One of the gypsy moth’s favorite trees, the white oak, along with the moths themselves: The male is dark, the female, light.
Tree photo by J.S. Peterson @ USDA-NRCS PLANTS Database, leaf by Paul Wray, Iowa State University, Bugwood.org, gypsy moth by USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org | Forestryimages.org