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Sticker of Bed bug
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Bed bug

Cimex lectularius
Eats: BloodTrue bugs and cicadasHouses and farms6 legs

The bed bug is a small flat bug that drinks people's blood. It hides in cracks near beds during the day and comes out at night while we sleep. It does not live on people, it only visits them for a quick meal.

Lives in
All over the world, wherever people live
Top speed
about 0.2 km/h (0.12 mph)
On foot, estimate
Can it hurt you?
Can bite or sting
Its bites can make itchy red spots or blisters on the skin. Studies have not found that it spreads diseases to people. Tell a grown-up if you find bites or bugs in your bed.
What does it eat?
It drinks only human blood. It needs a meal before each step of growing up.
For real!Photo of Bed bug
Picture by AJC1 from UK. CC BY-SA 2.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

It likes to eat in the dark, when it is warm and people are sleeping.

2

A grown-up bed bug can live for up to six months without a meal.

3

It travels the world hidden in suitcases.

4

It has been found in hotels, hospitals, trains, ships and even airplanes.

5

Its eggs are smaller than a millimetre and shaped like tiny vases.

you asked

Most asked questions about Bed bug

?Do bed bugs spread diseases?

Scientists have looked hard, but have not found that bed bugs pass diseases to people. Their bites can still itch a lot.

?Where do bed bugs hide?

In cracks and hiding spots near where people sleep. They only come out for short meals.

?How do bed bugs get into a house?

Most often they ride along in suitcases and bags, or on old furniture.

For bug experts

Scientific name
Cimex lectularius
Named by
Linnaeus, 1758
Group
True bugs and cicadas
Family
Cimicidae
Classification
Insecta > Hemiptera > Cimicidae
Lives on
Europe, Asia, Africa, North America, South America, Australia and Oceania
Also known as
Common bedbug

Where the facts come from

  1. Cimex lectularius (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by AJC1 from UK. CC BY-SA 2.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.

More from the same group: True bugs and cicadas

Also at home here: Houses and farms