蝗虫是农业上的一大害虫,它为害玉米、小麦、水稻、高粱、谷子等多种作物。蝗虫的滋生漫延,成为我国历代农业上最大的自然灾害之一。远在两千六百多年前,我国就已经有关于蝗虫成灾的记载了。据不完全统计,两千多年来,历史上曾发生过八百多次蝗灾,每次蝗灾都毁灭大面积的庄稼,给广大劳动人民造成极大的灾难。 Grasshoppers are a major agricultural pest that infects crops such as corn, wheat, rice, sorghum and millet. The spread of locusts has become one of the largest natural disasters in agriculture in all previous generations in our country. As far away as more than 2,600 years ago, there have been records of grasshoppers in China. According to incomplete statistics, more than 800 locust plagues have occurred in history over two thousand years. Each locust plague has destroyed a large area of ​​crops and caused tremendous disasters to the working people.