Skip to main content

Advertisement

Table 2 Toxicity of Bacillus thuringiensis svar. israelensis (IPS82) against third-instar Aedes spp. larvae

From: Insecticide susceptibility of Aedes albopictus and Ae. aegypti from Brazil and the Swiss-Italian border region

Species Colony Number LC50 (95% CI)a RRb LC90 (95% CI)
Ae. albopictus RecLalbb 1080 0.009 (0.008–0.011) 0.028 (0.023–0.037)
  TICINO 1440 0.015 (0.012–0.018) 1.7 0.036 (0.030–0.060)
  COMO 1120 0.015 (0.012–0.016) 1.7 0.030 (0.026–0.036)
  SPalb 1560 0.015 (0.011–0.020) 1.7 0.036 (0.027–0.098)
Ae. aegypti Rockefellerc 1320 0.008 (0.007–0.009) 0.026 (0.021–0.036)
  RecL 1080 0.013 (0.011–0.015) 1.6 0.032 (0.027–0.039)
  SPaeg 1140 0.014 (0.012–0.016) 1.7 0.029 (0.025–0035)
  RF 1860 0.013 (0.012–0.016) 1.6 0.037 (0.030–0.050)
  1. aConcentration (mg/l) that is lethal to 50% or 90% of the larvae over a 24 h exposure, mean and 95% confidence interval
  2. bResistance ratio (RR) between the LCs of the test colony and the reference colony
  3. cReference colony