Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

White Underwing
Catocala relicta Walker, [1858]

Family: Erebidae
Subfamily: Erebinae
Identification: North America's only underwing with black and white bands on hindwing. Forewing varies from gray to blackish and white, providing camouflage when moth rests on brich bark.
Wing Span: 7-8 cm.
Life History:
Flight: July-October.
Caterpillar Hosts: Poplars, quaking aspen, and willows.
Adult Food:
Range: Newfoundland to Pennsylvania, west across Canada, south to Missouri. Strays reported from Kentucky and Mississippi.
Management Needs:
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