Table 1.
Percentage mortality and (in brackets) total number of mosquitoes test and KDT50 and KDT95 values for the different Insecticides tested
| Insecticide | Sample | % mortality(n) | KDT50 (95% CI) | KDT95 (95% CI) | χ2 |
| DDT | Mwea | 100 (411) | 25.51(23.95–27.0) | 49.89(46.44–54.32) | 3.73ns |
| (4%) | KSM Strain | 99.23 (130) | 62.51(56.94–70.45) | 210.56(161.84–309.73) | 6.84ns |
| Fenitrothion | Mwea | 100 (405) | 55.02(46.81–62.39) | 95.1(88.89–121.83) | 91.28* |
| (1%) | KSM Strain | 100 (131) | 88.90(83.68–95.20) | 130.40(123.56–151.10 | 25.38* |
| Bendiocarb | Mwea | 100 (366) | 21.31(19.95–22.61) | 37.85(35.06–41.65) | 2.4ns |
| (0.1%) | KSM Strain | 100 (127) | 14.10(13.19–15.05) | 22.87(20.93–25.66) | 0.23ns |
| Lambda-Ca | Mwea | 99.61(525) | 21.58(20.09–23.01) | 43.00(39.53–47.57) | 12.55ns |
| (0.05%) | KSM Strain | 100 (119) | 19.78(15.61–23.39) | 57.42(48.96–78.73) | 19.78* |
| Permethrin | Mwea | 100 (429) | 17.24(15.94–18.49) | 34.77(31.75–38.90) | 2.01ns |
| (0.75%) | KSM Strain | 100 (123) | 27.75(22.31–32.88) | 66.96(58.66–98.11) | 14.5* |
aLambdacyhalothrin
χ2 values are for the test of fit of the log-time probit model used to estimate the KDT50 and KDT95values; ns = deviations not significant; * = deviations significant, P < 0.05