This moth migrates from southern to northern states in the US and into Canada each summer. The larvae feed on leaves Buckthorn trees and shrubs in the genus Frangula and Rhamnus. There is one native Rhamnus is the area Rhamnus alnifolia but there is much more Common Buckthorn (Rhamnus cathartica) and Glossy Buckthorn (Frangula alnus) both of which form dense patches in some places.
''Magusa divaricata'' is a moth of the Noctuidae family. It is found from eastern Canada south through the Caribbean and Central America to Paraguay and Argentina. It is a migratory species, which travels north in late summer and fall. The species is commonly known as Orbed Narrow-wing, but this name may also be applied to ''Magusa orbifera''.
The wingspan is 40 mm.