Different susceptibilities of Aedes aegypti and Aedes albopictus larvae to plant-derived products.

Rev Soc Bras Med Trop 2019 Apr 11;52:e20180197. Epub 2019 Apr 11.

Mestrado Acadêmico em Sociobiodiversidade e Tecnologias Sustentáveis, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, CE, Brasil.

Introduction: Aedes aegypti and Aedes albopictus are important vectors that transmit arboviruses to human populations.

Methods: Natural products were obtained and tested against larvae collected from the field in Fortaleza, capital of Ceará state.

Results: The essential oils of Syzygium aromaticum (Ae. aegypti LC50 = 32.7 ppm and Ae. albopictus LC50 = 138.1 ppm) and Croton nepetaefolius (Ae. aegypti LC50 = 81.7 ppm and Ae. albopictus LC50 = 76.1 ppm) showed the most intense larvicidal activity.

Conclusions: The essential oils and methyl esters showed greater larvicidal activity than did the ethanol extracts.

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http://dx.doi.org/10.1590/0037-8682-0197-2018DOI Listing
April 2019
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