小蠹科Scolytidae是重要的森林害虫,为害部位在树皮与边材之间,或在心材内部,前者俗名为树皮甲虫bark beetle,直接取食树皮,后者为食菌甲虫ambrosia beetle,与真菌共生,通过真菌消化木材纤维,获取能量。两者的种类数量约各占小蠹科的一半。在食菌甲虫中材小蠹属Xyleborus Eichhoff是其中最大的属,全世界约有1500种,分布于环球的热带区和亚热带区,我国 Sclereidae Scolytidae is an important forest pest, damage the site between the bark and sapwood, or within the heartwood, the former commonly known as the bark beetle bark beetle, direct feeding bark, the latter for the bacteria beetle ambrosia beetle, Symbiosis with fungi, digestion of wood fibers by fungi, gaining energy. The amount of both species account for about half of the small moths. Beetles Xyleborus Eichhoff is the largest genus in the grunt beetle, with some 1,500 species worldwide, located in the tropical and subtropical regions of the world,