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Sticker of European tortoise bug
Bug card No. 1605 of 4,939

European tortoise bug

Eurygaster maura
Eats: PlantsTrue bugs and cicadasGardens and meadows6 legs

The European tortoise bug is a round, slightly domed bug that really does look like a tiny tortoise. A big shield covers its whole back, wings and all. It is usually brown, but some are grey or black.

Lives in
Europe, large parts of Asia and North America, in grassy fields
Length
0.8 to 1.1 cm (0.31 to 0.43 in)
Top speed
about 0.19 km/h (0.12 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. It does not bite or sting, but farmers do not like it in their wheat fields.
What does it eat?
It sucks juice from grasses and grain plants like wheat, rye and barley.
For real!Photo of European tortoise bug
Picture by Didier Descouens. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

European tortoise bug 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 19 seconds

How big is European tortoise bug compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Farmers count it as a pest, because both the grown-ups and the young ones damage grain crops.

2

The mother lays her eggs in little packs on the underside of leaves.

3

The young bugs shed their skin five times before they are grown up.

4

It spends the winter hiding in fallen leaves.

you asked

Most asked questions about European tortoise bug

?Is the tortoise bug harmful?

Not to people. But it can damage wheat, rye and barley, so farmers see it as a pest.

?Why is it called a tortoise bug?

Because its round, domed back looks like a tortoise shell.

For bug experts

Scientific name
Eurygaster maura
Group
True bugs and cicadas
Family
Scutelleridae
Classification
Insecta > Hemiptera > Scutelleridae
Lives on
Europe, Asia, North America
Also known as
Tortoise bug

Where the facts come from

  1. Eurygaster maura (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 Didier Descouens. CC BY-SA 4.0, 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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