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Table 1 Bioassays with the organophosphate malathion (0.7%) in Aedes aegypti populations from Roraima State, Brazil (2016 and 2018)

From: Evaluation of resistance to pyrethroid and organophosphate adulticides and kdr genotyping in Aedes aegypti populations from Roraima, the northernmost Brazilian State

Population

2016

2018

n

Mean mortality ± SD (%)

n

Mean mortality ± SD (%)

Boa Vista

175

97.8 ± 2.48

197

100 ± 0

Bonfim

171

97.1 ± 4.97

181

85.6 ± 16.77

Rorainópolis

185

95.9 ± 2.37

184

94.2 ± 7.51

Pacaraima

188

93.6 ± 8.37

178

84.8 ± 25.01

  1. Abbreviations: n, total number of insects used/ population; SD, standard deviation
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Parasites & Vectors

ISSN: 1756-3305

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