Table 4.

Persistence of deltamethrin with/without piperonyl but oxide on wood surface against Anopheles stephensi, 2015–2016

Days after spraying	Concentrations												Control
	Concentration 1			Concentration 2			Concentration 3			Concentration 4
	Total	Dead	Mortality ±SE	Total	Dead	Mortality ±SE	Total	Dead	Mortality ±SE	Total	Dead	Mortality ±SE	Total	Dead	Mortality
1	49	46	93.9 ± 2.5	50	50	100.0 ± 0.0	51	51	100.0 ± 0.0	51	51	100.0 ± 0.0	40	3	7.5
5	50	42	84.0 ± 2.2	50	45	90.0 ± 0.0	50	50	100.0 ± 0.0	50	50	100.0 ± 0.0	40	5	12.5
15	51	51	100.0 ± 0.0	50	47	94.0 ± 2.5	50	47	94.0 ± 2.5	50	48	96.0 ± 2.3	40	2	5
30	49	49	100.0 ± 0.0	49	49	100.0 ± 0.0	49	49	100.0 ± 0.0	49	47	95.9 ± 2.4	40	2	5
45	51	39	76.5 ± 2.2	50	40	80.0 ± 3.2	50	40	80.0 ± 3.2	51	45	88.2 ± 5.8	40	3	7.5
60	49	34	69.4 ± 1.8	50	38	76.0 ± 2.5	50	38	76.0 ± 2.5	50	42	84.0 ± 2.4	40	2	5
75	50	35	70.0 ± 2.4	50	38	76.0 ± 4.2	50	38	76.0 ± 4.2	50	38	76.0 ± 4.2	40	4	10
90	50	31	62.0 ± 4.7	50	34	68.0 ± 2.0	50	32	64.0 ± 3.3	50	33	66.0 ± 2.4	40	0	0
105	50	23	46.0 ± 4.1	50	30	60.0 ± 1.3	50	30	60.0 ± 1.3	50	28	56.0 ± 3.6	40	1	2.5
120	50	25	50.0 ± 2.3	50	23	46.0 ± 3.0	50	23	46.0 ± 3.0	50	26	52.0 ± 1.2	40	2	5