Table 2. Variation in neonicotinoid sensitivity by feeding bioassays among three stocks of commonly used honey bees.
Carniolan | Italian | Russian | |||||||
---|---|---|---|---|---|---|---|---|---|
Compound | n | LC50 (95% CI) | Slope (SE) | n | LC50 (95% CI) | Slope (SE) | n | LC50 (95% CI) | Slope (SE) |
Imidacloprid | 302 | 83.3 (59.1–148.2)c | 1.1 (0.2)‡ | 590 | 2.5 (0.6–5.0)a | 0.9 (0.2)‡ | 720 | 39.3 (32.6–47.5)b | 1.3 (0.1)‡ |
Thiamethoxam | 778 | 2.70 (2.50–2.90)b | 4.2 (0.3)‡ | 257 | 1.86 (1.46–2.32)a | 2.0 (0.2)* | 169 | 6.34 (4.08–8.64)c | 1.8 (0.3)* |