Larvicidal Activity of Silver Nanoparticles Synthesized Using Extracts of Ambrosia arborescens (Asteraceae) to Control Aedes aegypti L. (Diptera: Culicidae)

Table 1

Larvicidal activity of aqueous extracts and silver nanoparticles synthesized using Ambrosia arborescens against Aedes aegypti third instar larvae.

Treatment	Dose (ppm)	Larval mortality^a ± SD
Plant aqueous extract	1500	43.4 ± 4.9
	3000	66.6 ± 2.1
	4500	81.2 ± 0.8
	6000	92.8 ± 1.3
Control	0	0 ± 0.0
AgNPs	0.2	17.6 ± 3.2
	0.3	60.6 ± 3.2
	0.4	82.6 ± 3.1
	0.5	96.4 ± 1.8
Control	0	0 ± 0.0

SD: standard deviation; ^avalues are mean ± SD of five trials.