近年来,我区开展了全区森林病虫普查工作,初步查清了我区主要树种的主要病虫害种类、分布。危害程度、主要天敌昆虫种类及其利用价值。对制订防治措施、促进科研和教学的发展,具有重要意义。同时,也反映了由于不适当地采用广谱性化学药剂防治,破坏了森林生态平衡、致使森林头号害虫— In recent years, our region has carried out the work of census of forest diseases and insect pests in our region, and has initially identified the main pests and diseases types and distribution in the main tree species in our district. The degree of harm, the main natural enemy insect species and their use value. It is of great significance to formulate prevention and control measures and promote the development of scientific research and teaching. At the same time, it also reflects that due to the inappropriate use of broad-spectrum chemical control and destruction of the ecological balance of forests, resulting in the forest’s top pest -