Identification Covell, Moths of Eastern North America, Pg. 32. The fore wing is gray, sometimes shaded with brown; crossed by indistinct black and white lines. The post-median is the most distinct. A black dash extends from the middle of the costa to the middle of the outer margin. The dash is often broken around whitish reniform spot. The hind wing is black and gray at the anal angle. Caterpillar host plants are ash trees.