Sympistis amenthes

Sympistis amenthes is a moth of the family Noctuidae first described by James T. Troubridge in 2008. It is found in western North America from Washington to Oregon and from the east slope of the Cascade Range to northwestern Nevada at altitudes of 2600 to 5600 ft.

The wingspan is 28 to 36 mm. Adults are on wing in September.