Do Mosquitoes Get Attracted to Blue Light?

Originally posted on June 16, 2023 @ 12:06 am

The Science Behind Mosquito Attraction

Mosquitoes are notorious for their blood-sucking behavior and the diseases they can transmit through their bites. But what attracts them to humans in the first place?

One of the key factors that draw mosquitoes to their victims is the carbon dioxide (CO2) we exhale. They also use visual cues to locate their prey. Mosquitoes have compound eyes that are sensitive to light, and they can detect ultraviolet and infrared wavelengths that are invisible to the human eye.

But what about blue light? There has been some debate about whether or not mosquitoes are attracted to this particular color of light. Let’s take a closer look at the research.

Mosquitoes are pesky insects that can ruin a relaxing evening outdoors, and people have been looking for ways to repel them for years. Some studies suggest that mosquitoes are attracted to certain colors of light, including blue light. In this discussion, we will explore the scientific evidence behind whether or not mosquitoes are actually attracted to blue light, and what that might mean for those seeking a solution to their mosquito problems.

The Myth of Blue Light Attraction

There is a common misconception that mosquitoes are attracted to blue light. This belief likely stems from the fact that many bug zappers and insect traps use blue light as an attractant. However, research has shown that mosquitoes are not actually drawn to blue light.

In fact, studies have found that mosquitoes are more attracted to warmer colors like red and purple. This is because these colors mimic the body heat and visual cues of their hosts. Blue light, on the other hand, does not provide the same level of visual or thermal cues that mosquitoes are looking for.

The Role of Light in Mosquito Behavior

While mosquitoes may not be attracted to blue light specifically, light can still play a role in their behavior. For example, bright lights can disrupt their natural feeding and mating patterns.

Artificial light sources can also attract other insects that serve as mosquito predators, such as dragonflies and bats. By increasing the number of these predators in an area, we can indirectly reduce the mosquito population.

Other Factors that Attract Mosquitoes

While blue light may not be a significant attractant for mosquitoes, there are several other factors that can make you more appealing to these blood-sucking pests.

Body Heat

Mosquitoes are attracted to the heat and warmth of our bodies. They use their heat sensors to locate areas where blood vessels are close to the surface of the skin. This is why mosquitoes tend to bite us in areas like the ankles, wrists, and neck, where our blood vessels are more easily accessible.


Mosquitoes are also attracted to the chemicals and odors that we release in our sweat. They are particularly drawn to lactic acid, uric acid, and ammonia, which are all present in our sweat.

Skin Bacteria

Believe it or not, the bacteria on your skin can also make you more attractive to mosquitoes. Some studies have found that people with a higher diversity of skin bacteria tend to attract more mosquitoes than those with less diverse skin flora.

Carbon Dioxide

Mosquitoes are capable of detecting carbon dioxide from up to 50 meters away. Therefore, the more carbon dioxide you exhale, the more attractive you become to mosquitoes.

Dark Clothing

Mosquitoes are also attracted to dark clothing, as they can easily see these colors in low light conditions. If you are spending time outdoors during mosquito season, wear light-colored clothing to reduce your risk of bites.


Pregnant women tend to attract more mosquitoes than non-pregnant women. This is because they exhale more carbon dioxide and have a higher body temperature than non-pregnant women.

FAQs for “Does Mosquitoes Get Attracted to Blue Light?”

What is blue light, and why are we discussing if mosquitoes are attracted to it?

Blue light is a type of light in the visible light spectrum with a shorter wavelength and higher energy than other colors. It can affect sleep patterns, mood, and more. Mosquitoes have been known to be attracted to certain types of light, so there is a question of whether blue light has the same effect.

Why do some people use blue light to repel mosquitoes?

The idea is that certain wavelengths of blue light can disrupt the mosquitoes’ ability to find a host. It’s thought that blue light confuses the mosquitoes’ visual system and makes it harder for them to locate and bite humans or animals. This theory has not been scientifically proven but has been anecdotally reported as successful.

Can blue light actually attract mosquitoes?

While some sources suggest that certain wavelengths of blue light can attract mosquitoes, scientific studies have yet to prove it. Mosquitoes are attracted to light in the ultraviolet range, which has a shorter wavelength than blue light. While blue light might be more visible to mosquitoes, it’s still unclear whether or not it actually attracts them.

Are there any other colors of light that attract mosquitoes?

Yes, mosquitoes are known to be attracted to warm colors such as red, orange, and yellow. This is because these colors are similar to the infrared radiation that humans emit and mosquitoes sense to find their hosts. Cool colors such as blue and green are less likely to attract mosquitoes.

Should I use blue light to repel mosquitoes instead of traditional repellents?

While blue light may have some success in repelling mosquitoes, it’s not a substitute for proven repellents. Mosquitoes can carry dangerous diseases, such as malaria, dengue, and Zika, so it’s important to use effective repellents when in areas with high mosquito populations. Clutter-free areas, screened windows and doors, and clothing that covers the skin can also reduce mosquito bites.