Northern Prairie Wildlife Research Center
Reddish to maroon brown with shiny black thoracic plate with conspicuous yellow subdorsal stripes. Dorsal and subdorsal lines thin, broken. Setal bases pale; fainter spotting over rest of body. Light brown spiracular stripe running below first thoracic and last abdominal spiracles. Rump bearing dark shiny plate. Food: cherries, oaks, and willows. Caterpillar: April to June; 1 generation.