Ametastegia glabrata (Fallén)
Distribution: Mainly southern Canada and northern US south to PA and IL.
Adult is bluish-black with red legs.
Ginette Laplante, Ministry of Ag., Fisheries, and Food
The adult is bluish black with red legs (A). The larva (B) is a smooth velvety green worm with white legs (3 pairs of true legs and 7 pairs of prolegs) and a dark head.