Fig. 2From: 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, BeninPercentage of Anopheles gambiae s.l. species collected by period and by district, before IRS (BIRS) in 2010, during IRS (DIRS) in 2016, and 4 years after IRS withdrawal (WIRS) in 2020; Ag, An. gambiae s.s.; Ac, An. coluzzii; Aa, An. arabiensis; hy, hybrids are An. gambiae s.s. and An. coluzziiBack to article page