"What a thousand acres of Silphiums looked like when they tickled the bellies of the buffalo is a question never again to be answered, and perhaps not even asked." -Aldo Leopold
Prolimacodes badia (Skiff Moth) Hodges#4671. Until looking closely at this photograph, I never noticed the whisker-like setae these caterpillars sport. Freshly deposited out-of-focus frass for scale.