甘薯天蛾属鳞翅目，天蛾科，又名旋花天蛾，是一种间歇性暴发害虫，可转移危害，在阜阳地区一年发生2代，主要以幼虫食害甘薯的嫩茎和叶。食叶时，自叶缘开始咬成缺刻，常残存叶柄。严重时，将叶片和嫩茎吃光，对产量影响较大。据我站1994年测定，凡8月中旬叶片被吃光的甘薯， The sweet potato Moth genus Lepidoptera, Moth family, also known as Convolvosa, is an intermittent outbreak of pests, can be transferred to the hazards of occurrence in Fuyang area 2 generations a year, mainly to larvae eat sweet potatoes stems and leaves . Leaves, since the brim began to bite into nicks, often remnants of petioles. In severe cases, the leaves and tender stems eaten, a greater impact on the yield. According to my station measured in 1994, where in mid-August leaves were eaten sweet potato,