Table 3 Effect of sub-lethal concentrations of neem and corn oil formulations on mean (± SD) and maximum (between brackets) adult An. gambiae s.s. longevity (in days).
Concentration (ppm) | 8 | 4 | 2 | Control | ||||
|---|---|---|---|---|---|---|---|---|
| Â | Male | Female | Male | Female | Male | Female | Male | Female |
Neem†| 17.6 ± 1.8 (26) | 19.6 ± 1.7 (27) | 19.4 ± 2.1 (26) | 20.3 ± 2.1 (26) | 20.9 ± 1.9 (26) | 21.8 ± 1.6 (31) | 22.1 ± 2.7 (38) | 27.3 ± 2.4 (42) |
Corn | 25.1 ± 3.0 (38) | 21.6 ± 2.6 (35) | 24.6 ± 2.9 (38) | 26.2 ± 2.9 (31) | 21.2 ± 2.7 (38) | 29 ± 1.9 (33) |  |  |