Table 6: Larvicidal activity of a neonicotinoid, bioactive plant metabolite and an avermectin against early fourth instars of Aedes aegypti.

S. No. Insecticides LC50 in ppm LC90 in ppm χ2
(df)
Slope ± SE
1 Acetamiprid 0.1879
(0.1193-0.2477)
1.3154
(0.7586-5.2407)
1.698 (3) 1.516±0.49
2 Berberine 20.2432
(11.1741-29.3252)
62.6057
(41.4218-156.8984)
17.044
(7)
2.339±0.35
3 Emamectin benzoate 0.0128
(0.00001-0.0294)
0.05928
(0.0315-0.0992)
0.741
(3)
1.569±1.11

LC50 - Lethal Concentration that kills 50% of the exposed larvae, LC90 - Lethal Concentration that kills 90% of the exposed larvae; Values in parentheses indicate the lower and upper 95% fiducial limits; χ2 = Chi-square, S.E. = Standard Error, df = degree of freedom.