Study Reveals Top Mosquito Attractants: Body Odor Trumps Carbon Dioxide

A recent study conducted by researchers from the US and Zambia has identified the scents that attract mosquitoes the most.[0] The study, which centred on the African malaria mosquito species, Anopheles gambiae, took place in a testing area equivalent to the size of an ice rink in Zambia.[1] The researchers built a 20-by-20-meter flight cage arena, where they released 200 mosquitos and tracked their activity using infrared motion cameras.[2] The study found that the insects had a significant preference for body odour as compared to carbon dioxide bait.[3] Additionally, mosquitoes were less likely to buzz over to scents with lots of the chemical eucalyptol, found in plants like sage and eucalyptus trees.[4] The study is one of the first to test how the Anopheles gambia mosquitos locate human hosts over longer distances in a ‘real world’ setting.[5] The researchers found that one volunteer who had a different body odour composition consistently avoided the mosquito’s attention.[6] The researchers hope that these findings contribute to the development of more effective repellants and traps.[7]

0. “What mosquitoes are most attracted to in human body odor is revealed” WISN Milwaukee, 20 May. 2023,

1. “Why some people attract mosquitoes and others don't” KMZU, 19 May. 2023,

2. “Scientists Built a Giant Human Scent Buffet to Learn How Mosquitoes Find Us” Gizmodo, 19 May. 2023,

3. “Scientists discover which body odours mosquitoes prefer” Cosmos, 19 May. 2023,

4. “How mosquitoes find tasty humans from hundreds of meters away”, 19 May. 2023,

5. “Human body odor critical for mosquito host-seeking behavior over long distances, study finds” News-Medical.Net, 19 May. 2023,

6. “Are you a mosquito magnet? It might be for one unpleasant reason” New York Post , 21 May. 2023,

7. “Perfectly smelly? Mosquitoes hunt for the right body odors before biting humans” Study Finds, 19 May. 2023,

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