Tree Tangle Foot Pest Barrier is an extremely sticky, non-drying, natural resinous compound that entangles and traps crawling insects. When applied in a continuous band around the trunks of trees, it then creates a physical barrier that prevents insects from reaching the leaves, buds, and fruits. Tangle Foot is an excellent choice for the control of leaf cutter ants. Tangle Foot is a all natural, non-toxic does not dry out. Affects insects such as ants, earwigs, cockroaches,and cankerworms. Do Not apply directly to bark of young trees.