Fig. 3From: The frequency of kdr and ace-1 alleles in Anopheles gambiae s.l. before and during indoor residual spraying (IRS) implementation and four years after IRS withdrawal in three districts in Atacora, BeninBar chart showing the kdr allelle frequency (percentage with standard error bars in the first panel) in An. gambiae s.l. in the districts of the Atacora department of Benin by species and periodBack to article page