烟蚜(Myzus Persicac Sulzer)俗名腻虫,是我省烤烟上的主要害虫。烤烟苗期和大田期均能被害,尤以大田期为害重。被害烟株,成虫、若虫群集嫩头、叶背吸食植汁,致使烟株根系发育不良,生长停滞;被害重的叶片往往卷缩萎垂;由于蚜虫排泄的蜜露使叶片变褐,熏烤后无光泽,性脆易破碎, Myzus Persicac Sulzer is a common pest of tobacco in our province. Flue-cured tobacco can be killed in the seedling stage and in the field, especially in the field. Tobacco plants, adults, nymphs clustered tender, leaves back smoking plant juice, resulting in poor growth of tobacco roots, growth stagnation; victimized leaves tend to crimp down; as honeydew excreted by aphids so that leaves brown, smoked roasted After dull, brittle and easily broken,