松干蚧是马尾松、黑松、赤松和油松等松树的一种毁灭性害虫。由于它虫休微小,寄生部位分散且隐蔽,加之各虫态的发生时间又不整齐。因此,给防治工作带来一定的困难。目前,效果比较好的防治方法是,用内吸性的氟乙酰胺药剂,进行刮环涂干毒杀松干蚧的寄生幼虫(即在树干基部刮去树皮至韧皮部,使呈两个上、下错开而对称的半圆环,然后将氟乙酰胺药液涂刷于环上)。 Pinctada sinensis is a devastating pest of pine trees such as Pinus massoniana, Pinus thunbergii, Pinus tabulaeformis and Pinus tabulaeformis. Because of its small resting insect parasite scattered and hidden parts, coupled with the occurrence of each state is not neat. Therefore, to prevent some of the difficulties. At present, the effect is better prevention and treatment methods is to use the absorption of fluoroacetamide agents, to scratch the ring to dry to kill parasitic nematode tick scales larvae (ie, in the trunk of the base to scrape the bark to the phloem, so that the two up and down Staggered and symmetrical semi-circular ring, and then fluoroacetamide liquid brushing on the ring).