Table 3 Larval mean percentage mortality of An.gambiae ss and Cx. quinquefasciatus in a concentration gradient of the S. terebinthifolia fruits extracts in 12, 24, 48 and 72 hours bioassay
Experiments | Mosquito species | Concentration (ppm) | Larval mortality % (mean ± SE) | |||
|---|---|---|---|---|---|---|
| Â | Â | Â | 12 hours | 24 hours | 48 hours | 72 hours |
Laboratory | An. gambiae ss | Control | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
|  |  | Control blank | 0.00 ± 0.00 | 0.00 ± 0.00 | 4.00 ± 0.28 | 4.00 ± 0.28 |
|  |  | 202.15 | 0.00 ± 0.00 | 12.00 ± 0.60 | 21.50 ± 0.70 | 29.00 ± 0.20 |
|  |  | 404.30 | 0.00 ± 0.00 | 13.50 ± 0.70 | 23.50 ± 0.70 | 36.50 ± 0.30 |
|  |  | 808.60 | 71.70 ± 1.00 | 100.00 ± 0.00 | 100.00 ± 0.00 | 100.00 ± 0.00 |
|  |  | 1617.20 | 72.50 ± 1.83 | 100.00 ± 0.00 | 100.00 ± 0.00 | 100.00 ± 0.00 |
|  |  | 2625.20 | 91.70 ± 0.17 | 100.00 ± 0.00 | 100.00 ± 0.00 | 100.00 ± 0.00 |
|  | Cx. | Control | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
|  | quinquefasciatus | Control blank | 0.00 ± 0.00 | 0.00 ± 0.00 | 3.00 ± 3.00 | 3.00 ± 3.00 |
|  |  | 202.15 | 0.00 ± 0.00 | 3.00 ± 0.40 | 5.00 ± 1.00 | 5.50 ± 0.90 |
|  |  | 404.30 | 0.00 ± 0.00 | 0.00 ± 0.00 | 2.00 ± 0.01 | 100.00 ± 0.00 |
|  |  | 808.60 | 27.50 ± 0.50 | 70.50 ± 0.10 | 99.50 ± 0.10 | 100.00 ± 0.00 |
|  |  | 1617.20 | 42.50 ± 3.10 | 87.50 ± 1.30 | 100.00 ± 0.00 | 100.00 ± 0.00 |
|  |  | 2625.20 | 87.50 ± 0.10 | 99.50 ± 0.10 | 100.00 ± 0.00 | 100.00 ± 0.00 |
Semi field | An. gambiae ss | Control | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
|  |  | Control blank | 0.00 ± 0.00 | 0.00 ± 0.00 | 2.00 ± 2.00 | 2.00 ± 2.00 |
|  |  | 202.15 | 3.80 ± 0.24 | 30.30 ± 0.42 | 64.00 ± 0.33 | 81.00 ± 0.42 |
|  |  | 404.30 | 13.50 ± 0.13 | 26.00 ± 0.33 | 73.50 ± 0.37 | 95.00 ± 0.52 |
|  |  | 808.60 | 26.50 ± 0.27 | 37.50 ± 0.34 | 87.00 ± 0.27 | 100.00 ± 0.00 |
|  |  | 1617.20 | 27.00 ± 0.29 | 97.70 ± 0.08 | 100.00 ± 0.00 | 100.00 ± 0.00 |
|  |  | 2625.20 | 39.40 ± 0.14 | 99.20 ± 0.16 | 100.00 ± 0.00 | 100.00 ± 0.00 |
|  | Cx. | Control | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
|  | quinquefasciatus | Control blank | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
|  |  | 202.15 | 2.80 ± 0.22 | 19.00 ± 0.36 | 34.50 ± 0.38 | 70.00 ± 0.42 |
|  |  | 404.30 | 5.70 ± 0.19 | 21.00 ± 0.25 | 44.00 ± 0.47 | 84.50 ± 0.31 |
|  |  | 808.60 | 11.80 ± 0.18 | 34.50 ± 0.31 | 58.00 ± 0.31 | 100.00 ± 0.00 |
|  |  | 1617.20 | 11.00 ± 0.25 | 97.70 ± 0.11 | 97.80 ± 0.06 | 100.00 ± 0.00 |
|  |  | 2625.20 | 31.90 ± 0.22 | 100.00 ± 0.00 | 100.00 ± 0.00 | 100.00 ± 0.00 |