今年东北春玉米主产区玉米螟平均百秆活虫数偏高,春玉米种植面积大、长势好,6月份东北、华北、黄淮部分地区降水偏多,预计一代玉米螟在黑龙江西南部、吉林大部大发生,黑龙江北部、辽宁、内蒙古中东部等东北大部及新疆伊犁偏重发生,河北东部、山东、河南、安徽、江苏等华北、黄淮大部中等发生,华北和西北其他地区、江淮及西南 This year the main producing areas of northeastern spring corn borer average number of 100 live corn borer is high, corn planting area, good growth, June northeast, north, Huanghuai some areas more rainfall is expected next generation corn borer in southwestern Heilongjiang, Most of Jilin occurred in northern Heilongjiang, Liaoning, Inner Mongolia and other northeastern most of the northeast and Xinjiang Ili emphasis occurred in eastern Hebei, Shandong, Henan, Anhui, Jiangsu and other North China, Huanghuai most occurred in central China and North China and other parts of Northwest China, JAC and southwest