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Relative Abundance of a Vector of Scrub Typhus, Leptotrombidium sialkotense, in Southern Yunnan Province, China

Authors :
Rong Fan
Cheng-Fu Zhao
Dao-Chao Jin
Xian-Guo Guo
Zhi-Hua Yang
Ke-Yu Mao
Yun-Ji Zou
Wen-Yu Song
Zhi-Wei Zhang
Yan Lv
Source :
The Korean Journal of Parasitology
Publication Year :
2020
Publisher :
Korean Society for Parasitology, 2020.

Abstract

The chigger mite Leptotrombidium sialkotense is one of the 6 main vectors of scrub typhus in China. Before present study, L. sialkotense was found in some parts of Hunan province, China with a narrow geographical distribution. During field investigation 2016-2017, we found L. sialkotense in Jingha, southern Yunnan, China. Of 15 small mammal host species, L. sialkotense were collected from 6 species of the hosts. Rattus brunneusculus was a dominant host of L. sialkotense, from which 98.3% of the mites were collected. The chigger mite showed a relatively high infestation prevalence (PM=11.7%) and mean abundance (MA=0.5) in comparison with the rest 5 host species. These results reveal a certain host specificity of L. sialkotense to a rat R. brunneusculus. The mite L. sialkotense showed an aggregated distribution on the host (PL. sialkotense and the body length of hosts. There was a positive interspecific association between L. sialkotense and 2 other dominant vectors, L. deliense and L. scutellare.

Details

ISSN :
17380006 and 00234001
Volume :
58
Database :
OpenAIRE
Journal :
The Korean Journal of Parasitology
Accession number :
edsair.doi.dedup.....8d378c365d4cb2a12e9292ea6c6561b0