花椒虎天牛是椒树的主要害虫，可造成椒树大量死亡，而且防治困难。作者２ 年观察研究，并通过解剖大量被害椒树表明，花椒虎天牛虫态重叠（幼虫、蛹、成虫、卵可同时存在），多为一年生 １ 代，危害以春季秋季明显，主要危害期为 １～３ 龄幼虫，此时该虫取食椒树基干部的韧皮部，中断输导组织，被害椒树根部吸收水分无法运往树叶，使椒树整株枯死。 Pepper tiger day is the main pest of pepper tree, can cause a lot of pepper tree death, but also prevention and control difficulties. The author 2 years of observational studies, and anatomize a large number of victims of pepper tree shows that the Zaohupeisseriosis state overlap (larvae, pupae, adults, eggs can exist), mostly annual 1 generation, endangering the fall of spring obvious, the main hazard 1 ~ 3 instar larvae, when the worm to take the phloem-based cadavers phloem, interrupted conduction tissue, the roots of the victim can not be absorbed moisture to the leaves, so that the whole tree dead.