Global Distribution of Culex tritaeniorhynchus and Impact Factors

Yixin Tong, Honglin Jiang, Ning Xu, Zhengzhong Wang, Ying Xiong, Jiangfan Yin, Junhui Huang, Yue Chen, Qingwu Jiang and Yibiao Zhou ()
Additional contact information
Yixin Tong: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Honglin Jiang: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Ning Xu: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Zhengzhong Wang: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Ying Xiong: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Jiangfan Yin: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Junhui Huang: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Yue Chen: School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, 600 Peter Morand Crescent, Ottawa, ON K1G 5Z3, Canada
Qingwu Jiang: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China
Yibiao Zhou: School of Public Health, Fudan University, Building 8, 130 Dong’an Road, Shanghai 200032, China

IJERPH, 2023, vol. 20, issue 6, 1-15

Abstract: Culex tritaeniorhynchus is the primary vector of Japanese encephalitis (JE) and has a wide global distribution. However, the current and future geographic distribution maps of Cx. tritaeniorhynchus in global are still incomplete. Our study aims to predict the potential distribution of Cx. tritaeniorhynchus in current and future conditions to provide a guideline for the formation and implementation of vector control strategies all over the world. We collected and screened the information on the occurrence of Cx. tritaeniorhynchus by searching the literature and online databases and used ten algorithms to investigate its global distribution and impact factors. Cx. tritaeniorhynchus had been detected in 41 countries from 5 continents. The final ensemble model (TSS = 0.864 and AUC = 0.982) indicated that human footprint was the most important factor for the occurrence of Cx. tritaeniorhynchus . The tropics and subtropics, including southeastern Asia, Central Africa, southeastern North America and eastern South America, showed high habitat suitability for Cx. tritaeniorhynchus . Cx. tritaeniorhynchus is predicted to have a wider distribution in all the continents, especially in Western Europe and South America in the future under two extreme emission scenarios (SSP5-8.5 and SSP1-2.6). Targeted strategies for the control and prevention of Cx. tritaeniorhynchus should be further strengthened.

Keywords: Culex tritaeniorhynchus; global distribution; species distribution models; impact factors; climate change; habitat suitability; extension (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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