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The Dark Zebra Swallowtail or Dark Kite-Swallowtail (''Protographium philolaus'') is a butterfly of the family Papilionidae. It is found from southern Texas to northern South America.〔(Butterflies and Moths of North America )〕 The wingspan is 90–95 mm. There are broad black bars on the upper surface of the forewings of the males. Females are similar, although some are almost completely black. Both sexes have long tails. Adults feed on flower nectar. "Antenna black; the 7. pale green band of the forewing only represented by a spot ; hindwing with 2 red spots posteriorly ; on the under surface the red line of the hindwing edged with black at both sides, undulate anteriorly. Scent-scales of the male short, broad, irregular, produced in a number of filaments. The female is in 2 forms: female f. ''philolaus'' Boisd. similar to the male, the underside paler, female f. ''niger'' Eimer ( ''nigrescens'' Eimer; ''felicis'' Fruhst.) the pale green bands of the membrane of the wings scaled with black, the wings therefore black with slight traces of the bands." 〔Jordan, K. , in Seitz, A. ( 1907) . The Macrolepidoptera of the World. 5: The Macrolepidoptera of the American faunistic region. Papilionidae 1-45〕 ==Biology== The butterfly is found in low situations, often resting in crowds on the sand at the edge of rivers.The larvae feed on Annonaceae species. 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「Protographium philolaus」の詳細全文を読む スポンサード リンク
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