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Seasonal abundance of Culicoides. A) Relative monthly abundance of Culicoides at Wulong, Shizong County, Yunnan Province, China between May 2020 and May 2021. Note that no trapping was done between 15 Jan and 20 Mar 2021; B) average Culicoides amount of each batch of collection every month; and C) average monthly maximum temperatures (TEM, red line) and minimum temperatures (blue line) and the number of the days per month experiencing one of the five precipitation categories. The period in 2021 is highlighted in a grey background.