a macro shot of a forest tent caterpillar with leaves in the background appearing to look like a frog

aggregate alberta bask blue branch butterfly canada caterpillar cluster damage deciduous defoliate deforestation destroy destruction disstria eat ectotherm feed forage forest frog furry group habitat hair hairy infestation insect instar larvae leaves malacosoma mass moth multiply node nomadic nuisance outbreak pest pheromone problem setae social spots spring strip tent trees twig