Trichoniscus pygmaeus

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
	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 ;

Last updated July 09, 2025

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]

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]

References

1 2 "Trichoniscus pygmaeus". Catalogue of Life . Species 2000: Leiden, the Netherlands. Retrieved 2 December 2024.
↑ "Trichoniscus pygmaeus". Global Biodiversity Information Facility . Retrieved 2024-12-02.
↑ "Trichoniscus pygmaeus | British Myriapod and Isopod Group". bmig.org.uk. Retrieved 2024-12-02.

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[col-1] 1 2 "Trichoniscus pygmaeus". Catalogue of Life . Species 2000: Leiden, the Netherlands. Retrieved 2 December 2024.

[2] "Trichoniscus pygmaeus". Global Biodiversity Information Facility . Retrieved 2024-12-02.

[3] "Trichoniscus pygmaeus | British Myriapod and Isopod Group". bmig.org.uk. Retrieved 2024-12-02.

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