Casearia tomentosa fruit extracts exposed larvicidal activity and morphological alterations in Culex quinquefasciatus and Aedes albopictus under in vitro and semi field conditions

Table 1 Dose response larvicidal bioassay using two solvent (acetone and water) extracts of Casearia tomentosa fruits against 3rd instar larvae of Culex quinquefasciatus and Aedes albopictus

Mosquito species	Solvent extract used	Concentration (ppm)	Percent Mortality (Mean ± SE)
Mosquito species	Solvent extract used	Concentration (ppm)	24 h	48 h	72 h
Culex quinquefasciatus	Acetone	25	28.00 ± 0.58	46.67 ± 0.88	62.67 ± 0.67
		50	54.67 ± 0.33	66.67 ± 0.88	76.00 ± 0.58
		75	70.67 ± 0.33	81.33 ± 0.67	93.33 ± 0.33
		100	82.67 ± 0.88	94.67 ± 0.33	100.00 ± 0.00
		125	97.33 ± 0.33	100.00 ± 0.00	100.00 ± 0.00
		Control	00.00 ± 0.00	00.00 ± 0.00	00.00 ± 0.00
	Water	25	10.67 ± 0.33	21.33 ± 0.33	34.67 ± 0.33
		50	18.67 ± 0.33	30.67 ± 0.33	49.33 ± 0.33
		75	29.33 ± 0.33	40.00 ± 0.58	57.33 ± 0.33
		100	40.00 ± 0.58	49.33 ± 0.33	61.33 ± 0.67
		125	54.67 ± 0.33	62.67 ± 0.33	70.67 ± 0.33
		Control	00.00 ± 0.00	00.00 ± 0.00	00.00 ± 0.00
Aedes albopictus	Acetone	25	24.00 ± 0.58	33.33 ± 0.67	45.33 ± 0.88
		50	41.33 ± 0.67	52.00 ± 0.58	62.67 ± 0.33
		75	53.33 ± 0.33	69.33 ± 0.67	78.67 ± 0.33
		100	73.33 ± 0.88	85.33 ± 0.88	89.33 ± 0.67
		125	90.67 ± 0.67	97.33 ± 0.33	100.00 ± 0.00
		Control	00.00 ± 0.00	00.00 ± 0.00	00.00 ± 0.00
	Water	25	8.00 ± 0.00	17.33 ± 0.33	30.67 ± 0.33
		50	14.67 ± 0.33	26.67 ± 0.33	45.33 ± 0.88
		75	25.33 ± 0.33	34.67 ± 0.33	50.67 ± 0.67
		100	36.00 ± 0.58	46.67 ± 0.67	56.00 ± 0.58
		125	48.00 ± 0.58	58.67 ± 0.33	65.33 ± 0.33
		Control	00.00 ± 0.00	00.00 ± 0.00	00.00 ± 0.00

ISSN: 1756-0500