The Dimorphic Tosale Moth has a wingspan of .50 to .75 inch. It is sexually dimorphic. The male’s forewing is pinkish brown with wide chestnut brown bands and whitish lines. The males have elongated scales at the tip of the abdomen. The female has a similar pattern, but is paler and grayer. It often perches with the abdomen arched upward and the wings pushed down.