稻绿刺蛾(Parasa sp.),俗称禾辣蛆或辣椒蛆,在容县山区的石头、松山、灵山等公社,桂平县的罗秀、沙坡等公社是为害水稻的重要害虫之一。每年发生两次为害,一次在5月下旬至6月上、中旬为害早稻,发生面大,为害重;另一次在9月上旬至10月中旬为害晚稻,发生面小,为害较轻。禾蔸被害后严重时叶片被全部吃光,只剩下光秃的穗株,严重影响光合作用,降低千粒重,造成减产。发生面积,一般年约占公社面积5—10％,严重年约占20—30％。但是过去未见有该虫为害水稻的报道,遵照毛主席关于“灭虫保苗”的教导, Parasa sp., Commonly known as Wo spicy maggot or chilli maggot, is a commonest commune in Stone Mountain, Songshan Mountain and Lingshan Mountain in Rongxian County, and Luo Xiu and Sha Po in Guiping County are one of the major pests that damage rice. Occurred twice a year damage, once in late May to June, mid-early damaging early rice, the occurrence of large, heavy damage; another in late September to mid-October damage late rice, the occurrence of small, less harmful. Grasshopper severe damage after the leaves were all eaten, leaving bare bare plants, seriously affecting photosynthesis, reduce 1000-grain weight, resulting in reduced production. Occurred area, generally accounts for about 5-10% of the commune area, severe years accounted for about 20-30%. However, in the past, there was no such report that the pests were damaging to rice. In accordance with Chairman Mao’s teaching on pest-killing and seedling preservation,