Inspection of the specimen identified as Cosmopterix flavofasciata by Fletcher (1933) (Lepidoptera, Cosmopterigidae)

2011·0.75 MB·

TThhee LLeepipdiopdteorpoltoegircaollSoocgieitycal Society ooff JJaapapnan
utEva LepidopteraScience62(3)1:05-106,October2011

Inspectio nof the specimen identifi eads Cosmqpteri xj7avojirs bcyi Falteatcher(1933)(Lepidoptera,
Cosmopterigidae)
Hi roshi Ku RoKo"
4-3-1-901Habu-cho,Kishiwada,Osaka,596-0825Japan

Abstrac tFjetcher' sspecimen, which is very importan tas the evidential specimen for the hostplan tof Cosmopterix
atten"atella (=C flbuvqfu sinc hii asplubdl)icatio (nI93 3h)a,s not bcen locat eord subjected te modern examjnation, A
specimen that is probably the same species as in his descripti ohnas now been found among the material preserv eidn the
Natural History Museum, London (BMNH) .After carefu1 exalnination of the external charaeters i tis concluded that
Fletcher: sspecimen is a differ esnpetcies from attem{atella,
Key words Cosmopterigidae ,Cosmopterix,h opsltan td,weru rsot"ndus, Fletche rs'pescimen, Pusa,
Fletche r(1921 n)oted that he collected Cosmopterix
mimetis Meyrick (a juni osyrnonyrn of C. atten"atella
Walker)atPusa,Indiaf,rom25Septembe-r8December

1916byrearingthelarvaemininginmothagrass(C}ipertts
rotundus), Subsequent hley ( 1933) recorded Cosmoplerix
jlavoj?isciataWbllaston(ajuniorsynonymofC,attenuatetla
Walker) from leaves Cypertts
reared of rot"ndus and
provide fdigur eofs the adult, larv aand pupa .AIthough
thisrecordwascitedIaterinthebiologyofCcfussicervicella
(a elosely allied species to atten"atetla) by Chretie n(1 917)
in pait ,it is importan tas the only knowledg eof the host
plan otf C attenuatella up to the presen tCHodge s19,62:
25; Hodges ,1978 i27; Koster and Sinev ,2003: 116),
General ltyhe identifica to'if oCnosmopteri xspecies by
external characters alon eis fraugh wtith diencul tiyt i:s
yery like ltyo be inaccura etxecept in special cases. In
spite of this a,pparently nobody has ex arnined the genitalia
of Fletcher 'sspecimens. Through the courtesy of Mr K,
Tuck of the BMNH, I had the opportunity to examine the
specirnen that appear tso be the one treated by Fletcher.
It is clearly differe nftrom C. attenuatetla.
Closmopteri sxp. (no Ctosmopterix attenuatella Walker)
Cosmqpter itnximetis: Fletcher ,i920: 120,
Cosinoptertxfavqfascia tFat:ctche 1r9,33 :1-2, pl ,1.
8, Wing length 3,5 mrn. Antenna stout, black ,with
interrupt ewdhite ]ine sfrom base to 1/3 ,apica] 1 black ,l
white, 3 black O,.5 white, O.5 blaek,O, w5hite, Head and
thorax with thre ewhite lines,
Forewing les snan"ow than in attenuateUa, WIL=O.16rkrk;
fuscous ;subcostal lin efrom base to 2/3 of basa lhal farea, Fig ,1. Cosmopterix sp., r (th sepecimen treated by Fletche ras
C.
median and subdorsal line dsistin cabtou,t 114 lengt ohf attenuatetla,)
Fig .2. Labels attached to the specimen.
*e-mail:[email protected]
s #WL=widthlle"gth of forewit]g
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TThhee　 LLeepipdiopdteorpoltoegiroaollogical　 SSoooiceityety 　ooff　 JJaapapnan
106 H．KUROKO
basa　lhal　farea，　subdorsal 　Iln　enearly　under 　median 　line； Acknow且edgnlents
ababennxlatttaeeenrrncdiod　ktoi　d−rnoc　go2o皿ts1　；ta3eappitl0coaafls［lliltbyinmca　e　　efsebd　xaahetisaleyacnlond　ifi　bnaanoε　gdbmprldoei　，saq　　acuytnaeuetedelar　rlliio　ouoomrt　ewpr　lwtyatrar（il）djln配sigoecem　d，cs　　p　wwtpoiit　totihshhso；o　　−t亡daomenrem　zadlsoniimgananenalllt，，al I．fKhowoir　i　ssetsstht　heeet　（erolNm　eeoexdaptrn　he　oseafsdr　v　tmilychaei　n　　c　sCvodoarnelsdu　niatb虻ahlleee　　t　Rshp）a　resn　cBpkieimsce　otinmdoe　Minrv．e　K　rasn．　Tid　Nut　acyttko　u（MBrrMa　MlJNi），　HsfCb）．r
lin　ediv食ded　int　otwo，　basa　lpart　short　and 　weak 　api¢al
，
part　rather　broad；apical　ciliablackish　without 　apical　spot． Referellces
“
Specimen　examined ．1♂， Mining　Motha 「○，p“erus Fletcher，　T．　B．1920，　Life−historie　sof　Indian　Insects，
rotundus ］leave，s24．　x．1918，　Pusa　Boyd　Coll∴ Brit． 　　　Microlopidopt，　eVrIa．　Cosmopterygidae，　Oecopholldae，
fMulsγa〔伽．19（；3i4a−t3　aW8”．．，　“teAsbtde　Tom，Be．nE”　missing ”．」て osmo ρter）’x 　　　　　　PMehmys・oDpetl，i・lA9i，　d「Xiayee．　lIonrdiyac，　Etni．td，　oaSmetole．　nSoemv’．i6da　（a1en−d9　）O：r1n−2e1o7dj．dae．
Fletche，r　T，　B．1933．　Life−historj　eosf　India　nMierolepidoptera
　　　（second 　series）．　Jmpen　CouncilAgric、　Res、∫〔・i，　Monogr ．4：
Discus韮son 　　　1−85，77pls．
This　specimen 　bearin　Fgletch’es　ridentifica　ltaiboen　lis
cl．early　i．dent．cajl　with　his　drawing（1933，　pL　1）in　the　stout 摘 要
antenna 　and 　the　character　of　the　terminal　lin　eof　the
f（）rewing ．　Furthermo　riet　diffe　rfsrom　C、　atten”atelta　as Fletche（r1933）によりCosmopteri　fXlavofBasc（ホiaソtカa
follows．1）The　character 　of　the　a皿tenna　is　mentioned ザリバ ）と9して扱われた標本の検証 （鱗翅 ，カザリバ
above ，　butin　attenu αtella　it　is　slender 　and 　with　the　apical ガ科）〔黒 　浩）
i　or　2　segments 　blac，k30r　2　segments 　white ，5segments Eeteher（1933）によりC・・mo ρerixflavcftTscia　t（a＝　Cl　attenuateUa）
blac，k　l　white ，1black2 ）The　forewing　is　broade　trhan として扱われた標本はイン ドにおい てスゲ科のハ マ スゲよ
that　of　attenuatella ，　WIL　＝ O．16（in　attenuatella 　more り得られたもので，以来この記録が本種の食草として引用
slender ，　WL ＝ 0，11）．3）The　temninal　lin　eis　divide　dinto されて きていた．ところが今回見つ かっ たFietcheにrよる
two，　the　basa　lpar　tweak 　and　the　apical　par　trather　broad， 同定ラベ ルのつ い た標本は明らかに 1933年出版の彼の成
without 　an　apical　spot （in　attenuateUa 　one　termina　lline 虫図とは一致するが，前翅形，触角や斑紋の特徴からホソ
and 　an　apical　spot　are　presen）t．Although　the　specimen 　is カザリバ とは別種と．考えられた （腹部は紛失していて交尾
missing 　it　sabdomerl ，　thi　sspecimen 　is　clearly　a　male 　by 器を調べ ることはで きず、種名の決定には至らなかっ た
it　sstrong　frcnulu．m が）．したがっ て本種の食草の原典とされるFletche〔1r933）
Aspte　ctimheen　pr　ecosneclnut　stiivemley　i．t　　iBus　tn　oit　t　ips　ocslesairb　tl　hetaot　　tlhde　espnetciie　fstyh　iiss ．の界引中用に広は不く分適布切すになる本る種．わのが信国頼にでもきるご食く草普が通末に生だ息もっして，世判
nwoitll　t　breu　e　iatdteenn昆taitef　liilaen，　dtahnd　ef　iUttiu　sar　nbe亘yc　impol飢eceudl　atrha　t　atnhael　sypseidsme．　nltis 明ころしてにい答なえいはとひいそうんこでといはる不の思か議もな知これとなでいあ．る．意外なと
strange　tha　tthere　is　no　genuin　ienformati　oonn　the　bielogy （Rcceived　June　l3，2｛｝】1．　Accepted　August　8，2011）
of　atten”atelta　even 　though　i　tis　a　coimnon 　and　widespread
species　in　the　world ．　The　hostpl皿at　of　attenuatella 　might
be　unusua ］，
一
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