Fig 2.

Adult female mosquito species composition per prefecture (top) and prefecture level Culex pipiens ss population dynamics (bottom). N: total number of female adult mosquitoes collected per prefecture per surveillance year. Each column (bottom) corresponds to the mean of the samples collected per trap per night. (1–2);(3–4): collections corresponding to the first and last two weeks of the month respectively. (June-Dec): mosquitoes were collected from June to December. (April-Oct): mosquitoes were collected from April to October. All data correspond to collections conducted with CDC light traps baited with dry ice (potentially under-recording the presence/abundance of certain mosquito species).