笔者在1974—1977年3年间在美国威斯康星大学昆虫科,从事松叶蜂选择性摄食阻碍物质的研究。在北美特别是五大湖周围地区,松叶蜂的危害极大,也发生在人工林和其它松林中。在防治上,用现有的杀虫剂尚未确定喷射方法,从环保及经济等侧面来考虑,对药剂防治几乎尚未着手研究。为寻求既不污染环境又 The author in the 1974-1977 three years at the University of Wisconsin Department of Entomology, pine bumblebee selective feeding inhibitor substances. Pine needles are extremely harmful in North America, especially around the Great Lakes, and also occur in plantations and other pine forests. In the prevention and control, with the existing insecticide has not yet determined injection method, from the environmental and economic aspects to consider, almost no study on the prevention and treatment of pesticides. To seek neither pollute the environment nor