Table 5.

Impact of aerial spraying on tsetse density

Control	Period	No. of traps	Male	Female	Total	Reduction rate (%)
Before spraying	16/03/10	52	1.68 ± 2.7	2.70 ± 3.6	4.38 ± 6.0	0.00
After 1st cycle	06/04/10	26	0.77 ± 1.2	1.31 ± 1.4	2.08 ± 2.5	52.63
After spraying	25/12/10	69	0.03 ± 0.1	0.01 ± 0.1	0.04 ± 0.2	99.01
	10/12/11	76	0.14 ± 0.3	0.11 ± 0.3	0.25 ± 0.5	94.20
	10/05/13	62	0.09 ± 0.3	0.08 ± 0.3	0.16 ± 0.6	96.32