Why Mosquitoes Bite Some People

Why mosquitoes bite some people

Mosquito Bait

Have you ever been around friends or family in the great outdoors and noticed the mosquitoes were eating you alive while others seemed unaffected?

We stumbled upon this short, 2 minute informative video animation that shares interesting insights as to the reasons why our blood-sucking friends have a preference when it comes to choosing their next meal.

One thing’s for sure. For such a small bug, mosquitoes are complex creatures!

Also, enjoy the jazz flute music in the background. 🙂

Credit: Tech Insider

Video duration: 1:51

Mosquitoes Are Picky Eaters


“Have you ever noticed that you’re especially popular with the mosquitoes? Maybe they’re swarming you but leaving your friends unbitten? It might be your skin. Certain bacteria on your skin secrete chemicals that are especially attractive to mosquitoes.”

Begin transcript:

“Why do mosquitoes bite some people more than others?

Many of us just think of mosquitoes as annoying creatures.

But those pests are also the most dangerous animals in the world.

They spread:

But you may have noticed mosquitoes bite some people more than others.

Scientists have figured out that it’s not because “Your blood is sweet”.

It has more to do with the smell of your skin.

Everyone’s skin is covered in different combinations of bacteria.

And those bacteria all produce different chemicals.

The smells created by some combinations of those chemicals make certain unlucky people irresistible to mosquitoes.

Research also suggests mosquitoes are attracted to people exercising.

The increased body temperature acts like a dinner bell.

They’re also drawn in by:

  • The carbon dioxide we exhale
  • Lactic acid
  • And they seem to be attracted to beer drinkers

So if you think that mosquitoes bother you in particular – YOU MIGHT BE RIGHT!

Make sure to use good repellent.

Only insect repellents with DEET or Permethrin will keep you off the menu.

Be sure to use if you are traveling to a place with mosquito-borne disease.”

End transcript


Produced by Rob Ludacer and Kevin Loria

Twitter: @robludacer
Twitter: @kevloria


Verhulst et al.,

Composition of Human Skin Microbiota
Affects Attractiveness to Malaria Mosquitoes,

Shirai et al.,

Alcohol ingestion stimulates mosquito attraction,
Journal of the American Mosquito Association

New York Times
Center for Disease Control