ACECAP Systemic Tree Implants control a broad range of destructive pests of ornamental trees. The treatment will provide season-long control of many insects, including Aphids, Bagworms, Borers, Budworms, California Oak worm, Cankerworm, Case bearer, Elm Leaf Beetle, Gypsy Moth and more. Best used for trees 4″ diameter and greater. 10 implants will effectively treat up to a 14″ trunk diameter. They provide season-long control with 12 to 18 weeks residual in deciduous trees and up to a year in evergreens. Contains 99 percent acephate, a highly effective systemic insecticide for broad-spectrum insect control.