Northern Prairie Wildlife Research Center

Densely covered with light yellow hairs that originate from a pale red base; middorsal tufts of off-white hairs on A1-A4; tufts of long black hairs project forward laterally from A1; a single tuft of long black hairs projects backward dorsally from A8; pale red middorsal glands on A6 and A8. This caterpillar is very common on many broadleaf trees and shrubs such as willow, white oak, and black cottonwood, during June and July.