Northern Prairie Wildlife Research Center

Body pink-orange, marked with black and white or yellow striping and numerous stinging setae. Dorsal and lateral areas each with set of 3 thin dark stripes. Four lobes about anterior end and 2 from posterior end. First 8 abdominal segments with subdorsal and subspiracular warts each bearing more than 20 stinging spines. Food: many forest trees and shrubs, especially oaks. Caterpillar: July to September; 1 generation in North.