Body is dark brown with a wide white stripe across the abdomen. Wings are dark brown. Forewing upperside has a black spot at the end of the cell and 2 bands of translucent white spots. Hindwing upperside has pale patches along the costa and inner margin. The Titan sphinx is a strong flier.
Caterpillars pupate in loose cocoons within shallow underground burrows.
Several broods throughout the year in the Florida Keys, one brood from June-October elsewhere. Nectar from flowers including phlox, lantana, and stoppers. Uruguay and northern Argentina north through Mexico and the West Indies to the Florida Keys. Strays north to Maine, and west to North Dakota and southern Arizona. GU - Unable to assign rank due to lack of available information.