Table 2 Insecticide susceptibility of Belgian Cx. pipiens as assessed with WHO susceptibility tests with five chemical insecticides and WHO larvicidal bioassay with Bti
From: Phenotypic insecticide resistance status of the Culex pipiens complex: a European perspective
Insecticide class | Insecticide | Discriminating concentration (%) 1-h exposure | Number of mosquitoes (n) | Mortality (%) | Status | Control | Number of mosquitoes (n) | Mortality (%) |
|---|---|---|---|---|---|---|---|---|
Pyrethroid | Permethrin | 0.75 | 80 | 77.5 | Rc | Silicone oil | 40 | 0 |
Deltamethrin | 0.05 | 79 | 83.5 | R | Silicone oil | 40 | 2.5 | |
Organophosphate | Malathion | 5 | 84 | 100 | Sa | Olive oil | 42 | 7.1 |
Carbamate | Bendiocarb | 0.1 | 81 | 90.1 | PRb | Olive oil | 40 | 0 |
Organochlorin | DDT | 4 | 82 | 23.2 | R | Risella oil | 42 | 0 |
Insecticide class | Insecticide | Number of mosquitoes (n) | LC50 (95% CI) | LC95 (95% CI) | Status | Control | Number of mosquitoes (n) | Mortality (%) |
|---|---|---|---|---|---|---|---|---|
Biological | Bti | 400 | 0.15 (0.11–1.00) | 0.56 (0.25–18.16) | PR | Soft water | 80 | 0 |