''Operophtera bruceata'', the bruce spanworm, hunter's moth, or native winter moth is a species of moth of the family Geometridae. It is found from coast to coast in southern Canada and the northern parts of the United States.
The wingspan of the males is 25–30 mm. Females have underdeveloped wings and do not fly. Adults are on wing from October to December.
Bruce spanworm looks very similar and has a similar life cycle to the invasive congener winter moth . Bruce spanworm.. more