Table 3 Susceptibility values (LC50 and LC90 expressed in % of active ingredient) of different European populations of Culicoides imicola to different active ingredients. Mortality was recorded 24 h after 1 h exposure to different concentrations
Active ingredient | Corsica, France | Catalonia, Spain | ||||
|---|---|---|---|---|---|---|
No. test | LC50 % | LC90 % | No. test | LC50 % | LC90 % | |
(n) | (95 % CI) | (95 % CI) | (n) | (95 % CI) | (95 % CI) | |
Deltamethrin | 3 | 0.0002 | 0.0008 | 3 | 0.0003 | 0.0023 |
(2,525) | (0.0001–0.0002) | (0.0005–0.0014) | (378) | (0.0002–0.0004) | (0.0016–0.0037) | |
Alpha-cypermethrin | 4 | 0.0008 | 0.0034 | |||
(2.084) | NA | NA | ||||
Permethrin | 4 | 0.0194 | 0.0812 | 2 | 0.0175 | 0.1071 |
(1.562) | (0.0171–0.0219) | (0.0695–0.0975) | (123) | NA | NA | |
Chlorpyrifos-methyl | 1 | 0.0274 | 0.1273 | |||
(122) | (0.0176–0.0388) | (0.0784–0.3535) | ||||
Phoxim | 2 | 0.1053 | 0.2441 | |||
(2,207) | NA | NA | ||||
Diazinon | 2 | 0.1031 | 0.3424 | |||
(1,704) | NA | NA | ||||