Table 2.
The medium lethal concentration (LC50) values of temophos for second and fourth instar of Cx. quinquefasciatus larvae on different artificial larval diet
| LC50, µg/liter (95% CI)‡ | ||||
|---|---|---|---|---|
| Second instar | Slope ± SE | Fourth instar | Slope ± SE | |
| LF | 3.26 (3.12–3.40)† | 1.48 ± 0.27 | 5.08 (4.99–5.17)*,† | 4.08 ± 0.47 |
| BF | 5.85 (5.66–6.04)‡ | 2.10 ± 0.30 | 6.23 (6.03–6.43)‡ | 5.21 ± 0.76 |
| YF | 3.37 (3.22–3.52)† | 4.07 ± 0.58 | 4.74 (4.61–4.87)*,† | 1.91 ± 0.27 |
| MF | 6.03 (5.95–6.11)‡ | 3.56 ± 0.39 | 6.26 (6.06–6.46)‡ | 2.16 ± 0.31 |
Different alphabets in columns indicate there are significantly different for the artificial diet at P < 0.05.
CI (confidence interval); SE (standard error); LF (lab food); Bf (beef food); YF (yeast food); MF (milk food).
*Significantly different between second and fourth instar larva at P < 0.05.
†Larval diet was significantly different, F3, 32 = 841.47, P < 0.001; second and fourth instar larvae were significantly different, F1, 32 = 726.08, P < 0.001; interaction between age and larval diets was significant, F3,32 = 30.31, P < 0.001.
‡Significance test based on the confidence interval at a 95% level, in which no overlap of the two intervals indicates rejection of the null hypothesis.