Northern Prairie Wildlife Research Center
Familiar, densely hairy black and red-orange caterpillar often seen crossing roads. Setae stiff and roughly of 1 length. Coloration as well as widths of orange and black bands vary considerably, with black portions giving way to orange as caterpillar matures. Food: grasses and forbs. Caterpillar: overwinters, September to May, and again in summer; 2 generations.