湖南省昆虫学会、湖南省林业厅森保局联合召开的湖南省森林害虫综合防治学术讨论会,于1986年10月在慈利县举行。会议通过回顾和讨论,认为近几年来,我省森林害虫综合防治工作取得了显著成绩。浏阳县社港、沙市、北盛地区十多年来采取封山育林措施,使14万亩纯松林改变了林相结构,林内植物、昆虫种类增加,气候和土壤条件改善,松毛虫暴发周期延长,灾情减轻。生物防治发展迅速,白僵菌全省每年用量90吨左右,赤眼蜂应用面积大大扩展,提高利用病毒防治松毛虫和松毒蛾,利用肿腿蜂、斑头陡盾茧蜂防治杉天牛、松墨天牛,也 Hunan Entomological Society, Forestry Department of Hunan Province, Forest Protection Bureau jointly held a symposium on forest pests in Hunan comprehensive prevention and control, in 1986 October in Cili. The meeting reviewed and discussed that in recent years, the comprehensive prevention and control of forest pests in our province has made remarkable achievements. For more than 10 years, Liuyang County’s Sheanggang, Shashi and Beisheng areas have adopted the measures of closing hillsides to facilitate afforestation, which has changed the forest facies structure of 14 million mu of pure pine forests, increased plant species and insects, improved climate and soil conditions, extended periods of dendrolimus and disaster relief. The rapid development of biological control, the annual consumption of Beauveria bassiana 90 tons around the country, Trichogramma greatly expanded the application area, improve the use of the virus control pine caterpillars and pine moths, the use of swollen legs beetle, Monochamus, also