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 | ||||
| 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) |
||
† Third and fourth instar larval stages were treated.