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Table 4 Lethal concentrations for Vectomax® and Lysinibacillus sphaericus (SPH88) against third-instar Aedes albopictus larvae

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

Larvicide Colony Number LC50 a Mean (95% CI) RRb LC90 a Mean (95% CI) RRb
Vectomax® RecLalb 1140 0.087 (0.080–0.094) 0.163 (0.145–0.190)
  TICINO 1440 0.131 (0.118–0.144) 1.5 0.221 (0.194–0.228) 1.4
  COMO 1120 0.076 (0.069–0.083) 0.9 0.145 (0.130–0.169) 0.9
  SPalb 1260 0.092 (0.077–0.105) 1.1 0.191 (0.159–0.305) 1.2
L. sphaericus RecLalb 1080 0.084 (0.070–0.099) 0.336 (0.239–0.630)
  1. aConcentration (mg/l) that is lethal for 50% or 90% of larvae over a 48 h exposure, mean and 95% confidence limits
  2. bResistance ratio (RR) between the test colonies and the RecLalb reference colony