自１９９２年以来，棉铃虫连续猖獗危害，发生严重；近几年抗虫棉大面积种植，明显降低了施药次数和危害程度；加之棉价下降，植棉面积锐减等因素，棉铃虫的生态环境及发生危害都产生了一些新特点，相应对棉田害虫的统计、预报、防治等也提出了一些新要求，笔者就一些体会整理? Since 1992, the bollworm has been continuously rampant and serious. In recent years, large-scale planting of insect-resistant cotton has significantly reduced the frequency and harm of pesticide application. Coupled with such factors as the drop in cotton prices and the sharp reduction in the area of ​​cotton bollworm, The ecological environment and the occurrence of hazards have produced some new features. Correspondingly, some new requirements have also been put forward on the statistics, forecasting and prevention and control of pests in cotton fields.