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Table 1 Lethal concentration for 95% of individuals (LC95) and resistance ratio (RR) to temephos, estimated for Aedes aegypti populations from Ceará State.

From: Insecticide resistance in Aedes aegypti populations from Ceará, Brazil

Populations

Number

of larvae

LC95(mg/L)

(Confidence interval 95%)

Resistance ratio

(RR95)

Crato

960

3.279 (1.316-11.429)

192.7

Barbalha

1380

0.510 (0.277-0.893)

30.0

Juazeiro do Norte

960

0.123 (0.094-0.177)

7.2

Rockefeller*

1440

0.017 (0.014-0.018)

1.0

  1. *Control strain