Table 1.
Toxicity of Bacillus thuringiensis sp. israelensis (Bti H14), Bacillus wiedmannii biovar thuringiensis (Bwt FCC 41) and Lysinibacillus sphaericus (Ls 2362) strains against Culex quinquefasciatus larvae infected with Wolbachia (w+) or treated with antibiotics (w−).
| Bacterial strain | Cx. quinquefasciatus (w+) | Cx. quinquefasciatus ( w−) | Slope (± SE) | |
|---|---|---|---|---|
| LC50 (fiducial limits)a | LC50 (fiducial limits)a | w+ | w− | |
| Bti H14 | 0.037 (0.027–0.052) | 0.028 (0.025–0.031) | 2.5 (± 0.2) | 2.6 (± 0.2) |
| Bwt FCC41 | 0.128 (0.085–0.176) | 0.072 (0.050–0.090) | 1.7 (± 0.2) | 1.8 (± 0.3) |
| Ls 2362 | 0.238 (0.166–0.351) | 0.055 (0.035–0.075) | 1.8 (± 0.2) | 1.1 (± 0.2) |
a24 hours mortality, in micrograms/milliliter.
95% confidential limits calculated by Probit statistical analysis. All values indicated were significantly different between mosquito lines according to ratio tests (p < 0.05).