Insecticide (mg/m2) | Mortality (%) | Penetration (%) | Blood-feeding (%) | Blood-feeding inhibition (%) | |||
---|---|---|---|---|---|---|---|
Immediate | 24Â h | 48Â h | 72Â h | ||||
Culex quinquefasciatus TPRI (pyrethroid susceptible) | |||||||
 Untreated | 0a | 1a | 8a | 11a | 57a | 53a | NA |
 Alphacypermethrin 20 | 50b | 52b | 59b | 59b | 13b | 1b | 98 |
 Alphacypermethrin 40 | 68c | 69c | 78c | 78c | 12b | 0b | 100 |
 Indoxacarb 500 | 42b | 54b | 63b | 67b | 3c | 0b | 100 |
Culex quinquefasciatus Muheza (pyrethroid resistant) | |||||||
 Untreated | 0a | 2a | 3a | 4a | 67a | 62a | NA |
 Alphacypermethrin 20 | 11b | 22b | 27b | 29b | 34b | 17b | 73 |
 Alphacypermethrin 40 | 8b | 17b | 19b | 21c | 7c | 4c | 94 |
 Indoxacarb 500 | 8b | 58c | 66c | 75d | 25d | 15b | 76 |