Acronicta impressa
Introduction '''''Acronicta impressa''''', the '''impressive dagger moth''' or '''willow dagger moth''', is a moth of the family Noctuidae. The species was first described by Francis Walker in 1856.It is found from western Canada to north-western Mexico.The wingspan is about 38 mm. Adults are on wing from early to midsummer depending on the location.Recorded food plants include bitterbrush, rose, aspen, poplar and willow.
Subspecies *''Acronicta impressa impressa''*''Acronicta impressa emaculata''
References
External links **** "''Acronicta impressa'' Walker, 1856". ''Pacific Northwest Moths''. * "''Acronicta impressa'' Noctuidae". ''Macromoths of Northwest Forests and Woodlands''. US Geological Survey.