First report of the L1014S kdr mutation in wild populations of Anopheles gambiae M and S molecular forms in Burkina Faso (West Africa)

► L1014S kdr mutation is now present in West Africa. ► Occurrence of L1014S kdr mutation was investigated in Burkina Faso. ► L1014F and L1014S were detected in An. gambiae M and S and An. arabiensis populations in Burkina Faso. ► L1014F and L1014S kdr mutations occurred concomitantly in An. gambiae s.l. populations in Burkina Faso.