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Aedes aegypti oviposition-sites choice under semi-field conditions

Aedes aegypti oviposition-sites choice under semi-field conditions

David, Mariana R., Maciel-de-Freitas, Rafael, Petersen, Martha T., Bray, Daniel, Hawkes, Frances ORCID: 0000-0002-0964-3702, Fernandez-Grandon, G. Mandela ORCID: 0000-0002-2993-390X, Young, Stephen, Gibson, Gabriella and Hopkins, Richard ORCID: 0000-0003-4935-5825 (2023) Aedes aegypti oviposition-sites choice under semi-field conditions. Medical and Veterinary Entomology, 2023. pp. 1-10. ISSN 0269-283X (Print), 1365-2915 (Online) (doi:

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Vector control is still the recommended approach to avoid arbovirus outbreaks. Herein, we investigate oviposition preferences of Aedes aegypti (Diptera: Culicidae) females under a semi-field structure Rio de Janeiro, Brazil. For that, in Experiment 1, we used two settings: ‘Single items’, which included as containers drain, beer bottle, bucket, car tyre, water tank, and a potted Peace Lily (Spathiphyllum wallisii) in a saucer with water, or ‘Multiple containers’, as an urban simulation, in which one drain, two additional beer bottles, and an extra plant pot saucer were added. Experiment 2 (sensory cues) used five variations of potted plant, each one varying in the range of sensory cues known to attract gravid females to oviposition containers. Our results indicate that gravid Ae. aegypti prefer to oviposit close to the ground and in open water containers with organic compounds from plant watering. Domestic large artificial containers containing tap water received significantly fewer eggs, except for the car tyre, which exhibited as many eggs as the potted plant. We also show that visual (potted plant shape) and olfactory clues (odour of the plant or from water containing organic matter) were equally attractive separately as were these stimuli together.

Item Type: Article
Uncontrolled Keywords: Aedes; behaviour; chemical ecology; chikungunya; container productivity; dengue; insect ecology; vectorial capacity; Zika
Subjects: Q Science > QL Zoology
R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
S Agriculture > S Agriculture (General)
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Last Modified: 13 Jun 2023 12:31

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