烟蚜又名桃蚜、俗称腻虫、蜜虫;是我省烤烟作物上的主要害虫,烤烟播种出苗至移栽大田生长期间均有烟蚜发生危害,严重地影响烤烟正常生长,在烤烟生长期间烟蚜发生,除刺吸烟草汁液外,还可传染多种病毒,分泌大量蜜露,污染烟草叶片,引起煤烟病,使烟叶变褐。发生危害严重时,产量损失和品质下降更为突出。为确保烤烟生产及品质的提高,安全、经济、有效地控制烟蚜对烤烟的危害,很有必要掌握烟蚜的发生、危害特点及防治技术措施。烟蚜寄主及虫源:烟蚜除危害烤烟外,其寄主范围十分广泛,主要寄主有十字花科,茄科、菊科、伞形科、藜科、葫芦科、豆科及果树桃、李、杏、梅、樱桃等;易受烟蚜危害的作物有油菜、白菜、青菜、甘兰、莲花白、花菜、茄子、菠菜、莴苣、芹菜、蕃茄、西葫芦和马铃薯等。春马铃薯 Myzus aphids, also known as peach aphids, commonly known as greyworms, honey insects; is the province of flue-cured tobacco crops on the main pests, flue-cured tobacco sowing to transplanting field growth during the occurrence of both aphids have a serious impact on the normal growth of flue-cured tobacco, During the occurrence of aphids, in addition to thorn smoking tobacco juice, but also can infect a variety of viruses, secretion of large amounts of honey dew, pollution of tobacco leaves, causing soot disease, the tobacco brown. Occurred serious harm, the loss of production and quality decline even more prominent. In order to ensure the production and quality improvement of flue-cured tobacco, and to control the harm of tobacco aphid to flue-cured tobacco safely, economically and effectively, it is necessary to know the occurrence and harm characteristics of the tobacco aphid and its technical measures. Host and insect aphid infestation: In addition to endangering flue-cured tobacco aphids, its host range is very wide, the main host crucifer, Solanaceae, Asteraceae, Chenopodiaceae, Cucurbitaceae, leguminous and peach fruit, plum Apricot, plum, cherry and so on. The crops susceptible to aphids are rape, cabbage, Chinese cabbage, cabbage, lotus flower, cauliflower, eggplant, spinach, lettuce, celery, tomato, zucchini and potato. Spring potato