ReviewJournal of chemical ecology2025
Microbial Volatiles from Human Skin and Floral Nectar: Insufficiently Understood Adult Feeding Cues To Improve Odor-Based Traps for Aedes Vector Control.
Review in Journal of chemical ecology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
3 authors.
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Abstract
Mosquitoes of the genus Aedes, including the invasive Aedes albopictus, are responsible for the transmission of arboviruses such as dengue, chikungunya, and Zika. Their global expansion has intensified public health concerns, while the efficacy of insecticide-based control is declining due to resistance and environmental risks. These limitations have increased interest in odor-baited traps as complementary tools for surveillance and population reduction. Yet, their performance in the field remains inconsistent, largely because lures rely on a restricted set of human skin microbial volatiles and capture mainly host-seeking females. This review highlights the contribution of microorganisms inhabiting human skin and floral nectar to mosquito feeding ecology. Skin microbiota shape odor profiles by producing volatile organic compounds that mediate host attractiveness and species-specific mosquito responses. Likewise, nectar-dwelling yeasts and bacteria alter nectar chemistry and floral scent, generating volatiles that influence insect foraging, although their role in Aedes attraction remains poorly studied. By integrating data from Aedes and other insect models, we highlight microbial semiochemicals with demonstrated or potential roles in guiding blood- and sugar-feeding behaviors. We further discuss how microbial ecology, compound concentration, and chemical interactions drive variability in mosquito responses, raising both opportunities and challenges for trap design. Expanding research to nectar-associated microbial cues, while considering ecological specificity and possible non-target effects, could help create more versatile lures that attract both sexes and multiple feeding stages. This review advances our understanding of microbial-associated cues as critical drivers of mosquito behavior and outlines future directions to improve odor-based surveillance and control of Aedes vectors.
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