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Table 2 kdr-w allelic frequency in An. gambiae M forms by site, year and method of collection.

From: Evidence of increasing Leu-Phe knockdown resistance mutation in Anopheles gambiae from Niger following a nationwide long-lasting insecticide-treated nets implementation

   2005 2006 2007 overall
Sites Collection n freq kdr (%) n freq kdr (%) n freq kdr (%) n freq kdr (%)
Firgoune ILC 24 0.00 5 0.00 21 14.29 50 6.00
  IRC 23 0.00 8 0.00 8 0.00 39 0.00
  total indoor 47 0.00 13 0.00 29 10.34 89 3.37
Banizoumbou ILC 12 0.00 18 5.56 -   30 3.33
  IRC 35 0.00 24 2.08 26 7.69 85 2.94
  total indoor 47 0.00 42 3.57 26 7.69 115 3.04
Zindarou ILC 22 0.00 52 0.96 50 5.00 124 2.42
  IRC 6 0.00 2 0.00 15 3.33 23 2.17
  total indoor 28 0.00 54 0.93 65 4.62 147 2.38
Maikogo ILC 45 1.11 8 12.50 27 11.11 80 5.63
  IRC 15 0.00 7 7.14 7 0.00 29 1.72
  total indoor 60 0.83 15 10.00 34 8.82 109 4.59
Fararatt ILC 35 0.00 15 0.00 7 14.29 57 1.75
  IRC 32 0.00 31 1.61 10 5.00 73 1.37
  total indoor 67 0.00 46 1.09 17 8.82 130 1.54
total ILC 140 0.36 99 3.03 105 9.05 344 3.67
  IRC 111 0.00 72 2.08 40 2.50 223 1.81
  total indoor 251 0.20 171 2.63 145 7.24 567 2.88
  1. The table presents data from the five sites analysed for the three years and with sufficient sample size. n: sample size. freq kdr: kdr-w allelic frequency (percentage). ILC: Indoor Landing Collections. IRC: Indoor Resting Collections