The Safer Brand tomato and vegetable insect killer combines the effectiveness of pyrethrins and potassium salts of fatty acids and kills on contact but does not harm your plants. Targets and kills aphids, asparagus beetles, bean beetles, cabbage loopers, caterpillars, Colorado potato beetles, cucumber beetles, diamond-backed moth, flea beetles, imported cabbage worms leaf hoppers, plant bugs, tomato hornworm and whiteflies.