Captain Jack’s Deadbug Brew? contains spinosad, a product first isolated from a naturally occurring soil-dwelling bacterium. Deadbug Brew? kills bagworms, borers, beetles, caterpillars, codling moth, gypsy moth, loopers, leaf miners, spider mites, tent caterpillars, thrips and more! Use on fruits, vegetables, berries, citrus, grapes, nuts and ornamentals.