Nacaduba pavana

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The Small 4 Lineblue Nacaduba pavana is a species of lycaenid butterfly found in Southeast Asia.

[edit] Description

Male upperside: purple with a frosted silvery-blue sheen very much as in N. macrophthalma. Fore wing : a slender black anticiliary line. Hind wing: costal and dorsal margins somewhat broadly dull brown, an anticiliary black line as on the fore wing; the subterminal black spots in interspaces 1 and 2 of the underside apparent in most specimens by transparency. Underside: groundcolour and markings similar to those of N. macrophthalma but far more slender and more neatly defined. Antennae, head, thorax and abdomen as in N. macrophthalma.

Female upperside, fore wing: costa broadly, apex and termen still more broadly brown; a narrow edging of pale brown along the dorsal margin ; rest of the wing grey, shot with iridescent blue in certain lights. Hind wing: pale brown, much paler than the brown on the fore wing; base very obscurely shot with iridescent blue ; costal and dorsal margins brownish white; a transverse subterminal series of black spots edged inwardly and outwardly with slender white lines, two minute spots in interspace 1 geminate, that in interspace 2 large, these three crowned inwardly beyond the white edging with an additional dusky spot. Underside: very similar to that of the male, ground-colour paler, transverse white strigae broader. Both male and female have the basal area of the fore wing within the transverse white strigss lining the inner side of the discocellulars immaculate, as in N. macrophthalma and N. kerriana.^[1]