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Table 1 Results of the insecticide susceptibility tests conducted on wild female Anopheles gambiae s.l mosquitoes

From: Implications of bio-efficacy and persistence of insecticides when indoor residual spraying and long-lasting insecticide nets are combined for malaria prevention

Insecticide tested Total no. exposed Knock Down (KD) Mortality
   10 min 15 min 20 min 30 min 40 min 50 min 60 min %KD 60 min Total no. dead % Dead Class
Control 123 0 0 0 0 0 1 1 0.8 1.0 0.8 -
4% DDT 124 0 0 7 44 94 114 118 95.2 124.0 100.0 ***
0.75% Permethrin 125 0 8 20 71 95 122 124 99.2 119.0 95.2 **
0.05% Lambda cyhalothrin 123 0 0 2 23 60 81 92 74.8 111.0 90.2 **
0.05% Deltamethrin 96 0 5 16 37 60 74 79 85.9 92 95.8 **
0.4% Dieldrin 124 0 0 0 0 0 2 3 2.4 120.0 96.8 **
  1. 96% of mosquitoes of this species complex in the study area at the time were identified by PCR as Anopheles arabiensis.
  2. Class (Susceptibility grading).
  3. *** The percentage mortality value indicates 100% susceptibility.
  4. ** The percentage mortality value indicates insecticide tolerance and possibility of resistance that needs to be confirmed.