实用生产技术推广 大面积开展稻田养鱼对提高淡水渔业产量有重要作用。然而人们首先关注的是其与农药治虫的矛盾及生态效应；农药残毒对农产品质量的影响也引起人们对传统耕作方式的质疑与反思。测定养鱼稻田中螟虫危害情况可以从宏观上评价养鱼对这一焦点问题的作用，进而为促 Practical production technology to promote large areas to carry out paddy fish farming to improve the production of freshwater fisheries play an important role. However, the first concern is the contradiction between them and pest control and ecological effects. The impact of pesticide residues on the quality of agricultural products also arouses people’s questioning and reflection on traditional farming methods. Determination of fish borer fish borer hazards can be evaluated macroscopically on the focus of this problem fish, and then to promote