目前,国内外防治森林害虫正趋向以生物防治为主的综合防治。近年来,在毛主席革命路线指引下,一场“以菌治虫”的群众运动正在迅速发展。我国南方各省利用菌剂防治农林害虫取得了良好的成效,但在东北高纬度地区使用菌剂防治虫害报导尚少。我们于1972、1973年在大兴安岭开展了白僵菌和青虫菌对落 At present, the prevention and control of forest pests at home and abroad are going to the comprehensive prevention and treatment, which is mainly based on biological control. In recent years, under the guidance of Chairman Mao’s revolutionary line, a “mass-movement for controlling bacteria by bacteria” is rapidly developing. The southern provinces of our country use of fungicides to control pests in agriculture and forestry has achieved good results, but the use of fungicides in Northeast China at high latitudes reported little. We in 1972, 1973 in Daxinganling launched Beauveria bassiana and Coccidiosis