Natural Guard Spinosad Soap Concentrate is specially formulated to protect vegetable gardens against the listed insects. It features a powerful combination of Potassium Salts of Fatty Acid and Spinosad which effectively control foliage-feeding pests to prevent them from damaging the produce. Its fast-acting formula provides excellent control and kills insects such as spider mites, caterpillars, leafminers, beetles, Japanese beetle and Colorado potato beetles on contact. It starts working within minutes after application. It is recommended to be applied at 7-day intervals, or as needed.