This causes the tips to wilt and die back. Once the branch tips harden, the caterpillars feed on the fruit. While in the fruit and twigs, caterpillars are protected from insecticides. Good early season control of adult moths using insecticides will often provide control for the entire season. There are a few things that homeowners can do to decrease insect problems on peach trees.
Proper sanitation can reduce insect pests significantly.
This includes quickly removing and destroying dead, diseased and damaged wood and fruit. The leaves, wood and fruit can provide pests with places to complete their development or to survive the winter. Adequate insect control on peaches usually requires spraying trees. Sprays need to be timed accurately to be effective. As with any pesticide, read and follow all label directions and precautions.