Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Once-married Underwing
Catocala unijuga Walker, 1858

Family: Erebidae
Subfamily: Erebinae
Identification: Forewing mottled pale to dark gray and white. Black pm. and white st. lines zigzag. Orangish red band on hindwing only slightly irregular; fringe mostly white.
Wing Span: 7-9 cm.
Life History:
Flight: July-October.
Caterpillar Hosts: Poplars and willows.
Adult Food:
Range: Newfoundland to Pennsylvania, west to Manitoba and Missouri.
Conservation: Common in most of the range.
Management Needs:
Comments: NULL
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