Description
Lighter or deeper yellow above, with well developed and sharply defined black marginal and submarginal markings and black middle spot on the forewing; the hindwing with reduced marginal marking, sometimes without any, the light-coloured middle spot being very feebly developed; upperside of forewing sometimes more or less dusted with black along the veins. Underside light yellow, with large black middle spot, and more or less developed black submarginal spots posteriorly on forewing; hindwing dusted with dark on the inner area, this scaling sometimes extended to the margin, the middle spot being whitish. The ground colour of the female is lighter, the black markings are less developed, being very diffuse especially at the distal margin of the forewing; the black middle spot, however, large. Beneath, the apex of the forewing bright yellow and the hindwing dusted with grey greenish.Biology
The larval food plant is '' Onobrychis echidna''.Subspecies
Listed alphabetically: *''C. a. chitralensis'' Verity, 1911 – Pakistan (Chitral) *''C. a. kohibaba'' Wyatt & Omoto, 1966 – Afghanistan, Tadzhikistan (western Pamir) *''C. a. roschana'' Grum-Grshimailo, 1893 – north-western Pamir, smaller than nominate, and the hindwing has a dark distal marginal band *''C. a. tashkurgonica'' Kesküla, 1997 – Uzbekistan *''C. a. usmatica'' Shchetkin, 1990 – Uzbekistan (western Turkestan Range)References
*Joseph T. Verhulst (English translation R. Leestmans, editing E. Benton and R. Leestmans), 2000 ''Les Colias du Globe'' translation ''Monograph of the genus Colias'' Keltern, Germany: Goecke & EversExternal links