Appearance
''A. euphenoides'' is distinguished in both sexes only by the colour and markings of the underside of the hindwing. In the females the colour of the apical area of the upperside of forewing is very variable, for there occur also specimens with rather large reddish yellow patch. — ab. ''lecithosa'' Tur., hitherto only found in South France, has no orange patch in the male, but, like the female of this form, a sulphur-yellow apical spot. — Larva greenish, with yellow and black dorsal markings, white lateral stripes and large black dots, head green; in autumn on ''Biscutella'' species;
it is a so-called cannibal-caterpillar. Pupa light brown, also green, very strongly incurved .
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