New York Natural Heritage Program
Gordian Sphinx
Sphinx gordius Cramer, 1779
Insects

Identifying Characteristics [-]
A specimen or a very good image is needed to identify this species. The wingspan ranges from 68-95 mm. The color and markings are highly variable. Typically the thorax is black with grayish-brown edges near the wing bases. The forewing is blackish to gray with white dusting. The hind wing is black and brown with a white fringe (Covell 1984).

Diet [-]
Larvae of this species have a variety of host plants including apple, sweetfern, Carolina rose, blueberry, huckleberry, white spruce, larch, and alder. Adults feed on nectar from flowers such as dogbane, honeysuckle, lilac, evening primrose, bouncing bet, and phlox.
Gordian Sphinx Images
click to enlarge
The Best Time to See
The larvae (caterpillars) of this species pupate in burrows in soft soil. There is typically one brood each year. Flight dates of adults range from May to September.
J F M A M J J A S O N D
Present Reproducing
The time of year you would expect to find Gordian Sphinx present (blue shading) and reproducing (orange shading) in New York.