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甘薯麦蛾(Brachmia trianella)是我省薯田主要害虫之一。据黄成裕等一九六○年报道,在闽东南沿海地区一般受害叶占65.2％,严重达81.3％。近年来我们在仙遊、福州、晋江等地调查,叶受害率一般也达50～70％。甘薯麦蛾在我省年发生8～9代,以8～9月发生量最多,为害最烈,分布遍及全省甘薯产区。
Brachmia trianella is one of the main pests in potato fields in our province. According to reports of Huang Chengyu et al. In 1960, 65.2% of the affected land in the coastal areas of southeastern Fujian accounts for 81.3% of the total. In recent years, we Xianyou, Fuzhou, Jinjiang and other places surveyed, leaf damage rate generally reached 50 to 70%. Sweet potato moth occurred in our province from 8 to 9 generations, with the largest occurrence in August to September, the worst damage, distributed throughout the province sweet potato producing areas.