Northern Prairie Wildlife Research Center
Greenish (usually) or reddish with 7 pairs of oblique lateral stripes. Head with pink or yellow band running from eyes to crown. Horn pinkish. Similar to great ash sphinx, but lower end of stripes extending only to intersegmental area and lacking white granulose spotting. Additionally, anal plate convex above; anal plate and anal prolegs bear conspicuous black spotting in waved sphinx. Food: ashes preferred, but also lilacs, privets, hawthorns, oaks, and other trees. Caterpillar: April through October; 2 generations in South, 1 in North.