红铃虫在我国是危害棉花最主要的害虫。解放十年来在党的正确领导下,通过系统研究结合大面积防治运动,已取得了显著的成效。特别是越冬期的防治,如东北棉区(辽宁),每铃虫数平均由零点三一头压低到零点零零七头,进一步徹底肃清即将实现。惟在发生代数较多的黄河流域棉区的南部、长江流域棉区和华南棉区,只进行越冬期的防治,还不能消灭红铃虫为害,必须结合 Red bollworm in our country is the most harmful pest to cotton. Under the correct leadership of the party over the past decade since the liberation, remarkable results have been achieved through systematic research in combination with a large-scale prevention and control campaign. In particular, the prevention and treatment of overwintering period, such as the Northeast Cotton Region (Liaoning), the average number of insects per boll dropped from 031 to 0707, and further thorough elimination will be realized soon. However, in the southern part of the cotton area where there are many algebra, the cotton fields in the Yangtze River valley and the cotton fields in South China only carry out the control over the winter and can not eliminate the damage caused by the pink bollworm and must be combined