Sanitation is important. Remove rubbish and loose bark to reduce opportunities for moths to spend the winter. After spring bloom, monitor trees and remove and destroy any infected fruit. Clean up dropped fruit immediately. Other methods include bagging fruit, using pheromone traps and tree banding to catch larvae.
Chemical treatment is difficult to time accurately and is destructive to natural predators and bees.
Summer oils are a better choice, but more than one treatment is usually needed. Let us hear from you.