Northern Prairie Wildlife Research Center
Rich green with oblique lateral lines and spangling of blue or brown spots. Head sometimes with narrow yellow band curving around front; antennae red to orange. Midabdominal prolegs red to orange, flared at ends. Brown panopoda (P. cameicosta) reported to be somewhat darker, and with more conspicuous yellow band across front of head. Food: beeches and oaks. Caterpillar: July to September; 1 or 2 generations.