Preliminary observation on damage and occurrence of lawn pests in Shanghai.
Author of the article:CHANG Ping-Hua1,LI Yue-Zhong2
Author's Workplace：1.(Shanghai Gardens and Forestry Engineering Company, Ltd., Sh anghai 201400), 2.(Institute of Gardens and Forestry Sciences, Shanghai 200232,China).
Key Words：lawn pest; occurrence; damage
Abstract：Psara licarsisalis (Walker) and Spodoptera mauritia (Boisduval) are th e major lawn pests in Shanghai. They have 5 generations in a year and overwinte as larvae. The generations overlap in the later period in a year. The populatio n density