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27 July 2022 Distribution Prediction of Hyalomma asiaticum (Acari: Ixodidae) in a Localized Region in Northwestern China
Ercha Hu, Zhengxiang Hu, Xiaoyun Mi, Caishan Li, Wenwen He, Lu Gan, Yongchang Li, Wei Zhang, Yuan Meng, Bayinchahan Gailike
Author Affiliations +
Abstract

Hyalomma tick species are considered the competent vector tick species that carry and transmit CrimeanCongo hemorrhagic fever virus (CCHFV) to humans and animals. Hyalomma asiaticum is one of the major tick species widespread in the Xinjiang Uygur Autonomous Region (XUAR) of China. To determine the potential prevalence of H. asiaticum in XUAR, species distribution modeling was performed using MaxEnt algorithm assembled with bioclimatic variables and curated tick presence records. The results indicate that potential habitats of H. asiaticum mainly cover the northern and western XUAR. The suitable habitats included the west rim of the Taklimakan Desert, Turpan Basin, and Junggar Basin. The models show a mean area under the curve of 0.865 ± 0.068 for H. asiaticum based on 10-fold cross-validation. Despite limited tick presence records used in the study, this work describes the potential distribution and the association of important bioclimatic variables that are crucial for the survival of H. asiaticum in many arid areas in XUAR. The model could be helpful in tick distribution study and surveillance of CCHFV in the region.

© American Society of Parasitologists 2022
Ercha Hu, Zhengxiang Hu, Xiaoyun Mi, Caishan Li, Wenwen He, Lu Gan, Yongchang Li, Wei Zhang, Yuan Meng, and Bayinchahan Gailike "Distribution Prediction of Hyalomma asiaticum (Acari: Ixodidae) in a Localized Region in Northwestern China," Journal of Parasitology 108(4), 330-336, (27 July 2022). https://doi.org/10.1645/21-96
Published: 27 July 2022
KEYWORDS
Crimean–Congo hemorrhagic
fever virus
Hyalomma asiaticum
MaxEnt
region
Xinjiang Uygur Autonomous
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