Table 2. LC50 values in μg·l-1 of enantiomers (+ or –) and racemate (±) of selected synthetic pyrethroid and organophosphate insecticides.
|
C. dubia
|
D. magna
|
|||||
|---|---|---|---|---|---|---|
| Compound | (±) | (+) | (–) | (±) | (+) | (–) |
| cis-BF | 0.144 ± 0.017 | 0.076 ± 0.016 | 1.342 ± 0.165 | 0.175 ± 0.030 | 0.081 ± 0.014 | 1.803 ± 0.211 |
| cis-PM | 0.539 ± 0.027 | 0.156 ± 0.027 | >6.0 | 0.788 ± 0.112 | 0.388 ± 0.070 | >6.0 |
| trans-PM | 0.519 ± 0.055 | 0.197 ± 0.030 | >6.0 | 0.738 ± 0.046 | 0.307 ± 0.045 | >6.0 |
| Fonofos | 0.22 ± 0.03 | 2.24 ± 0.29 | 0.15 ± 0.04 | 0.58 ± 0.04 | 3.45 ± 0.33 | 0.23 ± 0.05 |
| Profenofos | 0.17 ± 0.02 | 1.68 ± 0.95 | 0.14 ± 0.07 | 0.69 ± 0.11 | ± 2.32 ± 0.21 | 0.35 ± 0.08 |
BF, bifenthrin; PM, permethrin.