Table 3.
Mortality rate and susceptibility status of Aedes aegypti populations from Ceará-Brazil to the pyrethroid cypermethrin.
| Mortality rate (%) after cypermethrin exposure (8 μg/bottle) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Exposure time | Time for recovery | |||||||
| Populations | Number of females |
15 min | 30 min | 60 min | 90 min | 2 hours | 24 hours | Susceptibility Status |
| Crato | 139 | 70.6 | 90.3 | 97.3 | 99.0 | 100 | 49.9 | Resistant |
| Barbalha | 148 | 62.6 | 87.2 | 93.3 | 95.8 | 99.3 | 65.8 | Resistant |
| Juazeiro do Norte | 163 | 88.7 | 92.0 | 99.0 | 99.0 | 100 | 97.0 | Verification required |
| Rockefeller* | 138 | 100 | - | - | - | - | 100 | Susceptible |
*Control strain