Catocala parta

Catocala parta, the mother underwing, is a moth of the family Erebidae. The species was first described by Achille Guenée in 1852.^[1] It is found in North America from Nova Scotia south to Maryland and Kentucky, west to southern Saskatchewan and Alberta, western Montana, and Utah. The wingspan is 70–78 mm. Adults are on wing from August to September depending on the location.

Mother underwing
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Erebidae
Genus:	Catocala
Species:	C. parta
Binomial name
Catocala parta Guenée, 1852
Synonyms
Catocala petulans Hulst, 1884 Catocala forbesi Franclemont, 1938 Catocala parta var. perplexa Strecker, 1873

The larvae feed on Populus and Salix species.