Northern Prairie Wildlife Research Center
Anterior portion of first thoracic segment ("neck") yellow behind black head; body dark with 4 conspicuous yellow stripes and numerous fine white hairlike setae. Stripes fusing to form lateral patch on last 2 abdominal segments. In yellow-necked caterpillar (D. ministra), stripes remain separate or only weakly fused about rump; variety of trees and shrubs, commonly oaks and apples. Food: Many plants especially those in heath family. Caterpillar: August to September, 1 generation.