Can You Hear Mosquitoes?

Until recently, mosquitoes were thought to have limited hearing capabilities. But new research indicates that mosquitoes actually have better hearing than previously thought. And their sounds may play a role in preventing disease.

Researchers at Cornell University and Binghamton University have found that mosquitoes are capable of hearing sounds at great distances. Their antennae actually pick up sound from air particles vibrating at specific frequencies.

In fact, they can hear sounds up to 10 meters away. The range of frequencies they pick up is comparable to human speech sounds. Interestingly, this is not only true for males, but for both sexes.

Researchers have also discovered that mosquitoes can smell potential hosts. They also detect carbon dioxide. This could play a role in how mosquitoes find mates. They can also see and hear potential food sources. The researchers say these findings could help in the development of more effective microphones.

Previously, scientists had assumed that eardrums were necessary for long-distance hearing. However, the fine hairs on the antennae actually pick up vibrations from the particles of air.

The researchers were able to prove that mosquitoes can hear at great distances by recording the electrical potential of their auditory nerves. They then played 400-hertz tones from a distance of three meters, which proved to be an individual response.

Lastly, researchers also found that mosquitoes buzz in each other’s ears. This is the best explanation yet for why they are capable of hearing so far away.

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