Table 2.
Median lethal doses (LD50) and resistance ratio (RR) of Musca domestica treated with diazinon.
| Population | N | LD50 (ng/♀) | 95% Confidence Limits | Slope ± SE | χ2 | p | RR | |
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| LAB | 360 | 3.27 a | 2.83 | 3.75 | 2.45 ± 0.24 | 5.02 | 0.17 | - |
| RAM | 360 | 204.28 b | 163.02 | 249.74 | 1.66 ± 0.17 | 8.79 | 0.03 | 62.47 |
| NOS | 360 | 348.22 c | 275.56 | 419.74 | 2.08 ± 0.24 | 7.63 | 0.05 | 106.48 |
| BAM | 360 | 392.02 c | 323.02 | 496.93 | 1.95 ± 0.25 | 7.20 | 0.06 | 119.88 |
| AZM | 360 | 405.86 c | 333.63 | 489.53 | 1.89 ± 0.25 | 5.48 | 0.14 | 124.11 |
| WES | 360 | 452.48 c | 381.06 | 529.63 | 2.06 ± 0.23 | 5.90 | 0.12 | 138.37 |
| MAS | 360 | 892.26 d | 835.11 | 949.11 | 5.53 ± 0.53 | 3.57 | 0.31 | 272.86 |
| SAS | 360 | 960.38 de | 896.48 | 1027.58 | 4.97 ± 0.51 | 3.22 | 0.31 | 293.69 |
| MOS | 360 | 1013.01 e | 958.29 | 1070.32 | 6.50 ± 0.61 | 2.93 | 0.40 | 309.78 |
Values that do not share a letter are significantly different where their 95% confidence limits did not overlap.