An effective insecticide that can be applied to the roots of large trees that cannot be effectively sprayed. 12 month protection in one application. Protects the entire tree or shrub – especially new growth. Systemic rainproof protection in one application. Kills devastating pests like adelgids, borers, emerald ash borers, Asian Longhorned Beetle, leafminers, Royal Palm Bugs, Elm Leaf Beetles, Leafhoppers, scale, adult Japanese beetles and many more. No spraying – simply mix and pour at the base of the tree or shrub. Active ingredient Merit. 32oz size. Apply 1oz of concentrate for every inch of circumference of the tree, as measured at chest height. One 32oz bottle will treat a tree with a trunk circumference of 32 inches.