Control insects in your garden with Pyrethrin Garden Insect Spray Concentrate. The active ingredient, pyrethrin, is a naturally occurring biodegradable insecticide that kills insects by targeting their nervous systems. Controlled insects include beetles, leafhoppers, ants, aphids, stink bugs, and more. Provides fast acting control against listed insects. Because it does not leave behind any objectionable residue, this product can be used on vegetables up to the day of harvest. Apply to vegetables, flowers, ornamental trees, and shrubs for total insect control. This concentrated solution arrives ready to mix with water. To use, mix with water according to product label instructions and apply to affected plants to insure thorough coverage of upper and lower leaf surfaces. For full use instructions, please see product label.