Trichoniscus pygmaeus

Trichoniscus pygmaeus is a species of pygmy woodlouse native to Britain and Ireland.^[1] It has also been seen in the US in a limited distribution area.^[2]

Trichoniscus pygmaeus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Isopoda
Suborder:	Oniscidea
Family:	Trichoniscidae
Genus:	Trichoniscus
Species:	T. pygmaeus
Binomial name
Trichoniscus pygmaeus G. O. Sars, 1898
Synonyms[1]
List Trichoniscus (Spiloniscus) pygmaeus G. O. Sars, 1898 Trichoniscus pusillus var. pygmaeus G. O. Sars, 1898 Trichoniscus elbanus Verhoeff, 1931 Trichoniscus (Spiloniscus) pygmaeus var. horticola Gräve, 1913 Trichoniscus horticolus Gräve, 1913 Trichoniscus pygmaeus horticola Gräve, 1913

Appearance

This species is about 2.5 mm (0.1 in) in length and is pinkish to yellowish. It has a semi transparent shell and a yellow to pinkish line down the middle.^[3]