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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
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Parasites & Vectors

ISSN: 1756-3305

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