Tent Caterpillars in Northern Arizona

Tent caterpillars are common insects in northern Arizona forests as well as in urban trees. The species that can be found in northern Arizona are the forest tent caterpillar Malacosoma disstria, sonoran tent caterpillar M. constrictum, southwestern tent caterpillar M. tigris, and western tent caterpillar M. californicum. They are similar in habit and appearance. Hosts of tent caterpillars in northern Arizon