Porcellio scaber is found across Central and Western Europe. In the United Kingdom, it is one of the "big five" species of woodlouse, where it is probably the most common of all woodlouse species. It has also colonised North America, South Africa and other areas, largely through human activity. It is also the most common species of woodlouse found in Australian gardens.
P. scaber can grow up to 20mm long, and is usually a grey colour, paler underneath, although brown, yellow or pinkish hues may also be observed. It lives in a wide variety of habitats which contain reasonable levels of humidity, but it is less dependent on water than Oniscus asellus.
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- "Porcellio scaber". Integrated Taxonomic Information System.
- "Porcellio scaber". 2.6.1. Fauna Europaea. May 24, 2013. Retrieved May 25, 2013.
- Slabber, S. & S.L. Chown (2002). "The first record of a terrestrial crustacean, Porcellio scaber (Isopoda, Porcellionidae), from sub-Antarctic Marion Island". Polar Biology 25: 855–858. doi:10.1007/s00300-002-0420-9.
- "Crustaceans at the bottom of the garden!". Museum of Victoria. Retrieved 2011-07-10.
- "Porcellio scaber - a woodlouse". Natural England. Retrieved January 19, 2009.