Studies on the structure and dynamics of pest insect communities in five jujube sites with different Intercropped systems were conducted in the suburb of Taigu County, Shanxi Province, China from 2000~2002. There were different numbers of families, species and individuals of pest insects, as well as different indices of diversity, evenness and Berger-Parker in the jujube sites of different intercropped. There were larger (p<0.05) numbers of families and species in the jujube site with herbage and weeds than...