Range: A fairly common sphinx moth (Sphingidae) in eastern and central North America.
Wing span: 3 1/4 - 4 1/2 inches (8.2 - 11.5 cm).
Caterpillar hosts: Grape (Vitis), ampelopsis (Ampelopsis), and Virginia creeper (Parthenocissus).
Adult food: Nectar from flowers including petunia (Petunia hybrida), bouncing bet (Saponaria officinalis), and white campion (Lychnis alba).
Sources and additional information:
BugGuide - Sphingidae
BugGuide - Eumorpha pandorus
Butterflies and Moths of North America
Bill Oehlke's Sphingidae Site
.