Objective To investigate the main species, density, and seasonal variation of vectors in Jianglang Mountain scenic area, Jiangshan, Zhejiang Province, China, so as to provide a scientific basis for vector control in mountain and river scenic areas. Methods According to the Zhejiang Province Vector Monitoring Work Plan, small mammal, mosquito, and tick surveillance were carried out in Jianglang Mountain scenic area, Jiangshan from 2019 to 2021. Small mammal surveillance was conducted using the night trapping method, adult mosquito surveillance using the mosquito trap lamp method, mosquito larva surveillance using the Breteau index (BI) method, and tick surveillance using the tick inspection on the body surface of animals and the drag-flag method. The descriptive epidemiology was used to analyze the species composition, density, and variation trend of vectors in different environments. Results The small mammal density in Jianglang Mountain scenic area in Jiangshan from 2019 to 2021 was 5.76%, with the dominant species being Apodemus agrarius, accounting for 48.10%. A total of 171 small mammal lung specimens were collected for Hantavirus antigen detection, with a positive rate of 2.34% (4/171); 171 small mammal blood samples were collected for Hantavirus antibody detection, with a positive rate of 2.92% (5/171). The dominant species of mosquitoes were Culex pipiens pallens/quinquefasciatus, accounting for 73.45%, followed by Aedes albopictus, Armigeres subalbatus, and Anopheles sinensis. The mean BI value from 2019 to 2021 was 17.83. No tick was captured. Conclusions The dominant species of small mammals in Jianglang Mountain scenic area is A. agrarius, and the dominant species of mosquitoes is Cx. pipiens pallens/quinquefasciatus. Comprehensive prevention and control measures should be taken to control the breeding of vectors and the spread of related infectious diseases.
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