GIVE A FAMILY OF GREAT TITS A HOME IN YOUR ORCHARD! and they will pay you back by eating the insect pests.

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1784073 describes experiments with nest boxes for Great Tits in orchards, These showed that attracting the breeding Great Tits to the orchards considerably reduced the caterpillar damage on the fruit trees and therefore helped to increase the fruit crop.