猿叶虫又名黑壳虫、驼屎虫 ,有大猿叶虫和小猿叶虫两种。在我省大田以大猿叶虫发生为主。其成虫和幼虫为害油菜、白菜等十字花科作物。初孵幼虫仅食叶背和叶肉 ,长大后 ,咬食叶片 ,为害严重时 ,叶片仅剩叶脉。而菜田以小猿叶虫发生较多 ,常是点片集中为害 ,以上海青、黑白菜等 Also known as black worm beetle pests, camel shrimp, there are two large pests and small-headed monkeyptera. Daejeon in our province to the main occurrence of large-leaf-worm. Its adult and larvae damage rape, cabbage and other cruciferous crops. The newly hatched larvae only eat the leaves back and the mesophyll, when they grow up, they bite the leaves, and when the damage is serious, the leaves only have the veins. The vegetable field to the little monster leafworm occurred more often spot-focused damage to Shanghai Green, black and white dishes, etc.