Table 4.
Mortality rates and knockdown times for An. gambiae (s.l.) populations exposed to different insecticides in two Sahelian sites in Mauritania
| Insecticide | Rosso | Kobeni | ||||||
|---|---|---|---|---|---|---|---|---|
| n | % mortality (95% CI)a |
KDT50 (95% CI) | KDT95 (95% CI) | n | % mortality (95% CI)a | KDT50 (95% CI) | KDT95 (95% CI) | |
| Deltamethrin 0.05% | 100 | 97 (95–99) | 17 (15–18) | 63 (54–77) | 80 | 100 | 14 (5–20) | 91 (52–580) |
| Permethrin 0.75% | 100 | 64 (60–68) | 31 (26–38) | 592 (297–2007) | 75 | 98.6 (96–100) | 17 (14–20) | 141 (98–248) |
| Malathion 5% | 100 | 100 | 100 | 100 | ||||
| Bendiocarb 0.1% | 100 | 100 | 100 | 100 | ||||
aMortality rate 24 hr post exposure to the insecticides with 95% confidence intervals in parentheses
Abbreviations: n, number of mosquitoes tested; KDT50 and KDT95, knockdown time in minutes for 50 and 95% mortality, respectively