Banded Tussock Moth (Halysidota tessellaris) Caterpillar
Halysidota tessellaris, also called the Banded Tussock Moth, tessellated halisidota, and pale tiger moth, is in the family Erebidae. Like many related species, it has chemical defenses it acquires from its host plants, in this case, alkaloids, at least in adults.
Moth; pale tan FW has irregular pattern of slightly darker, black-edged bands. Thorax has turquoise and yellow dorsal stripes.
Hosts: Deciduous trees and shrubs, including alder, ash, birch, elm, oak, and willow.