Hodges # 6654
Caterpillar foods: leaves of alder, apple, ash, basswood, birch, cherry, dogwood, elm, fir, hazel, hickory, maple, oak, pine, poplar, rose, serviceberry, willow (Bugguide)
These specimens show a great amount of wing variation, and they may represent only one very variable species, or several. Some may be Hypagyrtis ester – a very similar species with no clear pattern differences. Bob Belmont has an explanation with examples on MPG.