I saw a lot of leafrollers on ornamental plants including wild roses, snow berries, chokecherries, Saskatoons, dogwood, Oregon grapes etc. this spring. As their name implies, leafrollers are caterpillars that roll up leaves. The leaves provide a home, food, and some protection from predators and parasitoids. The caterpillars are greenish to yellowish, have dark heads … Continue reading The Leafrollers and the Wasp Enemies