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)
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) | |