高粱蚜虫在我省原为间发性害虫,前些年每隔5年有1次大发生。1961年以来,由于全面推广1059等有机磷农药,以及高粱品种更新等因素的影响,蚜虫大发生的频率迅速提高,差不多每隔1～2年就大发生1次。特别是由于蚜虫抗药性的增强及 Sorghum aphids in the province was originally an intermittent pest, a few years ago, every 5 years a major occurrence. Since 1961, due to the full promotion of organophosphorus pesticides such as 1059 and the renewal of sorghum varieties, the frequency of occurrence of aphids has rapidly increased, almost once every 1 to 2 years. Especially due to the enhanced aphid resistance and