华北地区为害杨树的蚧虫有４科２９种，其中１４种可造成严重为害。以白杨派和青杨派树种受害较重；在不同林分中，以密度大、生长在不良立地条件上的中幼龄林受害最重。本文还给出了为害杨树的主要蚧虫田间识别检索表，并对杨树蚧害的防治提出了探讨性建议。 There are 4 families and 29 species of scale insects that damage poplars in North China, of which 14 species can cause serious damage. Among the different stand types, the middle-aged and young-aged forests that are densely populated and grown in poor site conditions suffer the most. This article also gives the identification of the main scarab poplar field to retrieve the table, and put forward some suggestions for prevention and control of poplar scale damage.