Northern Prairie Wildlife Research Center

Head, thorax, and abdomen light green dotted with white; head with converging yellow bands; oblique white band extends from subventral area of A8 to tip of horn on A9; oblique white lines on A1-A7 extend from in front of the spiracle to the dorsum of the adjacent posterior segment; transverse white band at the base of the anal prolegs. This species is common on willow and black cottonwood during July and August.