关键词: 长尾粉蚧, 生物学特性, 行道树, 防治

Abstract: Pseudococcus adonidum Geoffr is a serious insect pest living on the street tree in Xiamen. It occurs 5~6 generations a year. The nymphes hibernate on the back of the leaves and begin to appear in early March in the following year.The duration of insect egg is 6 days and that of adults 13 days. Spraying with 90%Diptere, 80% Boichlovos and 50% Phoximic gave the best results for controlling the nymphes.

Key words: Pseudococcus adonfdum Geoffr, Bionomics, Street tree