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前言天牛种类众多,危害普遍而严重,是树木钻蛀性害虫中的一个大类群。全世界已知约2万种以上,我国已有记载的约2千多种。由于种类不同其危害习性十分繁杂:有的危害树木根茎(如曲牙锯天牛、大牙锯天牛),有的主要危害树干下部(星天牛),也有危害整个主干的(云斑天牛),还有专危害枝条的(苹果筒天牛)以及危害新建房舍、仓库、包装用的木材(家茸天牛)等。光肩星天牛是杨树防护林带和四旁植树的毁灭性害虫;桃红颈天牛和桑天牛是果树生产的主要敌害。
Preface Tianzhu many species, the harm is widespread and serious, is a large group of tree borers pests. About 20,000 are known throughout the world and about 2,000 have been recorded in our country. Due to the different types of its harmful habits are very complicated: some endanger the roots of trees (such as the sawtooth sawtooth, Chamaejasme), some of the main harm the lower part of the trunk (Asterothorax), but also endanger the entire trunk ), As well as special harm to the branches (apple canopies) as well as endanger the new buildings, warehouses, packaging timber (House Velvet). Anoplophora glabripennis is a devastating pest of poplar shelterbelts and tree planting on all four sides; pink-necked crab and mulberry are the main predators of fruit trees.