Tree Spray Oil: It is highly refined miscible oil that when mixed with water and sprayed on trees will smother overwintering insects and their eggs. Neem Oil: As insecticide, it works as a systemic repellent when applied to mites and used to manage over 200 other species of chewing or sucking insects. Silicon Spreader & Sticker: It is a superior wetting agent, developed to improve the wetting, spreading and penetration of chemicals. It improves the efficiency of any product by 30%. Disinfectant: It is a chemical liquid that destroys bacteria.