Table 7.

Time dependent mortality check of larvicidal activity of crude methanolic extract of B. pilosa till 48 h at different concentrations

Plant extract	Concentration in PPM	% Mortality ± SE (Time in h)
		1	3	6	12	18	24	30	36	42	48
Methanolic leaf extract of B. pilosa	50	0	0	0	4.1 ± 0.25	11.6 ± 0.12	21.5 ± 0.25	37.2 ± 0.17	46.3 ± 0.10	54.7 ± 0.20	67.1 ± 0.20
	100	0	0	6.3 ± 0.10	11.6 ± 0.25	22.4 ± 0.10	38.2 ± 0.10	47.6 ± 0.17	59.2 ± 0.10	67.4 ± 0.25	83.4 ± 0.27
	200	0	0	14.7 ± 0.17	29.4 ± 0.12	42.3 ± 0.27	54.6 ± 0.25	67.0 ± 0.10	76.2 ± 0.05	85.4 ± 0.15	97.1 ± 0.10
	300	0	11.2 ± 0.10	19.8 ± 0.05	27.8 ± 0.15	39.4 ± 0.25	59.4 ± 0.15	74.4 ± 0.17	86.5 ± 0.25	100.0 ± 0.00	–
	400	16.2 ± 0.17	27.8 ± 0.25	41.6 ± 0.05	58.3 ± 0.15	74.8 ± 0.10	89.7 ± 0.15	100.0 ± 0.00	–	–	–
	500	24.2 ± 0.10	47.1 ± 0.05	69.8 ± 0.15	90.8 ± 0.17	100.0 ± 0.00	–	–	–	–	–
	1000	24.1 ± 0.27	42.8 ± 0.10	67.6 ± 0.25	100 ± 0.00	–	–	–	–	–	–
	Control	0	0	0	0	0	0	0	0	0	0