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Sticker of Pale-shouldered flatbug
Bug card No. 3237 of 4,939

Pale-shouldered flatbug

Aradus depressus

The pale-shouldered flatbug is a very flat true bug. It lives on dead or old tree wood where fungus grows, and its flat body helps it squeeze into narrow spaces. It is the most common bug in its group.

Lives in
Europe and Asia, from Ireland all the way to Siberia, in woods
Top speed
about 0.2 km/h (0.12 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It does not sting or bite people.
What does it eat?
It lives on wood that has fungus growing on it, and feeds on the fungus.
For real!Photo of Pale-shouldered flatbug
Picture by Iwan Van Hoogmoed. CC BY 3.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

It likes birch trees best, but it also lives on oak, beech, willow, alder, apple and other trees.

2

In the Alps it can be found up to 1,600 metres high in the mountains.

3

In spring, from mid April to the end of May, the females fly a lot, sometimes far away from any trees.

4

Both the young bugs and the grown-ups live on wood where fungus is growing.

you asked

Most asked questions about Pale-shouldered flatbug

?Where does the pale-shouldered flatbug live?

In Europe and Asia, from Ireland to Siberia, on old tree wood with fungus on it.

?Is the pale-shouldered flatbug dangerous?

No. It is a small, flat bug that is harmless to people.

For bug experts

Scientific name
Aradus depressus
Group
True bugs and cicadas
Family
Aradidae
Classification
Insecta > Hemiptera > Aradidae
Lives on
Europe, Asia

Where the facts come from

  1. Aradus depressus (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 Iwan Van Hoogmoed. CC BY 3.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: True bugs and cicadas

Also at home here: Forests and woods

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