this insecticide kills on contact. It controls Whiteflies, Aphids, Thrips, colorado Potato Beetles, Potato Leafhopper, Mites, Mealybugs, Scales and more! May be used up to and including the day of harvest. It's designed to work and then decompose safely into the soil. Made with biological oils so sale that it can be used around pets, kids and wildlife. The orbital sprayer feature enables easy upside-down spraying for recommened under-leaf coverage.