1　白蚁为害概况　　五针松古树林是稀有珍贵古树名木 ,共有 47棵 ,集中分布在柳州市三江县岜团村西北面的一座约 0 .67公顷的土岭上 ,海拔10 5 0 m。经初步调查 ,白蚁危害有 3大特点 :一是蚁害种类较多 ,主要有黄翅大白蚁、黑翅土白蚁、台湾泌乳白蚁 (俗称家白蚁 )等 ;二是危 1 termite damage profile Five needle pine trees are precious rare ancient trees, a total of 47, concentrated in Sanzhou County, Liuzhou City, a group of village northwest of about 0.67 hectares on a ridge, elevation 105 m . After preliminary investigation, there are three major characteristics of termite damage: First, there are more types of ants, mainly yellow-winged termites, black-winged termites, Taiwan termites (commonly known as home termites), etc .; the second is the danger