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灰稻虱在仙居地区除可直接为害水稻造成粮食减产外，也是水稻黑条矮缩病等病毒病的主要传播媒介。自２０世纪９０年代以来，灰稻虱的种群数量不断上升，导致黑条矮缩病在本县再次暴发流行。药剂防治灰稻虱是目前控制黑条矮缩病的主要手段。９０年代由于长期单一地使用扑虱灵防
In addition to directly causing damage to grain yield in Xianju area, the main infestation of the disease is the blackhopper disease. Since the 1990s, the population of the gray hopper louse has been on the rise, leading to the re-emergence of black-streaked dwarf disease in this county. Pharmacy to control grayhopper is the main means of controlling black-streaked dwarf. 90’s due to the long-term single use of clenbuterol