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Table 4 Distribution of the L1014F mutation in mosquitoes surviving pyrethroid insecticide exposure in Kélo district.

From: Insecticide resistance in Anopheles gambiae from south-western Chad, Central Africa

kdr genotypea Kélo Bologo Kolon Total
  An. gambiae S
(n = 21)
An. arabiensis
(n = 9)
An. gambiae S
(n = 9)
An. arabiensis
(n = 24)
An. gambiae M
(n = 1)
An. gambiae S
(n = 5)
An. arabiensis
(n = 16)
An. gambiae M
(n = 1)
An. gambiae S
(n = 35)
An. arabiensis
(n = 49)
SS 1 9 1 24 1 2 16 1 4 49
SR 2 0 1 0 0 0 0 0 3 0
RR 18 0 7 0 0 3 0 0 28 0
f(Kdr)b 90.5 0.0 83.3 0.0 0.0 60.0 0.0 0.0 84.3 0.0
  1. a SS: Homozygote for the 1014L susceptible (wild type) allele; RR: Homozygote for the L1014F resistant allele; RS: Heterozygote (1014L/L1014F).
  2. b Frequency of the L1014F mutation in mosquitoes that survived after 1 hour of exposure to pyrethroid insecticides.