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Sticker of Hope's stag beetle
Bug card No. 2262 of 4,939

Hope's stag beetle

Dorcus hopei
Eats: WoodBeetlesForests and woods6 legs

Hope's stag beetle is a big, shiny stag beetle from China, Korea and Japan. The boys have huge jaws that look like the antlers of a deer. In Japan and Korea many children keep it as a pet.

Lives in
China, Korea and Japan, in oak forests
Top speed
about 0.4 km/h (0.25 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless if you leave it alone. A big boy can pinch with his jaws, so hold it gently from the back.
What does it eat?
The babies eat rotting wood and the fungus growing on it. Tiny yeasts in their belly help them break the wood down.
For real!Photo of Hope's stag beetle
Picture by keusju. CC BY-SA 3.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its babies can survive a whole day at minus 15 degrees, thanks to a special antifreeze in their body. No other stag beetle has it.

2

The biggest boys can grow up to 7.6 centimetres long.

3

The boys use their big jaws to fight other boys for the best places.

4

A grown-up beetle can live for three to five years.

5

A mother lays about 25 eggs, one at a time, on wood.

you asked

Most asked questions about Hope's stag beetle

?Can you keep Hope's stag beetle as a pet?

Yes. In Japan and Korea it is a popular pet because it is easy to raise.

?Does Hope's stag beetle bite?

Big boys can pinch with their jaws if you grab them, but they are not dangerous.

?How long does Hope's stag beetle live?

The baby lives one to two years in wood, and the grown-up beetle can live three to five years.

For bug experts

Scientific name
Dorcus hopei
Group
Beetles
Family
Lucanidae
Classification
Insecta > Coleoptera > Lucanidae
Lives on
Asia

Where the facts come from

  1. Dorcus hopei (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 keusju. CC BY-SA 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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