建国以来,我区的森林病虫害防治工作,在各级党委和政府的重视和领导下,由于业务部门及全体森保工作者的努力,取得了很大的成就,特别是党的十一届三中全会以来,有了更大的发展。防治面积由小到大。1966年前全区年平均防治面积为43.6万亩次,1980年～1983年年平均防治面积达241万亩次,为1966年前的5.6倍。象白桦尺蠖、春尺蠖、落叶松鞘蛾等灾害性害虫,在部分地区基本得到控制。防治种类由少到多。初期只对落叶松球果、白桦尺蠖几种害 Since the founding of the People’s Republic of China, great achievements have been made in the prevention and control of forest pests and diseases in our region under the great attention and leadership of party committees and governments at all levels and through the efforts of business units and all forest protection workers. In particular, the third, Since the plenary session, there has been even greater development. Prevention area from small to large. Before 1966, the average annual prevention and control area in the region was 436000 mu. From 1980 to 1983, the average control area reached 241 million mu, 5.6 times of that before 1966. Some bane pests, such as birch feet, spring feet, and larch shell-lined moths, were basically controlled in some areas. Control types from less to more. Early only larch cones, birch feet 蠖 several kinds of harm