Linden Looper (Erannis tiliaria - 6665)
One of the few moth species I've been seeing on recent cool fall evenings. Some evenings these fall and winter moths were abundant, with a dozen or more around our porch light. All the Linden Loopers one normally sees are males. Females are wingless.
From BugGuide:
Range: Alberta to Nova Scotia, south to Missouri, Georgia, Utah and Texas.
Food: Hosts include basswood, apple, ash, beech, birch, elm, maple, oak, poplar, Prunus and Ribes.
Photo of female.
Photo of caterpillar.