General Features

The woodlouse is a terrestrial crustacean belonging to the order Isopoda.


15mm long.
The thorax has 7 pairs of legs and the abdomen has 6 pairs of false legs.

Life cycle
Females carry the eggs attached to the underside of their body until the young hatch.
They breed one or two generations per year.


They breed in damp places, on decaying wood and other organic debris.
They live under rocks in damp, cold places. Adults live up to 2 years.
They may invade properties if the preferred habitat dries out or becomes flooded.
They are harmless although they can be disgusting, especially when in large numbers.