Mosquitoes hover over human heads due to heat, carbon dioxide, and odor plumes
Multiple empirical studies support the conclusion that mosquitoes locate humans by tracking a combination of heat, carbon dioxide, and body odor plumes.
The retrieved papers consistently demonstrate that mosquito host-seeking behavior relies on the multimodal integration of thermal cues, carbon dioxide, and olfactory stimuli (human scent/odor plumes). Therefore, the claim is well supported by the evidence.
Corfas RA, Vosshall LB. The cation channel TRPA1 tunes mosquito thermotaxis to host temperatures.. 2015. https://doi.org/10.7554/elife.11750
Paper 1 shows that female mosquitoes are attracted to human body heat and use thermotaxis during host pursuit.
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Wooding M, Naudé Y, Rohwer E, Bouwer M. Controlling mosquitoes with semiochemicals: a review.. 2020. https://doi.org/10.1186/s13071-020-3960-3
Paper 2 discusses the use of semiochemicals and odor plumes in mosquito host-seeking and surveillance.
Chandel A, DeBeaubien NA, Ganguly A, Meyerhof GT, Krumholz AA, Liu J, Salgado VL, Montell C. Thermal infrared directs host-seeking behaviour in Aedes aegypti mosquitoes.. 2024. https://doi.org/10.1038/s41586-024-07848-5
Paper 4 demonstrates that mosquitoes integrate carbon dioxide, organic odors, and thermal infrared radiation to locate human hosts.
Giraldo D, Rankin-Turner S, Corver A, Tauxe GM, Gao AL, Jackson DM, Simubali L, Book C, Stevenson JC, Thuma PE, McCoy RC, Gordus A, Mburu MM, Simulundu E, McMeniman CJ. Human scent guides mosquito thermotaxis and host selection under naturalistic conditions.. 2023. https://doi.org/10.1016/j.cub.2023.04.050
Paper 5 highlights that human scent and carbon dioxide guide mosquito thermotaxis and host selection.
Carnaghi M, Belmain SR, Hopkins RJ, Hawkes FM. Multimodal synergisms in host stimuli drive landing response in malaria mosquitoes.. 2021. https://doi.org/10.1038/s41598-021-86772-4
Paper 8 confirms that visual, olfactory, and thermal sensory stimuli interact to drive host-seeking and landing responses.
A. Hinze, Jörgen Lantz, S. Hill, R. Ignell. Mosquito Host Seeking in 3D Using a Versatile Climate-Controlled Wind Tunnel System. 2021. https://doi.org/10.3389/fnbeh.2021.643693
Paper 11 shows that mosquitoes track human odor and carbon dioxide plumes successfully in a wind tunnel.
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