English List of woodlice of the British Isles Cited by user Stemonitis on 23 Feb 2009 Woodlice are the most species-rich group of terrestrial crustaceans. Of the 3,637 species found worldwide, some 35 species in 10 families are native to the British Isles.
English Trichoniscus pusillus Cited by user Stemonitis on 11 Feb 2009 Trichoniscus pusillus, sometimes called the common pygmy woodlouse, is one of the five most common species of woodlice in the British Isles.