Population | Sample size (n) | Mortality ± SE (%)* |
---|
Field-F1 | Male | 570 | 14.08 ± 0.48 |
Female | 470 | 6.21 ± 0.21 |
Field-F2 | Male | 469 | 11.86 ± 2.21 |
Female | 495 | 3.66 ± 0.98 |
Field-F3 | Male | 402 | 0.84 ± 0.27 |
Female | 510 | 0.27 ± 0.12 |
Field-F4 | Male | 350 | 0.00 |
Female | 405 | 0.00 |
Field-F5 | Male | 251 | 0.00 |
Female | 283 | 0.00 |
Field-F7 | Male | 262 | 0.00 |
Female | 292 | 0.00 |
Field-F9 | Male | 151 | 0.00 |
Female | 162 | 0.00 |
Field-F11 | Male | 135 | 0.00 |
Female | 148 | 0.00 |
Laboratory** | Male | 100 | 100 |
Female | 100 | 100 |
Control*** | Â | 40 | 0 |
- *Mortality refers to the percentage of mosquitoes that died 24 h after recovery from a 60 min exposure to the insecticides. Resistance was defined as mortality <90%, probable resistance was defined as mortality 90–98%, and susceptibility was defined as mortality >98%. **The laboratory mosquitoes included the susceptible colony, which has been cultured in the insectaria for more than 500 generations and has never been exposed to any insecticide. ***Forty mosquitoes of laboratory strain were exposed to filter paper without insecticide for 60 min, and mortality was recorded after the 24 h recovery period.