About Acronicta longa Guenée, 1852
Acronicta longa, commonly known as the long-winged dagger moth, is a moth species belonging to the family Noctuidae. This species was first formally described by Achille Guenée in 1852. It is distributed across most of North America, and its range includes Nova Scotia, Alberta, Florida, and Texas. The wingspan of adult long-winged dagger moths measures 32–44 mm. The larvae of this species feed on the foliage of birch, blackberry, oak, and willow.