Table 2. Topical exposure for three abamectin formulations on lady beetle larvae.
| Time | Formulation | Toxicity regression equation | R2 | LC50 (mg/L) |
95% confidence limit | χ2 (df = 4) |
P |
|---|---|---|---|---|---|---|---|
| 48 h | Abam-PLA-NS | y = 3.79+1.10x | 0.871 | 12.5 | 6.2–25.2 | 5.817 | 0.121 |
| Abam-PLA-Tannin-NS | y = 3.44+1.26x | 0.789 | 16.6 | 8.9–31.0 | 9.005 | 0.061 | |
| Abmectin EC | y = 2.72+1.75x | 0.935 | 19.4 | 12.0–31.3 | 4.626 | 0.328 | |
| 120 h | Abam-PLA-NS | y = 3.75+1.44x | 0.844 | 7.4 | 4.2–13.2 | 1.174 | 0.882 |
| Abam-PLA-Tannin-NS | y = 3.92+1.37x | 0.831 | 6.0 | 3.3–11.0 | 1.945 | 0.746 | |
| Abmectin EC | y = 3.36+1.64x | 0.877 | 10.3 | 6.2–17.1 | 1.105 | 0.893 |