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How to repel a killer; chemical identification and effective repellent activity of commercial essential oils against kissing bugs

Rito Rueda, Azhary [autora] | Flores Jiménez, Juan Eduardo [autor] | Gutiérrez Cabrera, Ana Erika [autora] | Cruz Esteban, Samuel [autor] | Córdoba Aguilar, Alex [autor] | Cruz López, Leopoldo Caridad [autor] | Alavez Rosas, David [autor].
Tipo de material: Artículo en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Trypanosoma cruzi | Enfermedad de chagas | Vectores de enfermedades | Aceites esenciales | Repelentes contra insectos | Control de insectosTema(s) en inglés: Trypanosoma cruzi | Chagas disease | Disease vectors | Essences and essential oils | Insect repellents | Insect controlNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Versión del documento: Post-prints En: Medical and Veterinary Entomology. (November 2023), páginas 1-12. --ISSN: 0269-283XNúmero de sistema: 64371Resumen:
Inglés

Triatomines are haematophagous insects, some species are vectors of Trypanosoma cruzi, the aetiological agent of Chagas disease. The main strategy for interrupting T. cruzi transmission is to avoid contact of the vector populations with humans. Volatiles from commercial essential oils are excellent candidates to serve as repellents of kissing bugs. We used an exposure device to assess the repellence effect of eight commercial essential oils on Triatoma pallidipennis. The most effective oils were blended and evaluated against T. infestans, T. pallidipennis and Rhodnius prolixus. The blend was also evaluated on parasitised T. pallidipennis. Data were compared with the commercial repellent NN-diethyl-3-methylbenzamide. We recorded the time the insects spent in the proximity of the hostand determined if any of the evaluated oils served as kissing bug repellent. We found commercial essential oils and a blend that significantly reduced the time spent in the proximity of the host. The blend was effective for use by human males and females, repelling infected and non-infected insects. The study of essential oils as repellents of blood-sucking disease-vector insects could shed light on the development of new control strategies.

Recurso en línea: https://doi.org/10.1111/mve.12702
Lista(s) en las que aparece este ítem: Documentos sobre chagas
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Disponible para usuarios de ECOSUR con su clave de acceso

Triatomines are haematophagous insects, some species are vectors of Trypanosoma cruzi, the aetiological agent of Chagas disease. The main strategy for interrupting T. cruzi transmission is to avoid contact of the vector populations with humans. Volatiles from commercial essential oils are excellent candidates to serve as repellents of kissing bugs. We used an exposure device to assess the repellence effect of eight commercial essential oils on Triatoma pallidipennis. The most effective oils were blended and evaluated against T. infestans, T. pallidipennis and Rhodnius prolixus. The blend was also evaluated on parasitised T. pallidipennis. Data were compared with the commercial repellent NN-diethyl-3-methylbenzamide. We recorded the time the insects spent in the proximity of the hostand determined if any of the evaluated oils served as kissing bug repellent. We found commercial essential oils and a blend that significantly reduced the time spent in the proximity of the host. The blend was effective for use by human males and females, repelling infected and non-infected insects. The study of essential oils as repellents of blood-sucking disease-vector insects could shed light on the development of new control strategies. eng

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