New Model Predicts How Mosquitoes Will Fly

By Science Correspondent

A major scientific breakthrough could soon help people stay one step ahead of mosquitoes — and avoid those itchy, irritating bites.

Researchers from Massachusetts Institute of Technology (MIT) and Georgia Institute of Technology have uncovered how mosquitoes track humans, revealing the hidden patterns behind how they hunt.

Using a cutting-edge 3D model, scientists studied how mosquitoes respond to different signals in their environment.

What they found is that the insects rely heavily on a combination of what they see and what they smell — especially carbon dioxide from our breath.

The study revealed three key flight behaviours.

When mosquitoes can only see a person, they tend to swoop in quickly before darting away again — almost like they are testing whether the target is worth pursuing.

When they can only smell carbon dioxide, they slow down and hover, moving back and forth to stay close to the source.

But the most important discovery came when both signals were present.

When mosquitoes can see and smell a person at the same time, they switch to a more focused tactic — circling steadily around their target before landing.

Scientists say this “orbiting” behaviour is the crucial moment when a mosquito is preparing to bite.

The findings are more than just fascinating — they could have real-world impact.

By understanding exactly how mosquitoes move and react, researchers believe they can design smarter and more effective traps that use multiple cues to attract and capture them.

This could include combining visual targets with carbon dioxide or other human-like signals to keep mosquitoes engaged long enough to trap them.

The approach could also be adapted in the future to include other factors like heat and humidity, making prevention tools even more powerful.

With mosquito-borne diseases affecting millions of people globally each year, this research offers fresh hope that better protection — and fewer bites — could soon be within reach.

In short, the more we understand how mosquitoes find us, the better equipped we are to stop them.

FULL PAPER - http://doi.org/10.1126/sciadv.adz7063

The study’s MIT co-authors are Chenyi Fei, a postdoc in MIT’s Department of Mathematics, and Alexander Cohen PhD ’26, a recent MIT chemical engineering PhD student advised by Dunkel and Professor Martin Bazant, along with Christopher Zuo, Soohwan Kim, and David L. Hu ’01, PhD ’06 of Georgia Tech, and Ring Carde of the University of California at Riverside.

This work was supported, in part, by the National Science Foundation, Schmidt Sciences, LLC, the NDSEG Fellowship Program, and the MIT MathWorks Professorship Fund.