
Appearance
The wingspan is 16–20 mm. The forewings are white with large diagonal blackish patch in the distal half. The hindwings are whitish, basally with greyish-brown shading distally. Adults are on wing from May to September.
Food
The larvae feed on ''Ambrosia'' species. They are tan to nearly black or sometimes pale green. Full-grown larvae reach a length of 25 mm.References:
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