桔粉蚧是一种世界性的大害虫,寄主范围广,为害柑桔、柿、香蕉、葡萄和多种观赏植物。桔粉蚧通过吸取汁液对寄主植物造成直接或间接的为害。桔粉蚧大量取食可致植物叶片变形,枯萎直至脱落,同时其分泌的蜜露覆盖植物体表面,诱发煤烟病,从而影响光合作用,造成减产。 Citrus sinensis is a worldwide large pests, host a wide range of damage citrus, persimmon, bananas, grapes and many ornamental plants. Citrus mealybug infests host plants either directly or indirectly by drawing juice. Melania mesopense feeding can cause plant leaf deformation, wither until it falls off, while its secretion of honeydew cover plant surface, induced sooty disease, thus affecting photosynthesis, resulting in reduced production.