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Table 5 Lethal concentrations for adulticides in Aedes albopictus from the Swiss-Italian border region

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

Insecticide Population Numbera LC50 b  Mean (95% CI) LC90 b  Mean (95% CI)
Bendiocarb TICINO 463 0.015 (0.014–0.017) 0.021 (0.019–0.024)
  COMO 470 0.017 (0.016–0.019) 0.027 (0.024–0.031)
DDT TICINO 523 1.359 (1.220–1.514) 3.048 (2.557–3.635)
  COMO 470 1.126 (1.003–1.263) 2.807 (2.309–3.413)
λ-cyhalothrin TICINO 440 0.007 (0.006–0.007) 0.012 (0.010–0.014)
  COMO 426 0.006 (0.006–0.007) 0.011 (0.010–0.013)
Malathion TICINO 489 0.116 (0.104–0.128) 0.262 (0.222–0.310)
  COMO 486 0.120 (0.108–0.133) 0.284 (0.239–0.338)
Permethrin TICINO 481 0.046 (0.042–0.051) 0.094 (0.081–0.110)
  COMO 430 0.051 (0.047–0.056) 0.092 (0.079–0.106)
  1. aTotal number of mosquitoes exposed across 5–6 concentrations
  2. bConcentrations are expressed as % insecticide on the filter paper in the WHO insecticide susceptibility assay to kill 50% (LC50) and 90% (LC90) of the mosquito population over a 24 h holding period