通过田间采样和室内饲养观察表明，梨黄粉蚜生活周期为同寄主全周期型，在景泰地区年发生５～６代。以受精卵主要聚集在果苔帽下越冬，翌年春，日均温达９～７℃以上时，越冬卵始孵化，４月中至５月初为孵化盛期，末期持续至６月中、下旬。 Through the field sampling and indoor rearing observation, the life cycle of pear yellow aphid was the same as the host full-cycle type, occurring in the Jingtai region 5 to 6 generations. The main gathering of fertilized eggs under the cap in the mulberry winter, the following spring, the average daily temperature of more than 9 ~ 7 ℃, the winter eggs begin to hatch, mid-April to early May hatching peak, the end of the period until mid-June, late .