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Article in Chinese | WPRIM | ID: wpr-873829


Objective To learn the density, distribution, population composition, and seasonal fluctuation of mosquitoes in Shanghai Pudong New Area, and to provide evidence for the mosquito-borne diseases control and prevention. Methods From 2017 to 2019, light trap method was used to monitor the mosquito density in farmyard, parks, hospitals, residential areas and the barns, three times a month from April to November. Results A total of 24 times/set light traps were set up and 7 104 mosquitoes were captured.The average density was 3.07 insects per lamp.Culex pipienspallens (81.52%) and Aedes albopictus (12.10%) were the mostly captured, followed by Armigeres subalbatus (3.24%), Culex tritaeniorhynchus (2.78%) and Anopheles sinensis (0.36%).The proportion of Culex pipienspallens was increasing year by year, and that of Aedes albopictus was decreasing year by year.The seasonal variation curve of mosquito density showed a single peak distribution, with the peak from June to July.Among the five habitat types, the mosquito density from high to low was hospital (4.68/set), farmyard (4.38/set), livestock shed (3.25/set), residential household (2.81/set) and park (1.38/set).The mosquito density in urban area, urban-rural junction and rural area was 2.69, 3.32 and 3.36 respectively (i.e., rural area > urban-rural integration > urban area). Conclusion Culex pipienspallens and Aedes albopictus are the dominant species in Pudong New Area.Parks, hospitals and residential areas are the most important mosquitoes infestation areas, therefore more attention must be paid to mosquito control in these areas.