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甘蔗害虫是影响甘蔗稳产高产的重要因素之一。我省沙、围田蔗区常受甘蔗钴心虫(包括条螟、黄螟、紫螟、二点螟四种)、绵蚜虫、黑色金龟子(俗称蔗龟)、粉介壳虫、蓟马等各种害虫为害,其中以甘蔗钻心虫、绵蚜虫和蔗龟的为害最重。由于甘蔗受多种害虫的为害,常常引致每亩减产500～1000斤。过去,防治甘蔗害虫,主要是用农药和人工。但由于各种害虫发生世代多,往往要多次施药。
Sugarcane pests are one of the important factors that affect the stable and high yield of sugarcane. In our province, the field of sugarcane in the sand and surrounding fields is often affected by the cobalt-beet wormworm (including the striped borer, the yellow-bellied borer, the yellow borer and the two-spotted borer), the cotton aphid, the black beetle A variety of pests, of which sugar cane borers, cotton aphids and sugar cane most damage. As a result of a variety of pests cane damage, often lead to 500 to 1,000 pounds per mu cut. In the past, the control of sugarcane pests, mainly pesticides and artificial. However, due to a variety of pests occur from generation to generation, often have to repeatedly spraying.