介壳虫属同翅目,蚧科,体外包着蜡壳、蜡粉、蜡丝等。一般药剂较难透过蜡层,是在林木上发生较普遍且为害严重的害虫。其种类繁多,叶片、枝干、果实均可受害。被害叶片失去叶绿素;枝干受害后,表皮 Coccothra Homoptera, coccids Branch, body wax shell, wax, wax silk and so on. Generally difficult to penetrate the wax layer of pharmaceutical agents, is occurring in the forest more common and highly detrimental pests. A wide range of its leaves, branches, fruits can be harmed. Victims of leaf loss of chlorophyll; branches suffer after the epidermis