I IPM of Cruciferous Vegetables Minor Pests: Cutworms:black cutworm Agrotis ypsilon; Yellow striped flea beetles; Leaf-feeding Noctuids:cabbage armyworm, cotton leafworm,beet armyworm; ▣Vegetable bugs; 口cabbage webworm Hellula undalis(菜螟)； ▣Root maggots.. Ⅰ. IPM of Cruciferous Vegetables Minor Pests: ‰Cutworms: black cutworm Agrotis ypsilon; ‰Yellow striped flea beetles; ‰Leaf-feeding Noctuids: cabbage armyworm, cotton leafworm, beet armyworm; ‰Vegetable bugs; ‰cabbage webworm Hellula undalis (菜螟); ‰Root maggots