Table 2.

Average number of Anopheles larvae and percentage reduction for different Bti concentrations (VectoBac® WDG) after larvicide application in open field trials from December 26th 2012 on

	Average number per tub															Percentage reduction
	Early instars					Late instars					Pupae					Early instars				Late instars
Day	C	T1	T2	T3	T4	C	T1	T2	T3	T4	C	T1	T2	T3	T4	T1	T2	T3	T4	T1	T2	T3	T4
0*	35.0	35.0	35.0	35.0	35.0	35.0	35.0	35.0	35.0	35.0	0.0	0.0	0.0	0.0	0.0
1	35.0	0.0	0.0	0.0	0.0	34.0	0.0	0.0	0.0	0.0	1.8	0.0	0.0	0.0	0.0	100	100	100	100	100	100	100	100
2	30.5	2.3	0.0	0.0	0.0	25.0	0.0	0.0	0.0	0.0	8.0	0.0	0.0	0.0	0.0	93	100	100	100	100	100	100	100
3	19.8	3.0	3.8	7.5	0.0	25.8	0.0	0.0	0.0	0.0	10.5	0.0	0.0	0.0	0.0	85	81	62	100	100	100	100	100
4	18.8	11.3	6.5	12.3	0.0	23.0	2.0	0.0	0.0	0.0	6.3	0.0	0.0	0.0	0.0	40	65	35	100	91	100	100	100
5	21.3	14.8	11.8	12.8	20.5	15.8	2.5	2.0	0.0	12.3	0.0	0.0	0.0	0.0	0.0	31	45	40	4	84	100	87	100
6	17.0	12.5	15.5	14.0	14.8	18.5	3.5	2.0	2.8	5.8	6.0	0.0	0.0	0.0	0.0	26	9	18	13	81	89	85	69
7*	9.5	7.3	14.8	9.8	10.3	17.3	10.3	4.5	5.8	8.8	8.5	0.0	0.0	0.0	0.0	24	0	0	0	41	74	67	49
8	6.3	0.5	0.0	0.0	0.0	15.0	0.0	0.0	0.0	0.0	5.8	0.0	0.0	0.0	0.0	90	100	100	100	100	100	100	100
9	7.3	0.5	0.0	0.0	0.0	9.5	0.0	0.0	0.0	0.0	3.8	0.0	0.0	0.0	0.0	91	100	100	100	100	100	100	100
10	5.0	0.5	0.0	0.0	0.0	7.8	0.0	0.0	0.0	0.0	1.8	0.0	0.0	0.0	0.0	87	100	100	100	100	100	100	100
11	18.5	19.0	0.0	7.8	17.3	6.5	0.0	0.0	0.0	0.0	3.0	0.0	0.0	0.0	0.0	0	100	59	14	100	100	100	100
12	20.8	17.0	4.0	13.0	19.3	6.5	1.8	0.0	0.0	1.0	4.3	0.0	0.0	0.0	0.0	0	88	39	14	55	100	100	70
13	17.8	11.3	6.5	12.3	13.3	6.3	7.5	0.0	1.0	4.5	1.8	0.0	0.0	0.0	0.0	17	76	33	31	0	100	52	0
14*	12.3	5.5	6.5	9.8	11.3	7.0	10.3	1.3	2.8	11.5	3.0	0.0	0.0	0.0	0.0	41	66	22	15	0	32	0	0
15	5.5	0.0	0.0	0.0	0.0	9.0	0.0	0.0	0.0	0.0	3.8	0.0	0.0	0.0	0.0	100	100	100	100	100	100	100	100
16	1.0	0.0	0.0	0.0	0.0	7.8	0.0	0.0	0.0	0.0	5.3	0.0	0.0	0.0	0.0	100	100	100	100	100	100	100	100
17	8.0	0.0	0.0	1.3	0.0	5.5	0.0	0.0	0.0	0.0	3.5	0.0	0.0	0.0	0.0	100	100	100	100	100	100	100	100
18	18.3	17.3	10.5	9.8	5.0	1.0	0.0	0.0	0.0	0.0	5.0	0.0	0.0	0.0	0.0	0	0	33	70	100	100	100	70
19	17.5	18.3	10.5	9.8	8.5	1.8	2.5	0.0	0.0	0.0	0.8	0.0	0.0	0.0	0.0	0	0	30	47	2	100	100	100
20	14.8	13.5	17.0	11.3	4.3	6.0	7.3	1.8	0.5	2.3	0.5	0.0	0.0	0.0	0.0	0	0	4	69	17	0	79	77
21*	8.0	8.5	16.5	10.5	2.3	8.3	12.3	2.5	1.5	3.3	3.3	0.0	0.0	0.0	0.0	0	0	0	69	0	0	54	76
22	7.0	0.0	0.0	0.0	0.0	4.8	0.8	0.0	0.0	0.0	3.0	1.0	0.0	0.8	0.0	100	100	100	100	89	100	100	100
23	11.0	0.0	0.0	0.0	0.0	6.8	0.8	0.0	0.0	0.0	0.8	0.0	0.0	0.0	0.0	100	100	100	100	100	100	100	100
24	12.0	0.0	0.0	4.0	0.0	4.8	0.8	0.0	0.0	0.0	3.0	0.0	0.0	0.0	0.0	100	100	75	100	89	100	100	100
25	14.8	8.0	0.0	6.0	0.0	4.5	0.0	0.0	0.0	0.0	1.3	0.8	0.0	0.0	0.0	49	100	69	100	100	100	100	100
26	13.5	14.8	0.0	9.8	5.0	5.0	0.0	0.0	1.0	0.0	1.3	0.0	0.0	0.0	0.0	0	100	45	0	100	100	0	100
27	13.0	10.0	2.0	11.5	4.8	6.3	3.8	0.0	1.0	0.3	3.3	0.0	0.0	0.0	0.0	28	93	33	0	60	100	12	90
28	12.0	8.3	5.8	10.3	2.8	3.8	8.5	1.3	2.5	2.3	3.3	0.8	0.8	0.0	0.0	35	77	35	19	0	0	0	0

*Asterisks indicate days with larvicide application. C = control, T₁ = 0,2 mg/l, T₂ = 0,4 mg/l, T₃ = 0,8 mg/l, T₄ = 1,0 mg/l Placeholder Table 2.