Pesticides (concentration) | Sampling point | Number of mosquitoes tested | Number of knockdowns in 1 h (N mosquitoes) | Knockdown rate (%) | Statistical analysis | KDT50, in minutes (95% CI) | Number of deaths (N mosquitoes) | 24-Hour mortality rate (%) | Resistance statusa | Statistical analysis |
---|---|---|---|---|---|---|---|---|---|---|
Permethrin (3.20%) | Ruili | 72 | 23 | 31.9 | χ2 = 0.079, df = 1, P = 3.086 | 70.277 (63.133–86.847) | 13 | 18.06 | R | χ2 = 0.311, df = 1, P = 0.577 |
Gengma | 64 | 12 | 18.8 | 409.184 (151.079–19555.008) | 14 | 21.88 | R | |||
Lambda-cyhalothrin (0.08%) | Ruili | 70 | 29 | 41.4 | χ2 = 2.385, df = 1, P = 0.122 | 64.950 (59.577–75.552) | 8 | 11.43 | R | χ2 = 12.926, df = 1, P = 0.000* |
Gengma | 97 | 29 | 29.9 | 100.955 (79.627–149.577) | 35 | 36.08 | R | |||
Deltamethrin (0.20%) | Ruili | 75 | 51 | 68.0 | χ2 = 1.312, df = 1, P = 0.252 | 47.100 (43.892–51.117) | 18 | 24.0 | R | χ2 = 118.402, df = 1, P = 0.000* |
Gengma | 107 | 81 | 75.7 | 37.841 (34.874.-41.311) | 107 | 100.0 | S | |||
Control | Ruili | 25 | 0 | 0 | –b | /c | 0 | 0 | / | – |
Gengma | 25 | 0 | 0 | / | 0 | 0 | / |