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Table 1 Mortality and knockdown effect of insecticides on An. arabiensis from three localities in Ethiopia.

From: Insecticide resistance in Anopheles arabiensis (Diptera: Culicidae) from villages in central, northern and south west Ethiopia and detection of kdr mutation

Locality Insecticide Number tested Percent mortality KT50in minutes (95% confidence interval) KT90in minutes (95% confidence interval)
Gorgora DDT 198 49.5 * *
  Permethrin 140 85.0 19.6 (17.5-21.6) 28.7(26.2-32.5)
  Deltamethrin 160 80.6 25.3 (23.2-27.5) 35.9(33.1-40.0)
Ghibe DDT 160 3.8 ** **
  Permethrin 60 31.7 ***  
  Deltamethrin 160 31.3 37.6 (34.7-40.5) 56.6(52.8-61.7)
Sodere DDT 118 78.8 **** ****
  Permethrin 80 100 17.8 (15.9-19.7) 25.8(23.4-25.9)
  Deltamethrin 120 99.2 21.9 (19.9-23.9) 31.0(28.6-34.8)
  1. *60% were knockeddown at the end of 80 m, ** only 4 mosquitoes were knocked down at the end of 80 minutes,***41.7% were knockeddown at the end of 80 m**** 77.1% were knockeddown at the end of 80 m.