Based on data of occurrence degree of rice planthoppers from 45 agricultural pest mo- nitoring stations in Guangxi Province during 1988 to 2012 as well as data of meteorological factors and atmospheric circulation characteristics during 1987 to 2012,three zones with different occur- rence degrees of early rice planthoppers were divided: east Guangxi,southwest Guangxi,and northwest Guangxi. Occurrence degree of early rice planthoppers was predicted in each zone by fuzzy cluster analysis,and BP neural network...