- Larvae feed gregariously (in nonsocial groups) when young, consuming entire leaf; they disperse and feed individually when older
- Larvae have several yellow, black and white stripes in groups of three, an orange-brown head and matching "hump" near the opposite end; grow to 1 ½" long
- Feeding takes place from late June until fall
- Adults are a gray moth with white and brown markings and a 1 ½" wingspan
- More information on Orangehumped mapleworm...