Bonide Captain Jacks Dead Bug Brew 16 ounce concentrate contains Spinosad. Captain Jacks Dead Bug Brew kills bag worms, borers, beetles, caterpillars, codling moth, gypsy moth, loopers, leaf miners, spider mites, tent caterpillars, thrips and more. Kills insects on vegetables, berries, citrus, grapes, nuts, and ornamentals. This product arrives as a concentrate that needs to be mixed before application. Captain Jacks Dead Bug Brew is made for organic gardening and safe for indoor gardening.