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1981年9月20至10月2日,挪威林业研究所森林昆虫研究员,彼得·布特维格(PeterBotterweg)博士,应林业部邀请,到我国进行了参观访问。在华期间,彼得·布特维格博士参观访问了北京、辽宁、黑龙江三省市的科研和教学单位的实验室、试验场及自然保护区,并在东北林学院作了“挪威森林害虫和利用外激素防治云杉八齿小蠹”的学术报告。现简介如下: 挪威的主要树种是云杉、欧洲赤松和白桦。主要害虫有云杉八齿小蠹、松六齿小蠹、松重齿小蠢、松尺蠖、松夜蛾、松黄叶蜂和松大象鼻虫等。近几年由于云杉八齿小蠹大发生,木材损失量达500万立方米。挪威林业研究所集中力量研究此虫的防治对策。取得了很大的成绩。他们防治小蠹的对策分为长远对策和目前防治方法。
From September 20 to October 2, 1981, the Forest Insect Researcher at the Norwegian Forestry Research Institute, Dr. Peter Botterweg, visited our country at the invitation of the Ministry of Forestry. During his stay in China, Dr. Peter Bouvetha visited laboratories, experimental sites and nature reserves of scientific research and teaching units in three provinces and municipalities of Beijing, Liaoning and Heilongjiang Provinces and made a speech at the Northeast Forestry College The use of pheromones to control Spruce (Pinus) small beetles "academic report. The brief introduction is as follows: Norway’s main tree species are spruce, European pine and white birch. The main pests are spruce Beetles Beetle, pine six small Beetles, loose teeth small stupid, pine bream, pine, moths and pine elephant weevils and so on. In recent years due to spruce Beetles occurred, the loss of wood amounted to 5 million cubic meters. Norwegian Forestry Research Institute focused on the prevention and treatment of this pest. Has made great achievements. Their response to beetles is divided into long-term solutions and current prevention and treatment methods.