Common woodlouse | The Wildlife Trusts

If you were to pick up a rock in the garden, you’d hopefully find a few common woodlouse. These hardy minibeasts have in-built armour and like to hide in warm, moist places like compost heaps.

Species information

Category

Crustacea, Centipedes and Millipedes

Statistics

Length: 1.4cm

Conservation status

Common.

When to see

January to December

About

These hardy minibeasts can be found sheltering under rocks in the garden or hiding in compost heaps, where they avoid drying out in hot weather. Common woodlice are important for their ability to feed off dead plants and creatures, recycling vital nutrients. There are 30 species of woodlouse in the UK in an array of colours from brown and grey to pink!

How to identify

The common woodlouse has smooth, shiny, grey 'armour' (an exoskeleton made up of segments or 'plates') with yellow patches and lighter grey edges.

Distribution

Widespread.

Habitats

Did you know?

Woodlice are actually terrestrial crustaceans, not insects, so are more closely related to crabs and shrimps.

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