Abstract:rthropod communities were studied in four types of rice ecosystems,i.e. , Changshadouble hybrid rice in Hunan (CS).Fuyang hybrid-japonica rice in Zhejiang(FY),and Jurong(JR,in Jiangsu)and Zhengzhou(ZZ, in Henan ) winter wheat-japonica rice, in China since1991. The arthropod guilds were defined as phytophages, predators parasitoids, aquaticmosquitoes and scavengers.A total of arthropod species recorded was 103 and 102(FY,earlyand late rice), 89 and 104(JR in 1991 and 1992), 184(ZZ) ,respectively, Most of ...