家白蚁是土木两栖白蚁,常在树木里筑巢,蛀蚀树木使其内部空枯而死,还通过修筑地下隧道向四周蔓延,危害附近的建筑物。这是家白蚁危害的一个重要特点。我们在防治白蚁工作中往往注重于建筑物,而忽视了对建筑物附近树木蚁巢的防治,因而使防治效果受到一定影响。树木的蚁巢,也和其他建筑物内蚁巢一 Termites are termed amphibious termites. They often build nests in trees, lick the trees and cause them to empty and die. They also spread through underground tunnels and endanger nearby buildings. This is an important feature of termite damage. In the termite control work, we often focus on buildings, and neglect the prevention and control of the ant nests near the buildings, thus affecting the control effect. The nests of trees are also nested in other buildings.