Northern Prairie Wildlife Research Center
Body dark, dappled with yellow; sparsely covered with stout black, barbed setae. These arising from shiny black warts that bear 1 or 2 setae (3 on some thoracic warts). Painted lichen moth (H. fucosa) smaller, marked with less yellow, and less distinct middorsal line. Depicted individual has 7 mites feeding upon it. Lichen moth caterpillars can be collected using burlap bands. Food: terrestrial algae and lichens, especially on boles of trees. Caterpillar: overwinters, maturing April to June; 1 generation.