Catocala cerogama, the yellow-banded underwing, is a moth of the tribe Catocalini that occurs in North America. The species was first described by Achille Guenée in 1852.[1]
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.