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Table 4 Bioassay test results of base and DDT selected F8 An. arabiensis from Gorgora.

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

Insecticide

Number tested

% mortality

KT50(minutes)

% mortality in base

KT50(minutes) in base

Permethrin

100

52.0*

No. KD

85.0

19.6 (17.5-21.6)

Deltamethrin

100

98.0

29.3 (27.0-31.5)

80.6

25.3 (23.2-27.5)

  1. No. KD = only 56% were knocked down * Control mortality was less than 5%.