Safer® 5085 Tomato & Vegetable Insect Killer, RTU, 32 OzThis Tomato and Vegetable Insect Killer combines pyrethrins and potassium salts of fatty acids to kill a variety of garden insects on contact. The pyrethrins attack the insects nervous system and the potassium salts of fatty acids weaken the insects protective outer shell causing them to dehydrate and die. OMRI Listed and compliant for use in organic gardening, this insect killer can be used on a wide array of garden vegetables. Apply every 7 10 days