天牛类害虫对多种林果树危害性极大。近年来,我们依据虫害的发生特性,以成虫羽化、产卵、幼虫蛀食三个时期为防治重点,实施灾前综合治理,基本上控制了天牛对苹果、桃、杨等林果树枝干的危害。一、加强林木栽培管理。结合整形修剪,除去被害枝条,对受害严重的要及早更新,以减少虫源。如果7～8月 Tian cattle pests on a variety of fruit trees great harm. In recent years, based on pest occurrence characteristics, we focused on the prevention and control of adult emergence, spawning and larvae eradication, and implemented comprehensive pre-disaster management to basically control the growth of fruit trees and branches of apple trees, peaches and poplars The harm. First, to strengthen forest cultivation and management. Combined with plastic pruning, remove the victim branches, severe damage to the early update to reduce the source of insects. If 7 to August