Diarsia rosaria

Diarsia rosaria, the rosy dart, is a moth of the family Noctuidae. It is found from Ontario, Quebec, New Brunswick, Nova Scotia, Newfoundland and Labrador, British Columbia, Alberta, Saskatchewan and Yukon in Canada, south to northern California and eastern Oregon.

It is abundant and widely distributed in wet conifer forests.

Its wingspan is about 30 mm. Its larvae feed on various grasses.

Subspecies

 * Diarsia rosaria rosaria (Grote, 1878)
 * Diarsia rosaria freemani Hardwick, 1950