山核桃天社蛾是山核桃树的重要害虫之一,过去对该虫多采用农药防治,不仅污染环境、杀伤天敌,而且随着害虫抗性提高,常发生害虫周期性暴发。为了推广生物防治技术,我们与昌北林业站协作,在山核桃天社蛾第一代卵期进行了释放赤眼蜂防治试验。蜂卡购自余杭县长乐林场,寄主卵新 Hickory perennial moth is one of the important pests of pecan tree. In the past, more insecticides were used to control this pest, which not only polluted the environment and kills natural enemies, but also periodically occurred pests as pest resistance increased. In order to popularize biological control technology, we cooperated with Changbei Forestry Station to release the Trichogramma prophylaxis test in the first generation oviposition stage of Hokjiaomarospira. Bee cards were purchased from Yuhang County Changle Forest Farm, the host egg new