Table 3. Comparative lethal median concentration (LC50) values of methyl benzoate (MB) for Bemisia tabaci eggs, nymphs, and adults.
| Insect stage | LC50 (%, v/v) | 95% CI+ (lower- upper) | Slope (± SE) | χ2 (df) |
|---|---|---|---|---|
| LC50 144 h after exposure | ||||
| Eggs | 0.3 | (0.2–0.6) | 1.6 (0.3) | 10.5 (3) |
| LC50 144 h after exposure | ||||
| Nymphs | 0.2 | (0.1–0.3) | 2.1 (0.3) | 8.8 (3) |
| LC50 24 h after exposure (direct spray application assay) | ||||
| Adults | 0.2 | (0.0–0.4) | 1.8 (0.4) | 17.9 (3) |
| LC50 48 h after exposure (residual assay) | ||||
| Adults | 0.3 | (0.1–0.6) | 1.8 (0.4) | 17.9 (3) |
| LC50 10 h after exposure (fumigant toxicity) | ||||
| Adults | 0.2 | n/a | 1.7 (0.6) | 17.7 (2) |
+Confidence interval
The LC50 value was calculated using corrected mortality. n/a, no confidence interval observed and therefore no probit analysis performed