Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

The Penitent Underwing
Catocala piatrix Grote, 1864

Family: Erebidae
Subfamily: Erebinae
Identification: Forewing grayish brown, with an oblique whitish bar extending from costa through subreniform spot. Note broad tooth on basal side of am. line, near inner margin. Hindwing banded orange and black.
Wing Span: 6.8-8.4 cm.
Life History:
Flight: July-early November.
Caterpillar Hosts: Ash, butternut, hickory, pecan, persimmon, and walnut trees.
Adult Food:
Range: Maine to Florida, west through southern Ontario to South Dakota and Texas.
Management Needs:
Comments: NULL
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