TThhee LLeepipdiopdteorpoltoegircaollSoocgieitycal Society ooff JJaapapnan ectwt Trans.tepidS.oc.Jopan 58(1)4:-6,Januai'2}0,07 A new subspecies ofLlysphania discal i(sWalke r()Geometrid aGeeo,metrinae) fromtheLinggaIslands HiroshiINouE 3l1-2,Bushi,Iruma City,SaitamaPref.,358-O053 Japan Abstract A new subspccies, Dysphaiiia discal iasureolina, is discribe dfrom the Lingga Islands, east of Sumatra. Key words Dysphania, new subspeeies. nominotypical, Singkep Islan dL,ingga lslands. D.vsphani adiscal i(sWalke r1,854) from Peninsula Mralaysia, Sumatra and Borneo is readi- ly distinguish efdrom other congeners by the white dorsa lsurface of the abdomen and the basa lhalfof the hindwing (Prou 1t9,32: 65, pl ,7: c; Yazaki ,1989: 6, fig .7; Holloway, 1996: 188, pl, 4: 3, fig s12, 106) ,In this species no geographi cvariation has been known, but re- cently I obtained a series of specimens from the Lingga Island swhich are worth naming as a new subspecies. Ilysphani adiscat iasureolina subsp. nov. (Fig s1-2 ,5-6) Smaller than the nominotypical subspecics. Wingspan: g 58-65 mm, tt ・-61 mm, while in i'ig'''''g 1'.'' t・ /Y{" tw・i ttt 1 ee x lj tttwt/ttsu.. Figs 1-4. D.v,v)hani adiscal issspp., 6" .1 .P. d, aureolina n. spp., holotyp e(wingsp a6n2 mm), upper surface. 2. Ditto ,undcr surface. 3, D. d, dis'cal i(sWalke r()6 7mm), upper surface, 4. Ditto ,under surface. NNIII-IE-leEcltreoncitcronic LMbirabrryary Service TThhee LLeepipdiopdteorpoltoegiroaollogical SSoooiceityety ooff JJaapapnan ANew Subspecie80 fDy、gi)hania discal ifsrom the Lingga lslands 5 Figs 5−8. D:]、vphania di、s.calis sspp .,♀.5.0. d. a昆reolina Il. spp ,, para〔ype (Wingspan 61 mm ), upper surfacc.6. Ditto, under surfaco.7. D 、 d. discali s(Walker)(68 mm ), upper surface , 8.Ditto, under surfa¢e. the 皿ominotypical subspecies :♂67−68 mm ,♀ 62−70 mm . Forewing with the macuiation identic awilth the nominotypical subspecies , but hindwing with yellow marks at di. gtal black arca les sdeveloped. Under surface :hindwing golden yellow from base to termen, while in the nominotypical subspecics thc basa lhalf or one −third always white . Abdomen with the ventral half usua ]ly deeper yellow than in the nominotypical subspecies . Holotype.♂, Singkep Is., Lingga Isl.siv,1998. Paratype.s Ditto, ii.1998,1♂;viii.1998, , 1♂;)d.1998 3♂;Lingga Is. viii.1999 1♂;ditt oiv.2002 1 ♂;xi.2002,2♂1♀. , , , , , Holotype will be deposite din The Natura lHistor yMuseum , London after publicati,on Distributi. onLingga Islands(or Kepulauan Lingga) east of Sumatra . , References HoUoway, J. D.,1996. The Moths of Borneo, Part 9:Gcc〕metridae , subfamilies Oenochromina,e Deslno− Pr o ubt, aLt.h rBi、n,a1e 9an3d2. GDeyosmpehtarniinaae. . InM aSleaiyt,z ムAr‘l.t.(ノEd.4.)9, ;I1n4d7o−−a3u2st6ra,l4ia2n7 藪Ggesエ,⊃m1et2r ipdlaes..7’he Macrolepidopt・αe〔i)f the Yu z a駒ki, rK’4.,1219;8690. −A6n6, iplllsu6,s7t,r9a . tgueSitdduet ttgo aDr,}t・sphania (Lepidopte,r Gaeometrida)e. Gekkan−Mushi (217):2−8. 摘 要 Lingga諸島か らの Dysphania discat(iWsalker)の 1新亜種 (井上 寛) ’ ー Dybphania discali(sWalker)はマ レ 半島,.スマ トラ,ボルネオに分布し,腹部背面 と後翅の基半分が純 一 NNI工I工-EElleoetcrotniroonic LLiibrbarryary Service TThhee LLeepipdiopdteorpoltoegiroaollogical SSoooiceityety ooff JJaapapnan 6 HiroshiINOUE 白なの で他の 同属種か ら区別される.矢崎(1989,月刊むし217:6,fig,7)はシロ シタ トラシャ クと名付 け,[この属の広分布の種としては珍しくひ とつ も亜種や型が命名されてお らず,_...」と書いて いる. 本文で記載した スマ トラ東部の Lingga諸鳥の亜種は原名亜種 よりやや小型で,後翅裏面全体が鮮明 な黄色で,基部近 くが白色で ない のが特微である.原名亜種では多くの場合後翅の 基半が A色だが, まれには基部近 くだけが白い . (Accepte dSeptembe r20,2006) Publishedby the Lepidopterologica lSociety of Japan, 5−20.Mot 〔〕yokoyama 2, Hachioji. Tokyo,192−0063 Japan 一 NNI工I工-EElleoetcrotniroonic LLiibrbarryary Service