论文部分内容阅读
近年来糖槭蚧对阿勒泰地区人工林造成的危害日益突出,该害虫在该区1年发生1代,以若虫在树干和枝条表皮下越冬。成虫5月下旬开始活动为害,8月下旬或9月上旬开始在树皮、树枝和针叶上越冬。根据调查总结出了该害虫在本地区不同程度的为害特点,并提出防治措施。
In recent years, sugar maple insects on Altay plantation caused by the increasingly prominent harm, the pest in the area 1 year occurred in 1 generation, nymphs in the trunk and branches of the winter under the epidermis. Adults start activities in late May, beginning in late August or early September in the bark, branches and needles overwintering. According to the survey summed up the pests in different parts of the region of the pest damage characteristics and proposed prevention and control measures.