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Table 3 Toxicity of Cry11Aa and Cry4Ba against third-instar Aedes spp. larvae

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

  

Cry11Aa

Cry4Ba

Species

Colony

n

LC50 (95% CI)a

RRb

n

LC50 (95% CI)a

RRc

Ae. albopictus

RecLalbb

1500

0.410 (0.311–0.514)

–

1380

0.595 (0.431–0.787)

–

 

TICINO

1020

0.539 (0.437–0.648)

1.3

1440

0.483 (0.213–0.839)

0.8

 

COMO

1120

0.650 (0.517–0.798)

1.6

1060

0.782 (0.589–1.042)

1.3

 

SPalb

1500

0.432 (0.335–0.530)

1.1

980

0.830 (0.622–1.095)

1.4

Ae. aegypti

Rockefellerc

1080

0.162 (0.121–0.210)

–

1120

0.331 (0.209–0.492)

–

 

SPaeg

1140

0.266 (0.207–0.339)

1.6

1140

0.685 (0.482–0.969)

2.1

  1. aConcentration (mg/l) that is lethal for 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
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Parasites & Vectors

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