菜蚜是我区蔬菜的重要害虫之一。除直接造成为害外,还能传播多种蔬菜病毒病。而后者造成的损失和危害性往往超过蚜害本身。化学药剂仍是治蚜的重要手段。但到目前为止还没有一种理想的药剂和方法,能把蚜虫消灭在迁飞传毒、试探取食之前。为了寻找新的防治途径,国外正在研究一种蚜虫忌避剂,目前还处于试验阶段。利用物理方法避蚜防病,国内外已 Vegetable aphid is one of the important pests of vegetables in our district. In addition to causing harm directly, but also spread a variety of vegetable virus disease. The latter caused more damage and harm than the pest itself. Chemical agents are still an important means of treating aphids. But so far there is no ideal medicine and method to eliminate the aphids before moving to poison and testing for food. In order to find a new way of prevention and control, aphids are being studied abroad, which is still in the experimental stage. Use physical methods to avoid aphids disease prevention, both at home and abroad