1982年第二代棉铃虫在山东、河北、河南省棉区大发生,山西、陕西、辽宁省以及江苏、安徽省北部棉区也比往年为害加重。据24个重点植棉县的资料统计,1982年第二代棉铃虫为大发生的占54.2%,中等偏重发生的占12.5%,中发生的占8.3%,中等偏轻发生的占16.7%,轻发生的占8.3%, In 1982, the second generation of cotton bollworm occurred in the cotton areas of Shandong, Hebei and Henan Provinces. The cotton mills in Shanxi, Shaanxi and Liaoning Provinces as well as the cotton moths in northern Jiangsu and Anhui Provinces also worsened than in previous years. According to the statistics of 24 key cotton counties, the second generation of cotton bollworms accounted for 54.2% of the cases in 1982, 12.5% ​​of the middle-heavier ones, 8.3% of the middle-born cotton bollworms, and 16.7% of the middle- Light occurred in 8.3%