About Phobetron pithecium (J.E.Smith, 1797)
Phobetron pithecium, commonly called the hag moth, is a moth species that belongs to the family Limacodidae. The larva of this species is known by the common name monkey slug. In the northern parts of its range, this species produces one generation per year. In the southern United States, it produces two or more generations each year. The larvae of Phobetron pithecium live on the underside of leaves and feed on a wide variety of deciduous trees and shrubs. Recorded host plants include apple, ash, birch, cherry, chestnut, dogwood, hickory, oak, persimmon, walnut, and willow.