In Vitro Larvicidal and Antioxidant Activity of Dihydrophenanthroline-3-carbonitriles

Table 3

LC₅₀, LC₉₀, and other statistical analysis of synthetic compounds against fourth instar larvae of Aedes aegypti and Culex quinquefasciatus.

Sample code	Species	LC50  ± SE (ppm)	UCL–LCL	LC90  ± SE (ppm)	UCL–LCL	𝜒^2 (df = 4)
4b	A. aegypti	103.40±7.13	128.48–82.30	424.12±49.96	660.92–464.35	10.64
	C. quinquefasciatus	184.24±6.04	198.02–124.16	643.29±62.28	840.26–629.06	12.88
4e	A. aegypti	69.94±2.56	48.89–35.07	195.70±24.30	214.73–147.66	10.56
	C. quinquefasciatus	82.29±2.74	64.77–46.81	272.36±38.21	238.03–166.62	12.80
4f	A. aegypti	158.98±2.54	124.89–115.07	445.78±24.38	273.78–227.64	10.24
	C. quinquefasciatus	142.22±2.74	87.73–46.82	372.34±18.21	248.03–186.12	8.82

Control: nil mortality; LC₅₀: lethal concentration that kills 50% of the exposed larvae; LC₉₀: lethal concentration that kills 90% of the exposed larvae; UCL: upper confidence limit; LCL: lower confidence limit; 𝜒²: chi–square; df: degree of freedom significant at 𝑃 < 0.05 level.