What are winter moth caterpillars?
Winter moth caterpillars eat holes in the leaves, blossom and developing fruitlets of many tree fruits, ornamental trees and shrubs. Severe attacks can weaken plants. Extensive damage to fruit trees can affect crop yields and quality. The main fruit trees attacked are apples, pears, plums and cherries. Many ornamental trees are attacked as well, including oak, sycamore, hornbeam, beech, dogwoods, hawthorns, Sorbus spp, roses, hazels and elms.
