Why Are Mosquitoes Attracted to Light?

Keeping mosquitoes out of your home is a priority. The mosquito is a disease vector that contributes to more than half of all human deaths. To control the spread of these invasive insects, you may want to consider using light. However, do not believe that this type of lighting can help you avoid bites.

The mosquito does not see light the way that we do. They are unable to perceive ultraviolet rays. They are also unable to see the full range of colors. Instead, they see the ultraviolet, blue, and green wavelengths. In addition, they are photophobic to short-wavelength light.

Several studies have investigated the influence of light on the behavior of mosquitoes. These studies have focused on the role of light in mosquito navigation, circadian rhythms, and the multimodal integration of sensory cues.

In an article published in the journal Current Biology, scientists from the University of California, Irvine School of Medicine explored the effects of various light spectra on day-biting mosquitoes. Their findings suggest that a variety of light sources could be used to deter mosquitoes. The lights studied included UV rays from the sun, fluorescent bulbs, and LED light.

According to the research, UV rays are most effective against mosquitoes. Mosquitoes are more likely to follow the light because of its heat.

In addition, female mosquitoes are able to use the warmth of their bodies to locate their prey. They are also attracted to body odor and CO2 emissions.

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