Northern pearly-eye butterfly

Enodia anthedon, the northern pearly-eye, is a butterfly species of the Satyrinae subfamily

Antennal clubs are black. Upperside is brown with dark eyespots. Underside is brown; submarginal row of 4 black spots on forewing is straight and the dark line inside it is sinuous.

Their diet consists of Dung, fungi, carrion, and sap from willows, poplars, and birch.

Reference:
https://www.butterfliesandmoths.org/species/Enodia-anthedon