一九七九年,我县14万亩马尾松林遭受马尾松毛虫为害。其中为害较严重的有4万亩,致使大片松林死亡。如红星公社后岱大队5500亩受害松林中,有1000多亩松树基本上枯死。松毛虫的为害,不仅直接影响林业生产,也影响农业、人民生活和身体健康。 马尾松毛虫Dendrolimus Punctatus(Walker)是松毛虫属中分布最广的一个种,南北跨14个省区。它一般只为害马尾 In 1979, 14 million mu of Pinus massoniana forest in our county was damaged by Masson pine caterpillars. One of the more serious damage to 4 million mu, resulting in the death of a large piece of pine forest. Such as the Red Star Brigade after the battalion 5500 acres suffered pine forests, there are 1,000 acres of pine basically dead. Dendrolims damage, not only directly affect forestry production, but also affect agriculture, people’s lives and health. Dendrolimus Punctatus (Walker) Dendrolimus Punctatus (Walker) is the most widely distributed species of Dendrolimus, 14 provinces across the north and south. It generally only harm the horsetail