From southern New England and New York westward through the Ohio Valley to Nebraska, and southward to eastern Texas and Florida.

Wagner reports at least two generations in New Jersey with mature caterpillars from July to October, and that it is nearly year round in parts of the Deep South with many generations. In Maryland Glaser reports it to be common in the Coastal Plain but absent west of the Piedmont, with flight dates from 10 May - 10 September.. Wingspan 6-7.5 cm.

Food plants are trumpet vine, bignonia and Florida yellow-trumpet. It has also been found on passionflower and lilac. Larva is a hornworm, commonly yellow-green above and blue-green below. There is also a brown form. There are 7 pairs of oblique lateral lines, and the head and body are covered with white granules. The horn may be blue, green, or sometimes black.