Monterey Once A Year Insect Control II 128oz Used as a soil drench on ornamental trees, shrubs and certain fruit and nut trees Controls adelgids, leaf beetles, leafhoppers, mealy bugs, scale, whiteflies, borers (including the Emerald Ash borer) and many others Gives a full year of control No spraying, just use around the roots as a soil drench for full season insect control