一、分布与危害桃蚜（桃赤蚜）即烟蚜，俗称莱蚜、腻虫等。属同翅目蚜科。挑蚜食性杂，寄主植物达350种以上。在棚室中主要为害甜椒、番茄、菠菜、甚等、小萝卜、小白菜和甘蓝等蔬菜，吸食叶片汁液，造成卷缩变形。大量分泌安召污染蔬菜。吸食叶片诱发煤污病。同时为害十字花科 First, the distribution and damage Peach aphid (peach aphid) that is, aphids, commonly known as Lai aphids, such as trematode. Homology Aphid family. Pick aphid feeding Miscellaneous, host plants up to 350 kinds of above. The main damage in the greenhouse sweet pepper, tomato, spinach, and so on, radish, cabbage and cabbage and other vegetables, smoking leaf juice, resulting in crimping deformation. A large number of secretion of pollution called vegetables. Smell leaves to induce coal pollution. At the same time harmful Cruciferae