Natural Guard CATERPILLAR KILLER SPRAY WITH BT RTUCaterpillar Killer Spray with Bt is a natural, biological insecticide. Non toxic to humans, pets and beneficial insects. Use on Vegetables, Fruits, Ornamentals and Shade Trees to control leaf chewing worms like Tomato Hornworm, Gypsy Moth, Cabbage Looper, Tent Caterpillar, Imported Cabbage Worm, Bagworms and others list on label. Formulation: Bacillus Thuringiensis 9. 83% *Formerly Hi Yield Thuricide Brand Natural Guard Size 32 oz UPC Number