| Concentration (ppm) | Lethal concentration (ppm) | ||||||
---|---|---|---|---|---|---|---|---|
Time | 25 | 10 | 5 | 2.5 | 1 | Control | LC50 | 95Â % CI |
An. arabiensis* | ||||||||
 24 h | 100 ± 0.00 | 62 ± 10.37 | 20 ± 6.12 | 13 ± 9.08 | 0 ± 0.00 | 0 ± 0.00 | 7.37 | 3.98–12.64 |
 48 h | 100 ± 0.00 | 69 ± 9.62 | 33 ± 9.08 | 17 ± 10.37 | 0 ± 0.00 | 0 ± 0.00 | 6.22 | 3.04–11.06 |
 72 h | 100 ± 0.00 | 76 ± 9.62 | 43 ± 9.08 | 25 ± 10.00 | 0 ± 0.00 | 0 ± 0.00 | 5.20 | 2.17–9.70 |
An. gambiae (s.s.)* | ||||||||
 24 h | 100 ± 0.00 | 69 ± 17.10 | 42 ± 8.37 | 25 ± 14.58 | 0 ± 0.00 | 0 ± 0.00 | 5.52 | 2.68–9.65 |
 48 h | 100 ± 0.00 | 78 ± 2.24 | 56 ± 12.94 | 32 ± 14.40 | 0 ± 0.00 | 0 ± 0.00 | 4.45 | 1.55–8.71 |
 72 h | 100 ± 0.00 | 88 ± 9.08 | 70 ± 11.18 | 38 ± 14.40 | 0 ± 0.00 | 0 ± 0.00 | 3.60 | 0.29–8.71 |