Northern Prairie Wildlife Research Center
Handsome caterpillar with waxy body and bright yellow bands and patches. Head, thoracic shield, and rear abdominal segments unpigmented; stemmata undifferentiated. Dorsal yellow patches across both anterior and posterior of second and third thoracic segments; on abdomen only posterior patches present. Broad yellow spiracular stripe dodging around pale spiracular areas. Subventer unpigmented. Food: many deciduous trees and shrubs, as well as other caterpillars. Caterpillar: April to June; 1 generation.