随着酥梨套袋面积的增加,入袋黄粉虫的为害也随之增加,且受害面积和受害率每年均呈上升趋势,经济损失很大,生产上应引起重视。1 生活习性 黄粉虫1年发生8～10代,以卵在果台、树皮裂缝、翘皮下或枝干上越冬。翌春梨树开花期卵孵化为干母,若虫于翘皮下嫩皮处刺吸汁液,羽化后繁殖,在陕西蒲城6月下旬开始向果上转移,7 With the increase of bagging area of ​​pear, the damage of bagged Tenebrio molitor also increases, and the area and the victimization rate of the infected baggants are on an upward trend every year. The economic losses are great and the production should pay attention. 1 habits Tenebrio 1 year 8 to 10 generations to eggs in the fruit, bark cracks, tilting under the skin or stems on the winter. In the next spring pear blossom hatching as dry mother, nymphs in the skin under the skin sucking sucking juice, emergence and reproduction, Shaanxi Pucheng in late June began to transfer fruit, 7