Table 1. Toxicity of thiamethoxam against Nasutitermes luzonicus, Macrotermes gilvusand Microcerotermes losbanosensis after 1-week exposure to treated soil.
Species N Mean body weight a (mg) Slope ± SE b LC 50 (95% CI) (ppm) LC 90 (95% CI) (ppm) χ 2
N. luzonicus 900 4.22 ± 0.15 1.52 ± 0.46a 0.64 (0.53 –0.85) 9.58 (8.14 – 12.16) 10.19
M. losbanosensis 900 2.46 ± 0.21 2.19 ± 0.25a 0.56 (0.31 – 0.72) 4.65 (4.17 – 6.28) 18.15
M. gilvus 540 9.38 ± 0.94 2.78 ± 0.10a 0.41 (0.35 – 0.68) 6.28 (4.95 – 7.62) 16.12