Magusa divaricata

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.