Figure 1

Seasonal variations of Culicoides abundance in the Niayes area of Senegal. Total abundance of Culicoides during the night of maximum catch is plotted on a log10 scale (in red line). For the 5 dominant species the sum of individuals caught at each site on the night of monthly maximum catch (by site and by species) are presented. Months’ quotation: 1 = January to 12 = December.