Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)

Aedes aegypti L. is the most important mosquito in terms of public health in the world. It transmits a virus that causes several diseases, among them, dengue fever. Traditionally, the intensive use of insecticides has been the main strategy to control A. aegypti and to eliminate adult mosquitos or t...

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Autores principales:	da Silva,Toshik Iarley, Leite Alves,Antonio Carlos, de Azevedo,Francisco Roberto, Araújo Marco,Cláudia, dos Santos,Hernandes Rufino, Azevedo,Raul
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ciencias Agronómicas 2017
Materias:	Dengue fever Biolarvicide Medicinal plants
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292017000200009
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spelling	oai:scielo:S0718-342920170002000092017-09-25Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)da Silva,Toshik IarleyLeite Alves,Antonio Carlosde Azevedo,Francisco RobertoAraújo Marco,Cláudiados Santos,Hernandes RufinoAzevedo,Raul Dengue fever Biolarvicide Medicinal plants Aedes aegypti L. is the most important mosquito in terms of public health in the world. It transmits a virus that causes several diseases, among them, dengue fever. Traditionally, the intensive use of insecticides has been the main strategy to control A. aegypti and to eliminate adult mosquitos or their larvae; however, this may lead to resistance by the mosquitos and damages to human health and the environment. Essential oils from medicinal plants have shown high efficiency as alternative larvicides. Therefore, the objective of this paper was to evaluate the larvicide potential of Vanillosmopsis arborea and Hyptis suaveolens on Aedes aegypti larvae. The essential oils were extracted by the hydrodistillation method using a Clevenger equipment. The completely randomized design (CRD) was used with a 2x5 factorial, with two essential oils and five concentration levels (200; 150; 100; 50; and 0 ppm). Each one of the ten treatments was replicated four times with ten larvae each, totaling 40 plots. Analyses were made regarding LC10, LC50, LC90, test of means, and regression and efficiency analysss. The V. arborea oil showed values of LC W = 39.69 ppm, LC50 = 48.98 ppm, and LC90 = 60.45 ppm, while the H. suaveolens oil showed values of LC W = 78.46 ppm, LC50 = 139.7 ppm and LC90 = 246.48 ppm. The main chemical component of V. arborea was a-bisabolol (94.17%), while for H. suaveolens, it was 1,8-cineol (72.23%). The essential oils showed a larvicide effect on A. aegypti larvaeinfo:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de Ciencias AgronómicasIdesia (Arica) v.35 n.2 20172017-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292017000200009en10.4067/S0718-34292017005000026
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Dengue fever Biolarvicide Medicinal plants
spellingShingle	Dengue fever Biolarvicide Medicinal plants da Silva,Toshik Iarley Leite Alves,Antonio Carlos de Azevedo,Francisco Roberto Araújo Marco,Cláudia dos Santos,Hernandes Rufino Azevedo,Raul Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)
description	Aedes aegypti L. is the most important mosquito in terms of public health in the world. It transmits a virus that causes several diseases, among them, dengue fever. Traditionally, the intensive use of insecticides has been the main strategy to control A. aegypti and to eliminate adult mosquitos or their larvae; however, this may lead to resistance by the mosquitos and damages to human health and the environment. Essential oils from medicinal plants have shown high efficiency as alternative larvicides. Therefore, the objective of this paper was to evaluate the larvicide potential of Vanillosmopsis arborea and Hyptis suaveolens on Aedes aegypti larvae. The essential oils were extracted by the hydrodistillation method using a Clevenger equipment. The completely randomized design (CRD) was used with a 2x5 factorial, with two essential oils and five concentration levels (200; 150; 100; 50; and 0 ppm). Each one of the ten treatments was replicated four times with ten larvae each, totaling 40 plots. Analyses were made regarding LC10, LC50, LC90, test of means, and regression and efficiency analysss. The V. arborea oil showed values of LC W = 39.69 ppm, LC50 = 48.98 ppm, and LC90 = 60.45 ppm, while the H. suaveolens oil showed values of LC W = 78.46 ppm, LC50 = 139.7 ppm and LC90 = 246.48 ppm. The main chemical component of V. arborea was a-bisabolol (94.17%), while for H. suaveolens, it was 1,8-cineol (72.23%). The essential oils showed a larvicide effect on A. aegypti larvae
author	da Silva,Toshik Iarley Leite Alves,Antonio Carlos de Azevedo,Francisco Roberto Araújo Marco,Cláudia dos Santos,Hernandes Rufino Azevedo,Raul
author_facet	da Silva,Toshik Iarley Leite Alves,Antonio Carlos de Azevedo,Francisco Roberto Araújo Marco,Cláudia dos Santos,Hernandes Rufino Azevedo,Raul
author_sort	da Silva,Toshik Iarley
title	Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)
title_short	Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)
title_full	Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)
title_fullStr	Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)
title_full_unstemmed	Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)
title_sort	larvicide activity of essential oils on aedes aegypti l. (díptera: culicidae)
publisher	Universidad de Tarapacá. Facultad de Ciencias Agronómicas
publishDate	2017
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292017000200009
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Larvicide activity of essential oils on Aedes aegypti L. (Díptera: Culicidae)

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