Broadleaved-forest
Guides
Lycia ursaria
Stout Spanworm Moth, Bear
Lycia ursaria is a moth in the family Geometridae, commonly known as the stout spanworm moth or bear. First described by Francis Walker in 1860, it occurs in southern Canada and the northern United States. Adults are active in spring, with larvae feeding on leaves of various broadleaved trees and shrubs. The species has a single generation per year.