Table 2 Field susceptibility tests carried out on An. arabiensis caught in Gwave in February, 2006 and January, 2008 (* Resistant according to WHO criteria).
| Â | Insecticides | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | 0.75% Permethrin (Pyrethroid) | 4% DDT (Organochlorine) | 4% dieldrin (Cyclodienes) | 0.1% bendiocarb (Carbamate) | 5% malathion (Organophosphates) | |||||
Collection period | Total (n) | (%) mort | Total (n) | (%) mort | Total (n) | (%) mort | Total (n) | (%) mort | Total (n) | (%) mort |
February, 2006 | 87 | 47* | 110 | 68.4* | 37 | 100 | 40 | 100 | 52 | 100 |
January, 2008 | 66 | 68.18* | 75 | 96* | - | - | 100 | 98.9 | - | - |