利用赤眼蜂防治农林作物害虫,国内外都发展较快.我国已有二十六个省、市、自治区开展试验、示范和大面积应用于生产.赤眼蜂寄主范围广达215种.实践证明:此蜂目前在国内已对粮、棉、糖、果树、蔬菜、林业等农林作物十多种主要害虫均有良好的防治效果,生产上出现供不应求情况.为了改革繁殖技术,加速大量繁殖,以适应当前生产上迫切需要和 The use of Trichogramma repellent to control pests of agricultural and forestry crops has been growing rapidly at home and abroad .Twenty-six provinces, municipalities and autonomous regions in China have carried out experiments, demonstrations and large-scale application in production. It is proved that this bee currently has a good control effect on more than 10 kinds of major pests of crops such as grain, cotton, sugar, fruit trees, vegetables and forestry in the country and its production is in short supply.In order to reform breeding technology and speed up large-scale breeding, In order to meet the urgent needs of current production and