近年来，遵化市小麦蚜虫发生为害严重，盛发期百茎蚜量一般可达15000头左右，最高的达28500头。由于防治期间药剂使用单一，致使麦蚜产生了抗药性，以致年年都造成不同程度的减产。为进一步提高防治效果，确保小麦高产，该市植保站于1997年引进了防治小麦蚜虫的新农药蚜青灵， In recent years, Zunhua wheat aphids serious damage occurs, Sheng fat hundred aphids generally up to about 15000, the highest of 28500 head. Due to the single use of the medicament during the prevention and treatment period, the wheat aphid has become drug-resistant, resulting in different degrees of yield reduction every year. In order to further improve the control effect and ensure the high yield of wheat, the plant protection station in the city introduced a new pesticide aphid green spirit against wheat aphid in 1997,