Objective To investigate the species composition, density, and seasonal variation of vectors in Henan province, China, and to provide a scientific basis for vector prevention and control. Methods In the surveillance of vectors in Henan province in 2019, the night trapping method was used for rodent surveillance in January, March, May, July, September, and November; the lamp trapping method was used for mosquito surveillance from May to October; the trap cage method was used for fly surveillance from April to October; the sticky trap method was used for the surveillance of cockroaches in January, March, May, July, September, and November. Excel 2010 software was used for data collection, and a descriptive epidemiological analysis was performed. Results In 2019, the overall capture rate of rodents was 0.44%, with Mus musculus as the dominant species, and the capture rates in residential areas, special industries, and rural villages were 0.50%, 0.32%, and 0.51%, respectively. The mean density of mosquitoes was 7.58 mosquitoes/lamp·night, with Culex pipiens pallens as the dominant species, and the density of mosquitoes was relatively high in cowshed (10.75 mosquitoes/lamp·night) and pigsty (16.48 mosquitoes/lamp·night). The mean density of flies was 5.95 flies/cage, with Musca domestica as the dominant species, and farmers' markets had the highest fly density of 6.55 flies/cage. The mean density of cockroaches was 0.14 cockroaches/cage, with Blattella germanica as the dominant species. Conclusion This report describes the species composition, density, and seasonal fluctuation of vectors in Henan province in 2019 and thus provides a scientific basis for the prevention and control of vectors in Henan province.
TANG Zhen-qiang, FAN Jin-xing, LIU Ji-qi
. A surveillance report of vectors in Henan province, China, 2019[J]. Chinese Journal of Vector Biology and Control, 2020
, 31(6)
: 706
-709
.
DOI: 10.11853/j.issn.1003.8280.2020.06.017
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