Common red stag beetle
Prosopocoilus astacoides

The common red stag beetle is a big beetle with a pair of sharp jaws at the front of its head. Its jaws look a bit like the antlers of a deer. It uses them to wrestle with other beetles.
Lives in
Asia, including the island of Taiwan
Length
5 to 7 cm (2 to 2.8 in)
Can it hurt you?
Better not touch
It is not dangerous, but its sharp jaws can give a hard pinch. Look at it, but do not pick it up.
What does it eat?
Like other stag beetles, the grown-ups sip sweet tree sap and juice, and the larvae grow up inside rotting wood.

How big is it?
How long is it?
🧱as long as 2 toy building bricks in a row🍽️could run across a dinner table in 6.8 seconds
How big is Common red stag beetle compared to YOU?
Just maths in your browser. Nothing is saved or sent anywhere.
How fast is it?
A garden snail about 0.05 km/h (0.03 mph)
A tortoise about 0.3 km/h (0.19 mph)
Common red stag beetle about 0.53 km/h (0.33 mph)
A person walking about 5 km/h (3.1 mph)
cool stuff
Fun facts
1
It grows to about 5 to 7 centimetres long, about as long as a grown-up's finger.
2
A grown-up beetle lives for about 8 to 10 months.
3
When it gets angry, it shakes its feelers.
4
Its sharp jaws are made for fighting, not for chewing food.
you asked
Most asked questions about Common red stag beetle
?How big is the common red stag beetle?
It is about 5 to 7 centimetres long, which is big for a beetle.
?Can a stag beetle pinch you?
Yes, its sharp jaws can pinch hard if you grab it. Just watch it instead.
For bug experts
- Scientific name
- Prosopocoilus astacoides
- Group
- Beetles
- Family
- Lucanidae
- Classification
- Insecta > Coleoptera > Lucanidae
- Lives on
- Asia
Where the facts come from
- Prosopocoilus astacoides (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by No machine-readable author provided. Kugamazog~commonswiki assumed (based on copyright claims).. CC BY-SA 2.5, 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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