Table 1. Triflumuron and pyriproxyfen LC50 values and resistance factors for M. domestica L. strains.
| IGR | Strain | LC50 (CI.) | LC95 (CI.) | Slope±SE | R | X2 | df | RF |
|---|---|---|---|---|---|---|---|---|
| Triflumuron | Laboratory strain | 0.20 (0.16–0.24) | 3.97 (2.81–6.14) | 1.26±0.09 | 0.98 | 12.51 | 8 | |
| Northside slaughterhouse | 2.62 (2.20–3.17)** | 35.14 (22.89–62.84) | 1.46±0.12 | 0.98 | 9.08 | 6 | 13.1 | |
| Aziziyah slaughterhouse | 2.86 (2.52–3.25)*** | 16.23 (12.97–21.37) | 2.18±0.13 | 0.99 | 5.08 | 7 | 14.3 | |
| As Saadah district slaughterhouse | 5.48 (4.40–7.02)**** | 110.95 (67.48–211.63) | 1.26±0.09 | 0.99 | 0.76 | 7 | 27.4 | |
| West Riyadh slaughterhouse | 4.62 (2.65–11.91)**** | 41.78 (42.94–363.88) | 1.72±0.13 | 0.94 | 27.81 | 6 | 23.1 | |
| Al-Munsiyah slaughterhouse | 4.72 (3.23–8.58)**** | 35.26 (27.77–146.78) | 1.88±0.15 | 0.97 | 15.46 | 6 | 23.6 | |
| Pyriproxyfen | Laboratory strain | 0.35 (0.29–0.42) | 7.09 (5.10–10.63) | 1.26±0.07 | 0.99 | 13.11 | 9 | |
| Northside slaughterhouse | 1.19 (1.01–1.41)**** | 14.21 (10.15–21.87) | 1.53±0.11 | 0.99 | 8.32 | 7 | 3.4 | |
| Aziziyah slaughterhouse | 0.91 (0.47–1.44)*** | 11.38 (8.70–47.41) | 1.50±0.13 | 0.99 | 15.06 | 6 | 2.6 | |
| As Saadah district slaughterhouse | 0.86 (0.74–1.00)** | 6.88 (5.09–10.17) | 1.82±0.13 | 0.99 | 1.24 | 6 | 2.5 | |
| West Riyadh slaughterhouse | 1.10 (0.90–1.34)**** | 26.50 (16.91–48.15) | 1.19±0.09 | 0.99 | 3.60 | 7 | 3.1 | |
| Al-Munsiyah slaughterhouse | 1.76 (1.50–2.07)**** | 15.96 (12.23–22.03) | 1.72±0.10 | 0.99 | 2.88 | 7 | 5.0 |
*p < 0.05, **p < 0.005, ***p < 0.001 and ****p < 0.0001.
A comparison with one way ANOVA followed by Dunnett’s multiple test was performed to identify significant differences in LC50 values due to IGR exposure comparing to the laboratory strain.