近年来,天牛在甜樱桃园发生逐渐加重,特别是一些周围有杨树、香椿、榆树等防控林、经济林的果园,受害尤为严重。被害株率高达90%以上,单株虫口最多可达20余个。轻者造成树势衰弱,或产生流胶,严重时造成大枝或全树死亡,给大樱桃生产带来了极大危害。 In recent years, the beetles have gradually taken place in the sweet cherry orchard. In particular, some control and control forests such as poplars, cedars and elm trees and the orchards of economic forests have been particularly affected. Strain rate was as high as 90%, up to more than 20 per plant population. Caused by the light tree weak, or produce plastic flow, resulting in serious death of large branches or whole tree, to the great cherry production has brought great harm.