土栖白蚁是我县杉木幼林的主要害虫之一,受害林木轻者针叶发黄,重者整株枯死,严重影响杉木幼林的速生丰产。岩头公社林场的杉木幼林,被土栖白蚁危害枯死的林木达8.2%。对土栖白蚁的防治,过去都 Soil termites are one of the main pests of young Chinese fir plantation. The harvested trees are yellowish in light of needles, and the whole plant is dead, seriously affecting the fast-growing and high-yielding of young Chinese fir plantations. Yantou commune forestry fir young forest, dead soil damage by soil termites reached 8.2%. Control of soil termites, the past are