<span>Coffee arabica</span>-derived copper nanoparticles: A potent larvicidal agent against <span>Aedes aegypti</span> mosquitoes

Table 2. Larvicide of green and roasted C. arabica and CuNPs.

Substances	No Larvae^*	Concentration (ppm)	% Mortality Mean±SD	LC₅₀	LC₉₀	Χ² (df - 3)
Green C. arabica	20	100	48.3±1.53^a	124.52	456.55	6.48
		200	58.3±2.08^b
		300	76.6±2.52^c
		400	88.3±1.15^{c, d}
		500	96.6±0.58^d
Rosted C. arabica	20	100	65.0±1.00^a	73.45	371.49	4.61
		200	71.6±1.53^b
		300	83.3±2.08^c
		400	91.6±1.53^{c, d}
		500	100.0±0.00^d
CuNPs	20	2	20±7.29^c	5.79	36.59	1.57
		12	73.8±5.41^b
		25	87.5±6.5^a
		50	91.3±4.46^a
		100	96.3±2.07^a

X² = Chi-square value. * Three replicates= 20 mosquito larvae each. Mean±SD superscripted by the same letter in the same column indicates not significant differences according to LSD at 0.05, the line is a good fit, and the data are significantly homogenous.