河南省安阳县和林县的一些社、队和科研部门,遵照毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的教导,利用七星瓢虫食蚜的特性,闯出了一条利用瓢虫防治棉蚜的新路。1973年,安阳县36万亩棉田,利用瓢虫控制蚜害达16万亩。林县东姚大队,从麦田兜捕瓢虫,适时放入棉田,截至五月底,未用一次农药,蚜株率控制在10％上下,卷叶率仅1～2％。而相邻的田块,连续药治三次,卷叶率仍达40％。实践证明,利用瓢虫防治棉蚜,既经济、有效,又方便、安全,大有可为。安阳县贫下中农总结了五大好 Some social groups and scientific research departments in He County, Anyang County, Henan Province follow the guidance given by Chairman Mao on the principle of “human beings always summarize experiences, discoveries, inventions, creation and advancement.” Insect aphid’s characteristics, the use of a ladybug to break through a new aphid control. In 1973, 360,000 acres of cotton fields in Anyang County, the use of ladybugs aphid control up to 16 million mu. Dongyue Brigade in Linxian County, grabbed the ladybug from the wheat fields and put it into the cotton fields timely. As of the end of May, pesticides were not used. The rate of aphid strains was controlled at about 10%, and the rate of curling up was only 1-2%. The adjacent plots, continuous medicine three times, the rate of curly leaves is still up to 40%. Practice has proved that the use of ladybug control cotton aphid, both economic, effective, convenient, safe, promising. Anyang poor poor middle peasants summed up the five good