Table 2.
Toxicity of permethrin to ALHF, aabys, and 16 homozygous house fly lines of M. domestica.
| strain | df | na | χ2a | LD50 (95% CI)b | Slope (SE) | RR* |
|---|---|---|---|---|---|---|
| aabys | 3 | 280 | 2.1 | 2.0 (1.0-2.0) | 3.0 (0.3) | - |
| ALHF | 3 | 284 | 0.7 | 2100 (1600-2600) | 2.5 (0.3) | 1100 |
| A2345 | 3 | 315 | 3.0 | 780 (680-900) | 3.0 (0.3) | 390 |
| A1345 | 3 | 300 | 1.4 | 410 (300-570) | 3.5 (0.3) | 210 |
| A1245 | 3 | 300 | 6.7 | 190 (150-250) | 4.0 (0.4) | 95 |
| A1235 | 5 | 407 | 1.2 | 1900 (1400-2300) | 1.6 (0.2) | 950 |
| A1234 | 3 | 240 | 3.6 | 270 (180-500) | 2.7 (0.3) | 140 |
| A3 | 5 | 315 | 2.7 | 74 (62-89) | 2.1 (0.2) | 37 |
| A13 | 5 | 752 | 5.5 | 92 (80-110 ) | 2.7 (0.2) | 46 |
| A23 | 3 | 225 | 1.9 | 110 (84-150) | 1.9 (0.2) | 55 |
| A123 | 3 | 240 | 3.9 | 240 (160-460) | 2.8 (0.3) | 120 |
| A5 | 3 | 300 | 6.5 | 24 (17-37) | 2.7 (0.3) | 12 |
| A15 | 3 | 300 | 3.4 | 29 (23-37) | 2.9 (0.3) | 15 |
| A25 | 3 | 300 | 6.9 | 30 (21-44) | 2.9 (0.3) | 15 |
| A125 | 3 | 300 | 2.1 | 150 (110-220) | 3.7 (0.3) | 75 |
| A35 | 3 | 300 | 7.2 | 310 (230-430) | 3.8 (0.4) | 160 |
| A135 | 3 | 300 | 7.5 | 400 (300-560) | 4.1 (0.4) | 200 |
| A235 | 3 | 300 | 1.4 | 650 (540-820) | 2.2 (0.3) | 330 |
na : Number of house flies tested.
LD50 (95% CI)b: LD50 values in nanograms per house fly.
*RRs were calculated by dividing LD50 of house fly strains and lines by LD50 of aabys.