Plutella xylostella also known as the diamondback moth, sometimes called the cabbage moth is a very destructive pest. The diamondback moth lays its eggs only on plants in the family Brassicaceae. Nearly all cruciferous vegetable crops are attacked, including: Broccoli, Brussel Sprouts, Cabbage, Chinese Cabbage,Cauliflower, Collard greens, Kale, Kohlrabi, Mustard, Radish. Pheromone lures contain highly concentrated, natural identical insect sex pheromone, attracting male target pests by emitting pheromone into the air. This way the males are trapped and killed.