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''Battus polydamas antiquus'' is an extinct subspecies of the Polydamas Swallowtail within the family Papilionidae. It is only known by a drawing from 1770 by British entomologist Dru Drury. It was endemic to Antigua. Drury's illustration depicts a male. The ground color of the fore and hindwings is black. The upperside of the forewings consists of a row of eight green spots. The upper four spots are small. The sixth one is the biggest. The row of spots on the hind wing is narrower. There are 21 ''Battus polydamas'' subspecies. ''Battus polydamas antiquus'' is the only subspecies currently listed as extinct. Dru Drury received his butterflies from a variety sources during a period of history when cartography was not precise. There exists, to those who have examined his three-volume work ''Illustrations of Natural History'', a plethora of errors in his taxonomy. Such errors may indicate that the butterfly ''Battus polydamas antiquus'' never existed at all. ''Battus polydamas antiquus'' may be the only known butterfly to have gone extinct on account of having never existed. It is a hypothetical extinct species. ==References== *Walter Rothschild & Karl Jordan (1906): A Revision of the American Papilios. In: Novitates Zoologicae Volume 13:p 523 *F. Martin Brown and Bernard Heineman, Jamaica and its Butterflies (E. W. Classey, London 1972) *Smart, Paul (1976). The Illustrated Encyclopedia of the Butterfly World in Color. London, Salamander: Encyclopedie des papillons. Lausanne, Elsevier Sequoia (French language edition) ISBN 9780948427046 ISBN 0600313816 page 159 fig.19 as B. archidamas Bsdv., underside (Chile), fig. 17 as polydamas (Mexico) 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「Battus polydamas antiquus」の詳細全文を読む スポンサード リンク
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