Objective To investigate the distribution of mosquito populations in Chongqing, China, and to provide a basis for the development of mosquito control measures. Methods From August to October, 2018, eight districts/counties in Chongqing were selected according to their geographical locations for field investigation in both urban and rural areas. Mosquitoes were captured by trapping lamps, mosquito data were collected and descriptively analyzed by Excel 2010 and ArcGIS 10.60 softwares, and the rank sum test was used by SPSS 25.0 software for different mosquito species density in urban and rural areas. Results A total of 5 species of mosquitoes in 4 genera were collected, and the total mosquito density was 14.83 only/(lamp·hour). The urban mosquito density was 0.67 only/(lamp·hour), and the dominant species were Culex pipiens quinquefasciatus and Aedes albopictus; the rural mosquito density was 18.69 only/(lamp·hour), and the dominant species were Cx. tritaeniorhynchus and Armigeres subalbatus. Rongchang area had the highest total mosquito density, and the density of Cx. tritaeniorhynchus in rural areas was higher than that in urban areas (Z=-3.019, P=0.003). Conclusion The total mosquito density is relatively high in Chongqing, and appropriate mosquito control measures should be taken according to local conditions to prevent and control the occurrence of mosquito-borne diseases.
HE Ya-ming, TU Tao-tian, SHEN Tian-zhanhong, XIAO Han-sen, FENG Shao-quan, YANG Xue-fan, YE Sheng, YU Zhen, CHEN Shuang, WANG Yi-qi, TANG Yun, LUO Fei, JI Heng-qing, LIU Qi-yong
. An investigation of the distribution of mosquito populations in Chongqing, China, 2018[J]. Chinese Journal of Vector Biology and Control, 2019
, 30(5)
: 570
-573
.
DOI: 10.11853/j.issn.1003.8280.2019.05.022
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