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房山城关地区作为老城区,城市街道的行道树以及周边的附属单位、居民小区树种主要是以国槐、龙爪槐等为主。近几年来,国槐小卷蛾在房山城关地区的危害范围不断扩大,呈现出扩散加快、点多面广、危害严重的发展态势。因此,用科学地方法综合防治该虫害发生,便成了做好树木养护工作的重中之重。针对2009年房山城关地区国槐小卷蛾危害严重问题,我们于2010年～2011年加强了植保防控力度,对其进行观测,并采取综合防治措施,有效控制了国槐小卷蛾对国槐、龙爪槐等树种
Fangshan Chengguan area as the old city, the city streets of the tree and the surrounding affiliates, residential community tree species mainly Sophora japonica, Longjuhuai mainly. In recent years, the Lesser Sophora japonica in Fangshan Chengguan area continues to expand the scope of harm, showing accelerated proliferation, point wide and serious harm to the development trend. Therefore, with the scientific approach to comprehensive prevention and control of the pest, it has become a top priority of conservation work in trees. In 2009 Fangshan Chengguan area Sophora sclerotiorum serious harm to the problem, we 2010-2011 to strengthen the intensity of plant protection and prevention, to observe it, and take comprehensive prevention and control measures to effectively control the Sophora japonica Thunbergii on the country Huai, Long Claw tree and other species