Structure, Spatial and Temporal Distribution of the Culex pipiens Complex in Shanghai, China
AbstractBackground: Culex pipiens molestus was first reported in Shanghai in 2010. The population structures and seasonal distributions of Culex pipiens subspecies C. p. molestus, Culex pipiens pallens, and Culex pipiens quinquefasciatus are not well known. Methods: From late February to November 2013, we conducted daily field surveillance of mosquitoes at eight sites at two green lands and three residential areas in downtown Shanghai. Morphological comparison and DV/D ratios (DV/D is an indicator of mosquito taxonomy) were used to identify adult mosquitoes. Results: The distribution curves of the Culex pipiens complex members indicated seasonal fluctuations. The temperature range of 20–25 °C was the most suitable for adult activity. Micro-environmental factors may differentiate the complex population structures. Hybridization between C. p. pallens and C. p. quinquefasciatus was common and neither “DV/D = 0.40” nor “DV/D = 0.50” can distinguish these subspecies and their hybrids. Conclusion: the population structure of the Culex pipiens complex is complex and characterized by significant hybridization. Measures other than DV/D ratios are needed for the discrimination of subspecies. The C. p. molestus invasion might result in the transmission of novel vector-borne diseases in Shanghai. View Full-Text
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Gao, Q.; Xiong, C.; Su, F.; Cao, H.; Zhou, J.; Jiang, Q. Structure, Spatial and Temporal Distribution of the Culex pipiens Complex in Shanghai, China. Int. J. Environ. Res. Public Health 2016, 13, 1150.
Gao Q, Xiong C, Su F, Cao H, Zhou J, Jiang Q. Structure, Spatial and Temporal Distribution of the Culex pipiens Complex in Shanghai, China. International Journal of Environmental Research and Public Health. 2016; 13(11):1150.Chicago/Turabian Style
Gao, Qiang; Xiong, Chenglong; Su, Fei; Cao, Hui; Zhou, Jianjun; Jiang, Qingwu. 2016. "Structure, Spatial and Temporal Distribution of the Culex pipiens Complex in Shanghai, China." Int. J. Environ. Res. Public Health 13, no. 11: 1150.
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