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Sticker of Painted pill woodlouse
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Painted pill woodlouse

Armadillidium pictum
Eats: Leftovers and dead thingsWoodliceForests and woods14 legsNot an insect, but a bug cousin

The painted pill woodlouse is a small woodlouse that lives in forests. It is dark, with pale speckles arranged in lines along its back. It is a pill woodlouse, so it can roll itself up into a tight little ball.

Fun fact: woodlice are not insects. They are crustaceans, cousins of crabs and shrimps, that live on land.
Lives in
Most of Europe, in forests under loose bark
Length
9 mm (0.35 in)
Top speed
about 0.13 km/h (0.08 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
It eats dead leaves and rotting wood. That helps clean up the forest floor.
For real!Photo of Painted pill woodlouse
Picture by Gilles San Martin. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Painted pill woodlouse about 9 mm long (0.35 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailas long as 1.5 grains of rice in a rowit has about 14 legscould run across a dinner table in 28 seconds

How big is Painted pill woodlouse compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It sometimes climbs several metres up a tree and hides under loose bark or in holes in rotting wood.

2

In Britain it is found in only a few places, so some people call it Britain's rarest woodlouse.

3

It looks very much like a close cousin, but it is a little darker and a little bigger, up to 9 millimetres long.

you asked

Most asked questions about Painted pill woodlouse

?What does the painted pill woodlouse eat?

Dead leaves and rotting wood in the forest.

?How big is the painted pill woodlouse?

Up to about 9 millimetres long.

For bug experts

Scientific name
Armadillidium pictum
Group
Woodlice
Family
Armadillidiidae
Classification
Malacostraca > Isopoda > Armadillidiidae
Lives on
Europe

Where the facts come from

  1. Armadillidium pictum (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 Gilles San Martin. 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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More from the same group: Woodlice

Also at home here: Forests and woods

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