Silken threads are spun from branch to branch. When trees are shaken they spin down and hang by a thread. They hatch in 1 month. They feed for about a month then spin to the ground to start their pupal stage. Male are dull gray flyers with a wingspread of 2.5 cm.
Females are wingless and crawl into trees to mate.
Apple trees and other Fruit trees, Elm, Oak, Hickory, Maple and many other shade trees. Leaves are skeletonized. Cultivating around trees may kill pupae in late fall. Trap female moths into a sticky substance, banded around the trunk of trees in late fall. Use Fruit-Guard on Fruit trees and Latox on Ornamentals.