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Long-term trends in housefly (Musca domestica L.) insecticide resistance in China
Pesticide Biochemistry and Physiology ( IF 4.7 ) Pub Date : 2024-03-16 , DOI: 10.1016/j.pestbp.2024.105880 Yajun Zhang , Yiguan Wang , Ning Zhao , Xinchang Lun , Chunchun Zhao , Qiyong Liu , Fengxia Meng
Pesticide Biochemistry and Physiology ( IF 4.7 ) Pub Date : 2024-03-16 , DOI: 10.1016/j.pestbp.2024.105880 Yajun Zhang , Yiguan Wang , Ning Zhao , Xinchang Lun , Chunchun Zhao , Qiyong Liu , Fengxia Meng
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Controlling housefly populations relies on the use of insecticides, which inevitably leads to the development of resistance. A better and more comprehensive understanding of the spatial and temporal distribution of resistance could guide the control of houseflies. However, most studies on housefly resistance in China are scattered and poorly coordinated. We collected resistance data from houseflies in the published literature and from the vector biomonitoring system of the Chinese Center for Disease Control and Prevention. A 5- or 10-year resolution was used to study the temporal dynamics of resistance to five commonly used insecticides: deltamethrin, permethrin, beta-cypermethrin, dichlorvos, and propoxur. ArcGIS was used to visualize their spatial distributions. The correlation between year and resistance coefficient was determined using SPSS 26.0 and RStudio to explore the changes in resistance over the years. A total of 2128 data were included in this study, ranging from 1982 to 2022, based on which we found significant increases in resistance over the past forty years for the five studied insecticides. Among them, pyrethroids had the most strikingly elevated resistance level and were mainly distributed in the northern and southeastern coastal areas. Dichlorvos and propoxur had intermediate increases in resistance, and most of these increases were identified in North China and the Yangtze River. Housefly resistance to commonly used insecticides in China is increasing and spatially heterogeneous. This finding also highlights the necessity of continuous routine surveillance of housefly resistance, which could guide future housefly control operations and slow the development of resistance.
更新日期：2024-03-16
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