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Sticker of Roughened darkling beetle
Bug card No. 3678 of 4,939

Roughened darkling beetle

Upis ceramboides
Eats: WoodBeetlesForests and woods6 legs

The roughened darkling beetle is a dark beetle of the cold north. It loves forests where there has been a fire, because its babies grow under the bark of burnt birch trees. It can survive being frozen far below zero.

Lives in
Northern Sweden, Canada and Alaska, in birch forests after fires
Top speed
about 0.5 km/h (0.31 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
Its babies live under the bark of burnt birches and eat the soft inner bark, which is full of fungus threads.
For real!Photo of Roughened darkling beetle
Picture by Stanislav Snäll. CC BY 3.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Special sugars and an antifreeze in its body help it survive very cold temperatures.

2

Its babies take two or three years to grow up.

3

In one part of Sweden it is called the kitchen beetle, because it crawls out of firewood when people burn it indoors in winter.

4

It is now rare and has disappeared from southern Sweden, because there are fewer burnt forests.

you asked

Most asked questions about Roughened darkling beetle

?Why does the roughened darkling beetle like forest fires?

Its babies grow under the bark of birch trees that were damaged by fire.

?Is the roughened darkling beetle rare?

Yes. It is listed as vulnerable, because modern forestry leaves few burnt birch forests.

For bug experts

Scientific name
Upis ceramboides
Group
Beetles
Family
Tenebrionidae
Classification
Insecta > Coleoptera > Tenebrionidae
Lives on
Europe, North America

Where the facts come from

  1. Upis ceramboides (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 Stanislav Snäll. 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: Beetles

Also at home here: Forests and woods

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