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1 December 2017 Preliminary Results On the Efficacy of Macroalgal Extracts Against Larvae of Aedes albopictus
Simona Armeli Minicante, Sara Carlin, Marica Stocco, Adriano Sfriso, Gioia Capelli, Fabrizio Montarsi
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Abstract

Activity of ethanolic extracts of the algae Ulva rigida, Asparagopsis taxiformis, Dictyota dichotoma, and Cystoseira barbata, collected along Italian coasts, was tested against larvae of the Asian tiger mosquito (Aedes albopictus), a vector of pathogens for animals and humans. Tests were carried out using 10 specimens of 3rd-stage larvae per test, following the World Health Organization standard protocol with minor modifications. Among algal extracts, only D. dichotoma was active against the larvae of Ae. albopictus. Ethanolic extracts of that species showed LC90 (the concentration that kills 90% of larvae) and LC50 (the concentration that kills 50% of larvae) values at 44.32 and 85.92 mg/liter, respectively. Based on the data obtained, D. dichotoma biometabolic extracts could be potential candidates as larvicide compounds to control Ae. albopictus, encouraging the use of macroalgae as natural resources in integrated vector management strategies.

Copyright © 2017 by The American Mosquito Control Association, Inc.
Simona Armeli Minicante, Sara Carlin, Marica Stocco, Adriano Sfriso, Gioia Capelli, and Fabrizio Montarsi "Preliminary Results On the Efficacy of Macroalgal Extracts Against Larvae of Aedes albopictus," Journal of the American Mosquito Control Association 33(4), 352-354, (1 December 2017). https://doi.org/10.2987/17-6638.1
Published: 1 December 2017
JOURNAL ARTICLE
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KEYWORDS
Aedes albopictus
algal biometabolites
Asian tiger mosquito
Dictyota dichotoma
larvicidal activity
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