Trachelipus rathkii

Trachelipus rathkii, also known as Rathke's woodlouse, is a species of woodlouse in the genus Trachelipus (family Trachelipodidae). It can be found across Europe, except in the Mediterranean Basin.^[1] It has also been introduced to North America, where it can be found across most of the northern half of the United States and southern Canada.^[2] They have been recorded as far west as Alberta.^[3]

Trachelipus rathkii
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Isopoda
Suborder:	Oniscidea
Family:	Trachelipodidae
Genus:	Trachelipus
Species:	T. rathkii
Binomial name
Trachelipus rathkii (Brandt, 1833)
Synonyms[1]
Porcellio affinis C. Koch, 1841 Porcellio confluens C. Koch, 1841 Porcellio ochraceus C. Koch, 1841 Porcellio parietinus L. Koch, 1901 Porcellio rathkii Brandt, 1833 Porcellio striatus Schnitzler, 1853 Porcellio sylvestris C. Koch, 1838 Porcellio taeniatus Schöbl, 1861 Porcellio trilineatus C. Koch, 1841 Porcellio varius C. Koch, 1841 Trachelipus affinis (C. Koch, 1841) Trachelipus pleonglandulatus Radu, 1950

Rathke's woodlice grow to 1.5 centimetres (0.59 in) long.^[4]