甘薯天蛾Herse convolvuli Linn’e又名旋花天蛾,幼虫俗称花豆虫,属鳞翅目、天蛾科,分布广,为间歇性发生的一种害虫。 建国以来,我区曾未有甘薯天蛾发生为害的记录,1994年在我区首次大暴发,据田间调查观察,甘薯天蛾在我区一年发生三代,第一代发生在6月下旬至7月中旬,第二代发生在7月下旬至8月中旬, Herse convolvuli Linn’e also known as the Convolvulus, larvae commonly known as flower bean insects, Lepidoptera, Lepidoptera, widely distributed as a pest occurs intermittently. Since the founding of the People’s Republic of China, there have been no recorded records of occurrence of sweet potato moth in our area for the first time in a large outbreak in 1994. According to the field survey, sweet potato moth occurs in our district for three generations a year, the first generation occurred in late June to In mid-July, the second generation occurred in late July to mid-August,