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The Chestnut-Streaked Sailer ''Neptis jumbah'' is a species of nymphalid butterfly found in South Asia. ==Description== :''See glossary for terms used'' Male somewhat resembles ''Neptis columella'', but differs as follows:— Upperside fuliginous black, the interspaces between the veins deeper black, very conspicuous in certain lights, particularly so between the subbasal and postdiscal markings on the hind wing; the white markings suffused with very pale bluish green; the posterior two spots of the discal series on the fore wing subequal; the postdiscal macular band on the hind wing with a tendency to obsolescence, varying from a narrow series of white lunules to a somewhat diffuse transverse narrow pale band. On the underside the ground-colour is paler than in ''N. columella'', the interspaces between the veins conspicuously much darker; the postdiscal and subterminal markings on both fore and hind wings diffuse and very ill-defined. ''N. jumbah'' can also be recognized by the discal transverse series of comparatively large dark brown spots. In the female the spots on the fore wing and the subbasal band on the hind wing are comparatively broader than they are in the male; in the dry-season form of both sexes, as compared with the wet-season form, often conspicuously broader. Antennae, head, thorax and abdomen as in N. columella.〔Bingham, C. T. 1905. Fauna of British India. Butterflies. Vol. 1〕 Expanse 62–70 mm. 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「Neptis jumbah」の詳細全文を読む スポンサード リンク
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