Northern Prairie Wildlife Research Center
Green or yellow-green with angulate first thoracic segment, giving appearance of ears over head. Rear of second and front of third thoracic segments form hump, but without strongly raised ridges or bumps of other furculas. Continuous brown angulate saddle ends above prolegs on fourth abdominal segment. Tails (anal prolegs) extrusible, extruded portion red or brown with paler subapical band. Food: cherries; also recordedperhaps erroneouslyfrom willows and poplars. Caterpillar: June to September; 2 generations.