Figure 1.

Distribution of 1014L, L1014F and L1014S alleles in Anopheles gambiae S-form (1a) and M-form (1b) populations. Smaller pie charts refer to collections with a sample size <20. Red circles refer to literature data reporting the results of the simultaneous genotyping of L1014F and L1014S alleles, per country, indicated by numbers as follows: 1 = Cameroon [23], 2 = Equatorial Guinea [24], 3 = Gabon [25], 4 = Uganda [26], 5 = Kenya [27], 6 = Kenya [43], 7 = Tanzania, Malawi, and Mozambique [28]. Shaded areas indicate zones with different patterns of kdr allele distribution. See text for details.