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      Actividad insecticida de aceites esenciales de plantas nativas contra Aedes aegypti (Diptera: Culicidae) Translated title: Insecticidal activity of essential oils from native plants against Aedes aegypti (Diptera: Culicidae)

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          Abstract

          Se evaluó la actividad insecticida de ocho aceites esenciales obtenidos de plantas sobre larvas de tercer estadio y adultos de Aedes aegypti, cepa Rockefeller. Se determinó la línea base de susceptibilidad a través del método estandarizado de la OMS para larvas y los bioensayos en botellas del CDC para adultos. Cananga odorata, presentó la mejor actividad larvicida con una concentración letal media (CL50) de 64,9 ppm y CL99 de 119,8 ppm, seguido por Cymbopogon nardus, Lippia origanoides y Lippia alba con una CL50 de 106,3 ppm, 88,89 ppm y 110,1 ppm, y CL99 de 203,5 ppm, 205,9 ppm y 211,5 ppm, respectivamente. Los aceites con notable actividad adulticida contra A. aegypti correspondieron a C. nardus con una CL50 de 707,1 ppm y CL99 de 1.018 ppm y L. origanoides con una CL50 de 648,3 ppm, y CL99 de 1054 ppm. En conclusión, bajo condiciones de laboratorio, Ca. odorata es eficiente como larvicida. Además, C. nardus y L. origanoides son promisorios para el control tanto de larvas como adultos de A. aegypti. El uso de aceites esenciales de plantas podría ser útil para el control de poblaciones de A. aegypti y otros mosquitos, al tiempo que se constituyen en una alternativa ambientalmente favorable.

          Translated abstract

          The insecticidal activity of eight essential oils from plants was assessed on third stage larvae and adults of Aedes aegypti Rockefeller strain. The baseline susceptibility was determined through the WHO standardized methods for larval bioassays and bottles of adult CDC. Cananga odorata was found that presented the best larvicidal activity with a lethal concentration (LC50) of 64.9 ppm and LC99 of 119.8 ppm, followed by Cymbopogon nardus, Lippia origanoides and Lippia alba with an LC50 of 106.3 ppm, 88.89 ppm and 110.1 ppm, and LC99 of 203.5 ppm, 205.9 ppm and 211.5 ppm, respectively. Oils with remarkable activity adulticide against A. aegypti were C. nardus with 707.1 ppm LC50 and LC99 of 1,018 ppm and L. origanoides with 648.3 ppm LC50 and LC99 of 1.054 ppm. In conclusion it was determined that under laboratory conditions, Ca. odorata is efficient as a larvicide. Additionally, C. nardus and L. origanoides are promising to control both larvae and adults of A. aegypti. The use of plant essential oils could be useful for controlling mosquito populations as A. aegypti, while constituting a favorable alternative to the environment.

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          Most cited references 36

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          A Method of Computing the Effectiveness of an Insecticide

           W. Abbott (1925)
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            The potential of botanical essential oils for insect pest control.

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              Technical Report Series

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcen
                Revista Colombiana de Entomología
                Rev. Colomb. Entomol.
                Sociedad Colombiana de Entomología (Bogotá )
                0120-0488
                December 2014
                : 40
                : 2
                : 198-202
                Affiliations
                [1 ] Centro Internacional de Entrenamiento e Investigaciones Médicas, CIDEIM Colombia
                Article
                S0120-04882014000200012

                http://creativecommons.org/licenses/by/4.0/

                Product
                Product Information: SciELO Colombia
                Categories
                ENTOMOLOGY

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