USDA APHIS PPQ, bugwood.org

Closeup Frontal View of Adult Female Asian Gypsy Moth

The gypsy moth (Lymantria dispar) causes widespread defoliation of forest trees in the eastern United States and is capable of causing outbreaks throughout the United States. Forest Service scientists are evaluating the effectiveness of pathogens in regulating pest populations that impact the health of forest trees and to optimize their use for forest management.