Fig. 2From: Evaluation of resistance to pyrethroid and organophosphate adulticides and kdr genotyping in Aedes aegypti populations from Roraima, the northernmost Brazilian StateEvaluation of mortality of Ae. aegypti from Roraima caused by the organophosphate malathion. Bars indicate the mean percent mortality (± standard error of the mean) registered 24 h after exposure to malathion 0.7% for 1 h. Populations with mortality > 90% (red dotted line) are classified as resistant to the insecticideBack to article page