Bug Wiki
Sticker of Spine-tailed earwig
Bug card No. 1270 of 1,500

Spine-tailed earwig

Doru aculeatum

The spine-tailed earwig is a dark brown earwig with yellow legs and a pair of curved pincers on its tail. The boy has a tiny extra spike between his pincers, which gives it its name. It lives in woods and grassy places in eastern North America.

Lives in
Eastern North America, from the United States up into Canada
Length
0.8 to 1.1 cm (0.3 to 0.43 in)
Top speed
about 0.44 km/h (0.27 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. Its pincers might give a tiny pinch if you hold it, but they cannot hurt you.
What does it eat?
Like most earwigs, it nibbles on bits of plants and small creatures.
For real!Photo of Spine-tailed earwig
Picture by Summit County Metro Parks. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Spine-tailed earwig about 1.1 cm long (0.43 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
as long as 2 grains of rice in a rowcould run across a dinner table in 8.2 seconds

How big is Spine-tailed earwig compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

It is the only earwig that has always lived in the north of the United States.

2

On summer nights it often comes to outdoor lamps.

3

In Canada it hides in the little pockets where young leaves join the stem, in wetlands.

4

Its back wings are usually tiny, so it mostly walks instead of flying.

5

The boy's pincers are longer and more curved than the girl's.

you asked

Most asked questions about Spine-tailed earwig

?Do earwigs crawl into your ears?

No. That is an old story. Earwigs hide in dark cracks outdoors, not in people's ears.

?Can an earwig hurt you?

Not really. It might give a tiny pinch with its pincers, but it is harmless.

?Why is it called spine-tailed?

Because the boy has a small spike between his tail pincers.

Myth buster

Myth: Earwigs crawl into people's ears.

Truth: No. That is an old story. Earwigs hide in dark cracks outdoors, not in people's ears.

For bug experts

Scientific name
Doru aculeatum
Group
Other insects
Family
Forficulidae
Classification
Insecta > Dermaptera > Forficulidae
Lives on
North America

Where the facts come from

  1. Doru aculeatum (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 Summit County Metro Parks. CC BY 4.0, 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 [email protected] and we will fix it.

More from the same group: Other insects

Also at home here: Gardens and meadows