Different repellents for Aedes aegypti against blood-feeding and oviposition.

Methyl N,N-dimethyl anthranilate (MDA), ethyl anthranilate (EA) and butyl anthranilate (BA) were previously shown to repel Aedes aegypti mosquitoes from landing on human skin. However, the effect of these compounds on the orientation of flying mosquitoes in a choice situation and their effect on mos...

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Autores principales:	Ali Afify, Bérénice Horlacher, Johannes Roller, C Giovanni Galizia
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7732ac337b694a8c85b3cff3e6c791e6
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spelling	oai:doaj.org-article:7732ac337b694a8c85b3cff3e6c791e62021-11-25T06:06:29ZDifferent repellents for Aedes aegypti against blood-feeding and oviposition.1932-620310.1371/journal.pone.0103765https://doaj.org/article/7732ac337b694a8c85b3cff3e6c791e62014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25079819/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Methyl N,N-dimethyl anthranilate (MDA), ethyl anthranilate (EA) and butyl anthranilate (BA) were previously shown to repel Aedes aegypti mosquitoes from landing on human skin. However, the effect of these compounds on the orientation of flying mosquitoes in a choice situation and their effect on mosquito oviposition are not yet known. Here, we used a modified Y-tube olfactometer to test the effect of these compounds on the orientation of Aedes aegypti flying towards skin odor (human fingers), and we tested their effect on Aedes aegypti oviposition choice in a cage assay. In both behavioral situations we compared the effect to the well-documented repellent N,N-diethyl-meta-toluamide (DEET). MDA, EA, and DEET inhibited Aedes aegypti from flying towards skin odor while BA had no such effect. Conversely, MDA had no effect on oviposition while EA, BA, and DEET deterred oviposition, with the strongest effect observed for BA. Thus, we confirm that EA and DEET are generally repellent, while MDA is repellent only in a host-seeking context, and BA is deterrent only in an oviposition context. These compounds appear of potential use in mosquito control programs.Ali AfifyBérénice HorlacherJohannes RollerC Giovanni GaliziaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 7, p e103765 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ali Afify Bérénice Horlacher Johannes Roller C Giovanni Galizia Different repellents for Aedes aegypti against blood-feeding and oviposition.
description	Methyl N,N-dimethyl anthranilate (MDA), ethyl anthranilate (EA) and butyl anthranilate (BA) were previously shown to repel Aedes aegypti mosquitoes from landing on human skin. However, the effect of these compounds on the orientation of flying mosquitoes in a choice situation and their effect on mosquito oviposition are not yet known. Here, we used a modified Y-tube olfactometer to test the effect of these compounds on the orientation of Aedes aegypti flying towards skin odor (human fingers), and we tested their effect on Aedes aegypti oviposition choice in a cage assay. In both behavioral situations we compared the effect to the well-documented repellent N,N-diethyl-meta-toluamide (DEET). MDA, EA, and DEET inhibited Aedes aegypti from flying towards skin odor while BA had no such effect. Conversely, MDA had no effect on oviposition while EA, BA, and DEET deterred oviposition, with the strongest effect observed for BA. Thus, we confirm that EA and DEET are generally repellent, while MDA is repellent only in a host-seeking context, and BA is deterrent only in an oviposition context. These compounds appear of potential use in mosquito control programs.
format	article
author	Ali Afify Bérénice Horlacher Johannes Roller C Giovanni Galizia
author_facet	Ali Afify Bérénice Horlacher Johannes Roller C Giovanni Galizia
author_sort	Ali Afify
title	Different repellents for Aedes aegypti against blood-feeding and oviposition.
title_short	Different repellents for Aedes aegypti against blood-feeding and oviposition.
title_full	Different repellents for Aedes aegypti against blood-feeding and oviposition.
title_fullStr	Different repellents for Aedes aegypti against blood-feeding and oviposition.
title_full_unstemmed	Different repellents for Aedes aegypti against blood-feeding and oviposition.
title_sort	different repellents for aedes aegypti against blood-feeding and oviposition.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/7732ac337b694a8c85b3cff3e6c791e6
work_keys_str_mv	AT aliafify differentrepellentsforaedesaegyptiagainstbloodfeedingandoviposition AT berenicehorlacher differentrepellentsforaedesaegyptiagainstbloodfeedingandoviposition AT johannesroller differentrepellentsforaedesaegyptiagainstbloodfeedingandoviposition AT cgiovannigalizia differentrepellentsforaedesaegyptiagainstbloodfeedingandoviposition
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Different repellents for Aedes aegypti against blood-feeding and oviposition.

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