Identification: Forewing is purplish gray with brown shading from the apex to the orbicular spot. The black dashes near the inner margin and a weak postmedial line are the only markings. Cucullia omissa appears to have a smoother look than other Cucullia species.
Wing Span: 2.1-2.2 cm
Flight: May to September
Caterpillar Hosts: Larvae have been reared on parasol whitetop, Aster umbellatus. Other Aster species are likely.
Range: British Columbia to Newfoundland and south through the New England states. In the West the range extends south to California, Nevada, northern Arizona, and Colorado.