松干蚧是松树的一种重要害虫,由于虫体小,形态特殊,一生中大部份时间营隐蔽寄生和寄生部位极分散,给防治工作带来一定的困难。尽管如此,近几年来我省的松干蚧防治工作还是取得了一定的成绩。如推广了用氟乙酰胺以打孔注药的方法对日本松干 It is a kind of important pest of pine tree. Because of its small size and special shape, it is very scattered in the camp for most of the time, which brings some difficulties to the prevention and control work. In spite of this, in our province, the prevention and cure of pine cercariae have achieved some success in recent years. Such as promoting the use of fluoroacetamide perforated injection method of Japanese pine dry