关键词: 鼠形动物, 群落结构, 寄生蚤, 蚤指数

Abstract: Objective To study the community structure of the small mammals and the fleas in Xingning,Guangdong. Methods The small mammals were captured by trap in different habitats in spring in 2004,then parasitic fleas of them were colletced and indentified under microscope. Results A total of 1 062 small mammals were captured and identified,which belong to 9 species of 2 families,2 orders. Seven species of the small mammals were captured in the field,of which Bandicota indica and Rattus losea were the dominant species with constituent ratio 45.71% and 18.57% respectively. Four species of the small mammals were captured in the indoor,of which the dominant species were R.norvegicus and R.flavipectus with constituent ratio 55.14% and 41.03%,respectively. A total of 135 the parastitic fleas were picked up and identified from small mammal,which belonged to 6 species. Leptopsylla segenis and Xenopsylla cheopis were the dominant species. Conclusion The species of rodents was abundant in the wild habitats while that in indoor habitats was simple. But flea infected rate and index in indoor rodents were high.