一、前言为了进一步满足会社主义建设对木材的日益需要,30多年来,不但在海南岛沿海的1500多公里长的海岸线,成片营造了以木麻黄为主的防护林及桉树用材林共300多万亩,迄今生长都良好,部分已开采利用。另外,在尖峰岭、坝王岭及吊罗山等主要林区,营造了以母生,花梨、柚木、绿楠等珍贵树种的人工林共7万多亩,大多数已成林或成片趋于郁闭。随着人工林面积不断扩大,虫害问 I. Preface In order to further meet the increasing need for timber for the construction of clubs, more than 3 million Chinese-made shelterbelts and eucalyptus timber forests have been built in more than 30 years not only on the coastline of more than 1,500 km along the coast of Hainan Island Mu, so far growth is good, some have been exploited. In addition, in Jianfengling, Damwangling and Diaoluoshan other major forest areas, to create a mother, pear, teak, green wood and other precious tree species of a total of 70,000 acres of plantations, most of the forest or into a film Tends to be closed. As the plantation area continues to expand, insect pests ask