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Table 1 Molecular form, % mortality and kdr frequency of An. gambiae from Southern Benin and Nigeria

From: Expression of the cytochrome P450s, CYP6P3 and CYP6M2 are significantly elevated in multiple pyrethroid resistant populations of Anopheles gambiae s.s. from Southern Benin and Nigeria

Collection site Cytotype (N = 30) % Mortality (N = 80) West kdr frequency (N = 30) East kdr frequency (N = 30)
Orogun (control site, peri-urban) M 100* 0 0
Akron (agricultural) M 23* 0.86 0
Ojoo (oil contamination) M 80* 0 0
Gbedjromede (urban) M 36† 0.83 0
  1. *Mortality rate 24 hours post-exposure to 0.75% permethrin for 1 hour.
  2. †Mortality rate following 10 min exposure to permethrin impregnated nets (Olyset impregnated nets at 1 g/m2)