Table 1.
Concentrations (μg/mL) that impose 50% mortality (LC50) of third instar An. gambiae s.s. larvae in naïve population, and following three successive generational exposures to heavy metals
Strain | Generation | LC50 (μg/L) | 95% CI | Slope (β ± SE) | χ2 |
---|---|---|---|---|---|
Cadmium | F0 | 6.07 | 4.80 – 7.77 | 2.81 ± 0.41 | 0.17 |
F3 | 4.45 | 3.29 – 5.89 | 2.65 ± 0.49 | 0.34 | |
Copper | F0 | 12.42 | 8.34 – 18.45 | 1.76 ± 0.29 | 1.52 |
F3 | 25.02 | 18.20–35.59 | 2.12 ± 0.33 | 0.31 | |
Lead | F0 | 493.32 | 245.22 – 1007.77 | 1.03 ± 0.18 | 2.60 |
F3 | 516.69 | 272.44 – 1072.20 | 1.00 ± 0.16 | 1.55 |
Figures indicated in brackets are 95% confidence intervals about respective median value.