Evaluation of the Larvicidal Efficacy of Five Indigenous Weeds against an Indian Strain of Dengue Vector, Aedes aegypti L. (Diptera: Culicidae)

Table 1

Screening of the 1000 ppm hexane and ethanol extracts of five plant species for their larvicidal activity against early fourth instars of dengue vector Aedes aegypti.

Name of the plant species	Local name	Family	Part used	% mortality after 24 h
				Hexane extract	Ethanolic extract
Achyranthes aspera	Prickly chaff flower	Amaranthaceae	Leaves	100.0 ± 0.0	11.0 ± 0.0
			Stems	100.0 ± 0.0	19.0 ± 0.33
Cassia occidentalis	Chakunda; Coffee Senna; Coffee Weed	Fabaceae	Leaves	100.0 ± 0.0	16.0 ± 0.0
			Stems	100.0 ± 0.0	10.0 ± 0.0
Catharanthus roseus	Periwinkle	Apocynaceae	Leaves	100.0 ± 0.0	50.0 ± 0.0
			Stems	100.0 ± 0.0	05.0 ± 0.0
Lantana camara	Spanish flag; Wild Sage; West Indian lantana	Verbenaceae	Leaves	100.0 ± 0.0	11.0 ± 0.0
			Stems	100.0 ± 0.0	05.0 ± 0.0
Xanthium strumarium	Common cocklebur; chotadhatura	Asteraceae	Leaves	100.0 ± 0.0	41.0 ± 4.33
			Stems	100.0 ± 0.0	47.0 ± 4.0

Mean ± SEM.