今年夏季,我区普遍缺雨干旱,各种林木害虫相继发生,活动猖獗,危害严重,许多害虫进入越冬前,尤其是在秋季,还在活动和继续危害林木。即使到了初冬,它们也会采取各种形态和越冬方式隐藏起来,等待明春“东山再起”,继续危害林木。因此,应根据害虫的特性和活动规律,积极开展灭虫工作。下面简要地谈谈几种防治方法:一、对越冬前的害虫防治1.根据不同种类的害虫, This summer, there is a general lack of rain and drought in our area. Various forest pests have been successively carried out, activities are rampant and endangering. Many pests are still active and continue to endanger trees before winter, especially in autumn. Even in the early winter, they will adopt various forms and wintering ways to hide themselves. They are waiting for the “comeback” in the spring and continue to endanger the trees. Therefore, we should actively carry out the work of pest control according to the pest characteristics and activity rules. The following briefly talk about several control methods: First, the pre-winter pest control 1. According to different types of pests,