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Table 1 A summary of percentage mortality 24 h after a 1-h exposure to different classes of insecticides on field collected F1 progeny of An. arabiensis (n = 100 per insecticide) from Okavango, Ngamiland and Bobirwa districts (n = 1100 per sampling site)

From: Spatial Anopheles arabiensis (Diptera: Culicidae) insecticide resistance patterns across malaria-endemic regions of Botswana

Insecticide District and resistance status
Class Name Okavango Ngamiland Bobirwa
Organophosphates Malathion (5%) 100 (S) 98.8 (S) 100 (S)
Organochlorines DDT (4.0%) 96 (SR) 97.5 (SR) 98.8 (S)
Dieldrin (0.4%) 93 (SR) 95 (SR) 97.5 (SR)
Dieldrin (4%) 95 (SR) 96.3 (SR) 98.8 (S)
Carbamates Propoxur (0.1%) 98.8 (S) 100 (S) 100 (S)
Bendiocarb (0.1%) 100 (S) 100 (S) 98.8 (S)
Pyrethroids Lambda-cyhalothrin (0.05%) 78.8 (R) 81.3 (R) 95 (SR)
Permethrin (0.75%) 78.8 (R) 83.8 (R) 95 (SR)
Deltamethrin (0.5%) 81.3 (R) 92.5 (SR) 96.3 (SR)
Cyfluthrin (0.15%) 83.8 (R) 97.5 (SR) 98.8 (S)
Etofenprox (0.5%) 97.5 (SR) 96.3 (SR) 98.8 (S)
  1. Letters in the parentheses indicate resistance status of tested mosquitoes (S: susceptible, SR: suspected resistance and R: resistant). All pesticides indicated in italics symbolize cases of insecticide resistance (< 90% mortality)