Objective To investigate the composition and community diversity of fleas from small mammals in the natural plague foci in Jianchuan county, Yunnan province, China, and to provide a scientific basis for plague prevention and control. Methods Plague surveillance was carried out in Jianchuan county from 2008 to 2017 according to the plague surveillance program. Rat fleas were combed from small mammals captured and were then subject to species identification based on their morphological characteristics. The community ecology method was used to calculate flea species composition, diversity index, homogeneity index, dominance index, and richness index of a community. The data were statistically analyzed by Excel 2010 and SPSS 18.0 software. Results A total of 15 602 rat fleas were captured in the study period, which belonged to 7 species, 7 genera, and 3 families; among them were Ctenophthalmus quadratus (52.10%), Frontopsylla spadix spadix (28.98%), Neopsylla specialis specialis (17.72%), Stenischia humilis (0.88%), Leptopsylla segnis (0.27%), Macrostylophora euteles (0.04%), and Monopsyllus anisus (0.01%). The rat fleas had a diversity index of 0.316 2-1.036 2, a homogeneity index of 0.176 5-0.747 4, a dominance index of 0.378 3-0.872 3, and a richness index of 0.455 0-0.555 1; rat fleas from Eothenomys miletus and Apodemus chevrieri were dominant. Conclusion In the plague foci in Jianchuan county, C. quadratus is the dominant species among the rat fleas, and rat fleas from E. miletus and A. chevrieri are dominant.
CAI Wen-feng, LUO Jian-long, SU Li-qiong, ZHANG Si-xiang, LI Shou-qin
. Composition and community diversity of small mammals fleas in the plague foci in Jianchuan county, Yunnan province, China[J]. Chinese Journal of Vector Biology and Control, 2019
, 30(5)
: 557
-560
.
DOI: 10.11853/j.issn.1003.8280.2019.05.018
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