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- Title
Sugar feeding by invasive mosquito species on ornamental and wild plants.
- Authors
Upshur, Irving Forde; Fehlman, Mikhyle; Parikh, Vansh; Vinauger, Clément; Lahondère, Chloé
- Abstract
Feeding on plant-derived sugars is an essential component of mosquito biology, affecting key aspects of their lives such as survival, metabolism, and reproduction. Among mosquitoes, Aedes aegypti and Aedes albopictus are two invasive mosquito species in the US, and are vectors of diseases such as dengue fever, chikungunya, and Zika. These species live in heavily populated, urban areas, where they have high accessibility to human hosts as well as to plants in backyards and public landscapes. However, the range of plants that are suitable sugar hosts for these species remains to be described, despite the importance of understanding what plants may attract or repel mosquitoes to inform citizens and municipal authorities accordingly. Here, we tested whether Ae. aegypti and Ae. albopictus would sugar-feed on eleven commonly planted ornamental plant species. We confirmed feeding activity using the anthrone method and identified the volatile composition of plant headspace using gas-chromatography mass-spectroscopy. These chemical analyses revealed that a broad range of olfactory cues are associated with plants that mosquitoes feed on. This prompted us to use plant DNA barcoding to identify plants that field-caught mosquitoes feed on. Altogether, results show that native and invasive mosquito species can exploit a broader range of plants than originally suspected, including wild and ornamental plants from different phyla throughout the Spring, Summer and Fall seasons.
- Subjects
INTRODUCED species; WILD plants; AEDES aegypti; ORNAMENTAL plants; AEDES albopictus; MOSQUITO control; PLANT DNA
- Publication
Scientific Reports, 2023, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-023-48089-2