Table 2.
Dose-response data for N. lugens laboratory susceptible and fiprol-resistant strains against ethiprole and fipronil applied as a leaf dip to adults.
| Compound | Strain | Generations without selection | LC50 [mg L− 1] | 95% limits | Slope (± SD) | RR |
|---|---|---|---|---|---|---|
| Ethiprole | Bayer-S | 174 | 0.34 | 0.24–0.44 | 2.671 ± 0.432 | 1 |
| Nl33 | 27 | 138.3 | 90.82–198.3 | 1.32 ± 0.148 | 406.8 | |
| Nl55 | 18 | 112.7 | 54.03–281.8 | 0.693 ± 0.124 | 331.5 | |
| Nl33-eth | – | > 5000 | – | – | > 14000 | |
| Nl55-eth | – | > 5000 | – | – | > 14000 | |
| Fipronil | Bayer-S | 174 | 1.16 | 0.70–1.66 | 10.858 ± 0.864 | 1 |
| Nl33 | 46 | 37.13 | 1.06–137.3 | 1.259 ± 0.453 | 32 | |
| Nl55 | 29 | 3.46 | 0.77–8.21 | 0.966 ± 0.197 | 3 | |
| Nl33-eth | – | > 1000 | – | – | > 860 | |
| Nl55-eth | – | > 1000 | – | – | > 860 |