Northern Prairie Wildlife Research Center
Light green with sparse white spots; tan spiracles; white spiracular line with red dorsal edge which is more obvious on T1; A8 with large dorsal hump; true legs red. The specimen pictured here was reared from eggs obtained from a field-collected moth. This species is not common and is present on white oak during April and May. This caterpillar is similar in appearance to Amphipyra pyramidoides. These two species differ in the appearance of the spiracular longitudinal line.