Northern Prairie Wildlife Research Center
Highly variable, red, pink, or brown, heavily speckled with white. Head orange-brown. Second thoracic segment with long, black spinulose horns. Dorsal abdominal spines much longer than those of other oakworms described in this guide. Often with indistinct blackish spiracular stripe. Gregarious in early instars, then solitary. Related species, large-eyed oakworm (A. fuscosa), occurs in Louisiana and Texas. Food: oaks and hazelnuts preferred. Caterpillar: August to November; 1 generation.