Cyrestis Thyodamas - Description

Description

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Males and females upperside white, in many specimens pale ochraceous yellow, veins black. Fore wing with four very slender irregularly sinuous transverse black lines, the costal margin shaded with ochraceous at base and fuscous beyond; cell crossed by three or four additional line short lines; a postdiscal very incomplete series of white-centred broad fuscous rings in the interspaces, tinged with ochraceous near the tornus and broadly interrupted in interspaces 3 and 4 ; beyond this two transverse black lines not reaching the dorsal margin, shaded with fuscous between; the apex broadly and the termen also shaded with fuscous. Hind wing with three transverse fine lines; a pair of postdiscal broad black lines shaded with light sepia-brown between, forming a conspicuous band, the outer line broken and incomplete, followed by two irregular line black lines, a subterminal more pronounced black line, and posteriorly a narrow black terminal margin ; dorsal margin broadly fuscous at base; apical half and the tornal area and lobe rich ochraceous, with some sepia-brown and black markings. Underside similar, the markings of the upperside showing through by transparency; the ochraceous shading on dorsum and tornal area on hind wing of less extent, but the tornal lobe darker ochraceous with a central large round black spot. The markings both on upper and under sides vary a little in depth of colour and breadth. In many specimens there is a diffuse fuscous spot between the discal pair of transverse fine lines on fore wing. Antennae, head, thorax and abdomen above black, thorax and abdomen with lateral greyish longitudinal stripes : beneath white. .Body of the female paler than that of the male.

Race andamanica, Very closely resembles the typical form ; the dark markings, however, are as a rule heavier and more pronounced, but in this some specimens from the Anaimalai Hills approximate very closely to the lighter coloured Andaman individuals. One constant point of difference, however, seems to be the large amount of rich ochraceous colour on the upperside of the hind wing posteriorly. The costal margin and the postdiscal series of rings on the fore wing are also strongly tinged with ochraceous. Apparently common at Port Blair.

Expanse 58–70 mm.

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