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大袋蛾是八十年代我省的主要林未害虫。1988年发生面积达208万亩,每年有数万亩林木受害成灾。1988～1991年我省在毫州、卓阳、砀山等十个县(市)开展了综合防治工程项目,四年中通过加强虫情调查测报,实行分类施策、全面压低虫口、治点保面等策略,协调应用人工摘囊、喷洒或注射化学农药、扩大B.t、灭幼脲防治、改造泡桐“小老树”等多种措施,使其发生面积下降到1991年的20万亩,并通过专家组的现场验收。工程结束后,各地继续推行工程成果,坚持虫情测报,连续治点保面,
Sack moth is the main forest pest in the eighties. Occurred in 1988 an area of 2080000 acres, every year tens of thousands of acres of forest victims. From 1988 to 1991, the province carried out comprehensive prevention and control projects in ten counties (cities) such as Zhuzhou, Zhuoyang and Dangshan. In the past four years, we implemented a categorized policy to reduce insects, And other strategies to coordinate the application of artificial removal, spraying or injection of chemical pesticides, to expand Bt, mefenaphaloside control, the transformation of Paulownia “little old tree” and other measures to make its occurrence area down to 1991 200000 mus, And passed the expert inspection of the scene. After the completion of the project, all localities will continue to implement the project achievements, adhere to the test of insects,