| Catocala, Catocala grynea, Catocala blandula, Catocala habilis, Catocala parta|
The yellow-banded underwing (Catocala cerogama) is a species of Catocalini that occurs in North America.
The wingspan is 64 to 81 mm. They have even, deep yellow bands on their hindwings, the forewings are usually brownish-gray. Look for a pale band that connects the whitish subreniform a spot to the costa.
As far north as Nova Scotia south to North Carolina, west to Manitoba, South Dakota, and Missouri.
The adults fly between July and October.American basswood
Catocala cerogama Wikipedia