By: Daniel Glaser | How mosquitoes find us in the dark | Daniel Glaser | Neuroscience | The Guardian
No matter how well you cover up, mosquitoes always seem to find a way through the netting. How do they do it and is there anything you can do to ward them off?
As many of us discover at this time of year, when it comes to humans, mosquitoes have preferences. Their behaviour is fairly sophisticated, even if they do have tiny brains.
However it’s only the female mosquito that seeks us out, needing the proteins in our blood to produce their eggs. One of the most powerful clues they follow is carbon dioxide. Elevated carbon dioxide is a good signal for tracking people down, which is why it’s used by port officials searching lorries for people smuggling, and also in disaster relief for finding people buried in rubble. This is how mosquitoes find us, even if we’re wrapped in a sheet or through clothing.