Here are some High-Quality Chemical products for the Management of Diamond Back moth . Buy Best Quality Agri products online at BigHaat. BigHaat Provides 100% genuine Chemical products for the Management of and Best Quality Agricultural products Online.The diamondback moth Plutella xylostella feeds on plants in the family Cruciferae, including almost all cruciferous vegetable crops. It is the most destructive pest of crucifers in the world. Plant damage is caused by larval feeding. Individual larvae can only cause limited damage but many larvae may infest a single plant and many of the cruciferous crops that P. xylostella infests can only be marketed if they are essentially undamaged.