Table 3.

Persistency of deltamethrin with/without piperonyl but oxide on cement 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	50	42	84.0 ± 1.7	49	49	100.0 ± 0.0	50	50	100.0 ± 0.0	50	50	100.0 ± 0.0	40	3	7.5
5	51	45	88.2 ± 1.7	50	44	88.0 ± 2.0	50	50	100.0 ± 0.0	50	50	100.0 ± 0.0	40	5	12.5
15	50	50	100.0 ± 0.0	50	50	100.0 ± 0.0	50	50	100.0 ± 0.0	50	50	100.0 ± 0.0	40	2	5
30	50	46	92.0 ± 2.0	49	45	91.8 ± 3.5	49	45	91.8 ± 3.5	50	45	90.0 ± 3.2	40	2	5
45	50	37	74.0 ± 2.2	50	42	84.0 ± 2.2	50	42	84.0 ± 2.2	50	47	94.0 ± 2.4	40	3	7.5
60	49	36	73.5 ± 1.8	50	40	80.0 ± 3.2	50	40	80.0 ± 3.2	50	42	84.0 ± 2.2	40	2	5
75	51	36	70.6 ± 5.8	50	42	84.0 ± 2.6	50	42	84.0 ± 2.6	50	42	84.0 ± 2.2	40	4	10
90	49	34	69.4 ± 3.1	50	35	70.0 ± 3.3	50	32	64.0 ± 2.4	50	37	74.0 ± 2.7	40	0	0
105	50	32	64.0 ± 2.8	50	27	54.0 ± 1.6	50	27	54.0 ± 1.6	50	35	70.0 ± 3.5	40	1	2.5
120	50	25	50.0 ± 1.8	50	25	50.0 ± 3.2	50	25	50.0 ± 3.2	50	27	54.0 ± 2.7	40	2	5