Repellence of essential oils of aromatic plants growing in Argentina against Aedes aegypti (Diptera: Culicidae) |
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Authors: | Raquel M Gleiser Maria A Bonino and Julio A Zygadlo |
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Institution: | (1) Centro de Relevamiento y Evaluaci?n de Recursos Agr?colas y Naturales (CREAN), Facultad de Ciencias Agropecuarias, Universidad Nacional de C?rdoba, Av. Valpara?so s.n., C?rdoba, 5016, Argentina;(2) IMBIV-CONICET, C?tedra de Qu?mica Org?nica, Facultad de Ciencias Exactas, F?sicas y Naturales, Universidad Nacional de C?rdoba, C?rdoba, Argentina |
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Abstract: | Mosquitoes are vectors of pathogens to humans and domestic animals and may also have economical impacts. One approach to prevent
mosquito-borne diseases is bite deterrence through the application of repellents. Currently, there is an interest to search
for alternative bioactive products to the synthetic active ingredients most widely used in insect repellents. Repellence against
Aedes aegypti of essential oils extracted from Acantholippia salsoloides, Aloysia catamarcensis, Aloysia polystachya, Lippia integrifolia, Lippia junelliana (Verbenaceae), Baccharis salicifolia, Euphatorium buniifolium, and Tagetes filifolia (Asteraceae) were assessed. Tests were conducted by alternatively exposing untreated and treated forehand to the mosquitoes
and counting probing attempts. All essential oils tested were significantly repellent against A. aegypti when compared to untreated controls; L. junelliana was the most repellent and T. filifolia was the least based on the response of the mosquitoes to different concentrations of the essential oils (EO). Repellence
may be attributed to the respective main components of each EO. |
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