Mosquito larvicidal, pupicidal and ovidical effects of the different extracts of the leaves of Peltophorum pterocarpum against Aedes aegypti and Culex quinquefasciatus

Future Journal of Pharmaceutical Sciences

Table 2 Lethal concentration (in ppm) of crude extracts of leaves of P. pterocarpum against the pupae of Ae. aegypti and Cx. quinquefasciatus mosquitoes

Mosquito species	Name of the extract	LC₅₀ (ppm)	95% confidence limit		LC₉₀ (ppm)	95% confidence limit		Slope ± SE	Intercept ± SE	χ²
Mosquito species	Name of the extract	LC₅₀ (ppm)	LL	UL	LC₉₀ (ppm)	LL	UL	Slope ± SE	Intercept ± SE	χ²
Ae. aegypti pupae	n-Hexane	303.07	259.66	365.44	1195.92	860.87	1947.42	− 0.33 ± 0.54	2.1 ± 0.2	0.6*
	Chloroform	226.01	178.13	299.14	1155.82	709.33	2861.81	0.7 ± 0.6	1.6 ± 0.3	0.8*
	Methanol	235.40	201.98	279.41	1011.83	735.03	1622.97	2.0 ± 0.2	0.2 ± 0.5	4.9*
Culex quinquefasciatus pupae	n-Hexane	284.04	240.61	347.32	1312.06	906.29	2305.84	0.26 ± 0.50	1.9 ± 0.2	1.0*
	Chloroform	204.41	160.46	267.03	1059.19	658.38	2555.57	0.8 ± 0.6	1.1 ± 0.4	3.7*
	Methanol	239.50	206.17	283.30	987.35	724.80	1553.55	2.0 ± 0.2	0.04 ± 0.5	0.8*

LC₅₀ lethal concentration that kills 50% of the exposed larvae, LC₉₀ lethal concentration that kills 90% of the exposed larvae, LL lower limit (95% confidence limit), UL upper limit (95% confidence limit)
*p ≤ 0.05, level of significance of chi-square values