Safer brand caterpillar killer. Effective method of eliminating the garden or field of the tomato hornworm without environmental concerns or harm to beneficial insects. Kills caterpillars, gypsy moth larvae, worms and cabbage loppers. Can be used up until day of harvest. Contains bacillus thuringiensis var Kurstaki-98.35%. Use this product to defend your garden or hydroponics grow from caterpillars.