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桑白盾蚧Pseudaulacaspis pentagona(Tar-gioni-Tozzetti)属同翅目、盾蚧科、白盾蚧属,是桃、李、杏、梅、樱花、桂花、山茶、女贞、丁香、青桐、白蜡、桑、朴、榆、榉、构树等多种树木枝干部重要害虫。由于它食性很杂,寄主广泛,繁殖力强,波兰、罗马尼亚、苏联曾将该虫列为检疫对象。其若、成虫寄生在枝干上,吸吮汁液,严重时整枝盖满,妨碍树木生长,影响树势,以致逐渐枯死。作者于1978—1980年对此虫进行生物学特性观察及其天敌调查。
Pseudaulacaspis pentagona (Tar-gioni-Tozzetti) is a Homoptera, Dioscorea family, white toadstool is a peach, plum, apricot, plum, cherry, osmanthus, camellia, privet, clove, chloris, wax , Mulberry, Park, elm, beech, trees and other tree branches and other important pests. Due to its complex feeding habits, extensive host, and strong reproduction, Poland, Romania and the Soviet Union once classified the insect as a quarantine object. Its if, adult parasitic on the branches, sucking juice, severe pruning covered, hinder the growth of trees, affecting the tree potential, and gradually died. The author observed the biological characteristics of this insect and its natural enemies from 1978 to 1980.