松突圆蚧(Hemiberlesia pitysophila Takagi)是近年来新发现的一种国內森林植物检疫害虫,主要危害马尾松林。据调查,1983年仅在与深圳、珠海相接壤的九个县(市)发生,面积171万亩,到1985已漫延至14个县316万亩,已造成大面积松林枯死,目前灾情仍在迅速发展,对我省林业生产已造成了严重威胁。为找出全面控制这种害虫的经济有效方法,在1985年春进行大面积地面防治试验的基础上,我们于1985年9月1—11日用运五型飞 Hemiberlesia pitysophila Takagi is a newly discovered domestic forest plant quarantine pest in recent years, which mainly endangered Pinus massoniana forest. According to the survey, in 1983 only occurred in nine counties (cities) bordering Shenzhen and Zhuhai, covering an area of ​​171 million mu. Since 1985, it has spread to 316 mu of 14 counties and has caused a large area of ​​pine forests to die. At present, the disaster is still Rapid development has caused serious threat to forestry production in our province. In an effort to find a cost-effective way to fully control this pest, on the basis of a large-scale ground-control trial in the spring of 1985,