gun, , , 7-IV-2005, Y. KoMIYAlgt; 3 Tomori,Gusukube-choMiyako-gun,17-VI-1975, , S. IMAsAKAlgt;19, 0nosanrin(39malt),Hirara-shi, 5-IV-2005,Y.KoMIYAlgt; 8 6 , Nishisatosoe (119malt), Gusukube-choMiyako-gun, 4-IV-2005, Y. , KoMIYAlgt. IshigakijimaIs., Ishigaki-shi,OkinawaPref.,Japan:4 3 Mt. Ban- , , nadake(209malt),3-IV-2005, Y. KoMIYAlgt;1e,SukujiBeach, Kabira, Ishigaki- shi,2-IV-2005,Y.KoMIYAlgt. TaketomijimaIs.,Taketomi-choYaeyama-gun,Oki- nawaPref.,Japan: Ie , 17 , Higashiyashiki (17malt), Taketomi-cho30-III- 2005,Y.KoMIYAlgt. Thetypeseries istentativelyhousedintheauthors' collection,butwillbede- positedinthemostappropriateinstitutiontogetherwiththewholecollectionoftheau- thor. Distribution. Southern Ryukyu Archipelago (Miyakojima Is., Ishigakijima Is. 204 Yoshiaki KoMl、'A andTaketomijimaIs),OkinawaPref.,Japan. Adult fc(odplant. Ampe1opslshete1,ophy11aSIEBetZUcc.Thebeetlesseemto preferhostvinescreepingonthegroundtothosehangingfromothertreesorbush. KeytotheJapaneseSpeciesoftheGenusLiprolllorp11a Pronotumdistinctlybroader thanlong(pronota1ratio:1.10-1.30)withaweakof distinctconstrictionbehindmiddle(constrictionratio:1.08-1.30). _ _ _ . - . . GenusPseudoliprusCHOJoetKIMOTo,1960 Pronotumnearlyasbroadaslong(pronota1ratio:0.99-1.03)withastrongcon- strictionbehindmiddle(constrictionratio:1.41-1.47)..__GenusLip1'omorpha CHUJ0etKIMOT0,1960 2 2. Uppersurfacetotallylightyellowishbrownwithoutanydarkenedarea.Pronotum veryminutelyshagreenedthroughout,bearingsmallpuncturessparselyinante- rior halfbut moredensely inbasal,and furnishedwithscattered longhairs (Ryukyu Archipelago, OkinawaProf.,Japan; Miyakojima Is., IshigakijimaIs. andTaketomijimaIs)___ _..Lip1-omo-phasakis11imanaY.KoMIYA,sp nov. - Uppersurfaceentirelypitchybrownorlightyellowishbrownwithhea pronotum andbasalportionofelytradistinctlydarker.Pronotumverystronglyshagreened throughout,bearinglargepuncturessparselyinanteriorhalfbutmoredenselyin basal,and furnishedwithscatteredlonghairs Bodycolorationpitchybrownwithantennae,tibiaeandtarsimuchpaler.Anten- naedistinctlyshorterthanthebodylength.Pronotumwithastrongconstriction behind themiddlewithout anyadditional furrow (Ryukyu Archipelago,Oki- nawaandKagoshimaProfs.,Japan;Amami-0shimaIs.,TokunoshimaIs and Okinawa-HontoIs Lipro'morp/1a1oochooa17aCHOJ0,1961 Bodycolorationlightyellowishbrownwithhea pronotumandbasalportionof elytradistinctlydarker.Antennaealmostequal tothebody inlength.Pronotum withadeepconstrictionbehindthemiddleaswell,butwithanadditionalshal- lowandnarrowsulcusbetweenmiddleandanteriormargin,whichismoredis- tinctinthelateralportionofpronotum(Vietnam,SouthChinaandTaiwan). _ . ip''o'710'p/1a c1/、ls,(CHEN,1934) Acknowledgement TheauthorexpresseshisheartythankstoDr.H.TAK1zAwA,Messrs.S. IMAsAKA and M. MINAMl formaterials 要 約 小宮義章]1 :日本産Lip,()n,o1p/,a属に関する研究, および1新種の記成l . - これまで南西諸 ), 島から記録されていた 1/フ1・0,110,7)1/a fjf珣ills(CHIN 1934を 独立種と認め ip,・0,110,・/・Ia/oo NewLipl-o,no・phafromJapan 205 chooanaCHuJo, 1961リュウキュウクビボソトトビハムシとした. さらに南西諸島南部 (宮古島, 石垣島および竹富島) より得られた本属の種を新種と認め, Lip,-omorphasakishimanaspnovサ キシマクビボソトビハムシ (新種新称) として記載した. またこの種を含む日本産Lip,omo,_ phaリュウキュウクビボソトトビハムシ属の検索表を作成した. References CHEN,S.H.,1934. RevisionoftheHalticinae(Col.Chrysomelidae)ofYunnanandTonkin. Sinensia,5: 225-416. CHuJo, M., 1961. Chrysomelid-beetlesof LoochooArchipelago (IV). Pub1 ent. Lab., Unjv. 0saka Ptef,(6):83-91. - &S. KIMOTo, 1960. Descriptionofthreenewgeneraandanewspeciesofchrysomelid-beetles fromJapan,withsomenotesontheJapanesespecies. Niponlus,「akamatsu,1(4):1-10. KIMOTo,S., 1965. TheChrysomelidaeofJapanand theRyukyuIslands.VIIISubfamilyAllicinaeI. KyushuUniv.JFac.Ag,・lc.,13:401-429. - &J.L.GREssITT, l966. TheChrysomelidaeoftheRyukyuArchipalago. Pacif Ins.,Honolulu, 8:467-577. - &H.TAKIzAwA,1994. LeafBeetles(Chrysomelidae)ofJapan539pp.TokaiUniv.Press,Tokyo. Elyt1・a,Tokyo,34(l):205-206,May20,2006 TwoLinesofEvidenceofAllotrophyinPlateumarzssericea (LINNAEUS,1761)(Coleoptera,Chrysomelidae,Donaciinae)inJapan Yoshiaki KoMIYA Mukogaokal-6-4,Bunkyo-ku,Tokyo,ll3-0023Japan IntheTanbaraShitsugenMarsh(about1,200mabovesea-level),Gunma-ken,Central Japan,adonaciinebeetle,Plateumaris(Euplateuma1・is)sericea(LINNAEUS,1761)isfirst found abouttwoweeksa量ordisappearanceofcoveringsnow,usuallyinthemiddleofMay,andone adultbeetleisaliveatleastforsixtosevenweeksa量oritsappearance,asconfirmedbymarking expermi ent.Theyareobservedtoswarmonmanykindsofflowers,feedingontheirnectar.The majnnectarsourceisthreespeciesofsedges.Thefloweringseasonofthesesedgesisusually fromthemiddleofMayIothemiddleofJune.FromtheendofJuneonwar few flowersa「e avajlablefor nectarsource for thebeetles.Velatrumstamineu'nisoneofthe feWflOWe「in9 plantsjnthjsseason,thoughthePlateuma11sbeetlesareneverfoundonthefOiWe「Softhis specjes,butmanyontheleaves.Theyarefeedingonthesecretionofaphids,notdirectlyf「om