Table 3 Toxicity of Zanthoxylum piperitum bark constituents and temephos to third-instar larvae from insecticide-susceptible KS-CP strain of Culex pipiens pallens during a 24 h exposure
Compound | n a | Slope ± SE | LC50, mg/l (95% CIb) | LC90, mg/l (95% CIb) | χ 2c | P-value |
|---|---|---|---|---|---|---|
XDA (2)d | 420 | 1.8 ± 0.10 | 0.27 (0.24–0.30) | 1.44 (1.21–1.79) | 6.61 | 0.980 |
Pellitorine (3) | 300 | 2.5 ± 0.23 | 1.12 (0.95–1.35) | 3.75 (2.95–5.20) | 5.67 | 0.957 |
Sesamin (4) | 240 | 2.8 ± 0.31 | 14.28 (12.24–16.66) | 40.48 (32.03–56.93) | 1.82 | 0.997 |
Asarinin (1) | 300 | 4.4 ± 0.45 | 38.90 (35.26–42.50) | 75.77 (67.01–89.69) | 6.34 | 0.932 |
Temephos | 300 | 1.4 ± 0.18 | 0.006 (0.005–0.008) | 0.049 (0.032–0.096) | 2.49 | 0.999 |