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''Megathecla'' is a gossamer-winged butterfly genus of tribe Eumaeini in the subfamily Theclinae. These butterflies are found in the Neotropic ecozone. The distinctness of this genus was only recognized after the year 2000, even though the type species ''M. gigantea'' has been scientifically known since the late 19th century.〔 It contains three species at present, but undescribed ones are likely to exist:〔Wikispecies, 22 February 2010〕 * ''Megathecla corentini'' Faynel, 2009 * ''Megathecla cupentus'' (Stoll, ()) (sometimes in ''Cupathecla'') * ''Megathecla gigantea'' (Hewitson, 1867) The initial name proposed for this lineage was ''Gulliveria'', but some authors do not consider it validly published. In any case, this name was already established for a supposed genus of cardinalfishes〔Including the mouth almighty, ''Glossamia aprion''〕 earlier and thus cannot be used for the butterflies.〔 As replacement for ''"Gulliveria"'', one of the original authors proposed ''Gullicaena''. But another entomologist had already established ''Megathecla'' for exactly the same purpose some months earlier, and this name is thus used today. If, however, ''"Gulliveria"'' was never validly published, ''Megathecla'' must be formally acknowledged by the ICZN.〔 ''M. cupentus'' – a species described in 1781 – is sometimes separated in a monotypic genus ''Cupathecla'', but considering that the relationships of these species are by no means fully resolved, it seems premature to recognize it.〔 ==Footnotes== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Megathecla」の詳細全文を読む スポンサード リンク
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