Objective To investigate the species composition, spatial distribution, population density, and seasonal fluctuation of mosquitoes in the urban area of Tengchong, Yunnan province, China, and to provide a scientific basis for mosquito prevention and control. Methods Adult mosquitoes were captured by the light trap method. Aedes albopictus larvae were investigated using the Breteau index (BI). The F test and Chi-squared test (or Fisher's exact test) were used for data analysis. Results A total of 61 810 adult mosquitoes were captured from 2018 to 2020, involving 12 species of 5 genera. The dominant species were Culex pipiens quinquefasciatus and Cx. tritaeniorhynchus in the urban area, and Anopheles sinensis and Cx. tritaeniorhynchus in the suburban area. The average mosquito density was 2 183.32 mosquitoes/light·night in cattle sheds in the suburban area, 12.29 mosquitoes/light·night in hospitals, 4.93 mosquitoes/light·night in schools, 4.29 mosquitoes/light·night in parks, and 2.68 mosquitoes/light·night in residential areas. A total of 11 986 containers were examined for Aedes larvae. There were 80 positive containers, all of which were positive for Ae. albopictus larvae. The average BI was 0.66. Conclusion The species composition, spatial distribution, population density, and seasonal fluctuation of mosquitoes in the urban area of Tengchong are preliminarily understood. Control measures should depend on the seasonal fluctuation of mosquito density and the breeding environment of mosquito.
LI Xi-shang, WANG Jia-zhi, LI Sheng-guo, TANG Zong-yan, YANG Dong-hai, YIN Shou-qin, WANG Xing-juan, LI Zeng-zhu, CAI Wen-bin
. An investigation of mosquitoes in urban Tengchong, Yunnan province, China, 2018-2020[J]. Chinese Journal of Vector Biology and Control, 2022
, 33(3)
: 356
-359
.
DOI: 10.11853/j.issn.1003.8280.2022.03.008
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