Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Trachelipus rathkii - Rathke's Woodlouse

Woodlice - Trachelipus rathkii Sowbug - Trachelipus rathkii Woodlice (A.K.A Sowbugs) - Trachelipus rathkii Rotting wood dweller - Trachelipus rathkii Trachelipus rathkii? - Trachelipus rathkii 9023888 sowbug - Trachelipus rathkii Virginian Isopod - Trachelipus rathkii Woodlice Sp.  - Trachelipus rathkii
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Peracarida (Marsupial Crustaceans)
Order Isopoda (Isopods)
No Taxon (Scutocoxifera)
Suborder Oniscidea (Woodlice)
Infraorder Holoverticata
No Taxon (Orthogonopoda)
No Taxon (Crinocheta)
Family Trachelipodidae
Genus Trachelipus
Species rathkii (Rathke's Woodlouse)
Synonyms and other taxonomic changes
=rathkei (misspelling)
Explanation of Names
Trachelipus rathkii (Brandt 1833)
Identification
Identification information per Ferenc Vilisics's comments:
flagellum 2-segmented
no apiculate protrusion, but a moderate frontal lobe on the head (middle lobe pointed in P. scaber)
row of white patches on the margin of tergites on both sides and a dark stripe on the back
5 pairs of lungs (white patches on ventral side of abdomen) -- vs only 2 well developed lungs in Porcellionidae
Range
native to Central Europe, adventive in NA and now widespread in the eastern half of the continent from NF to MD & SD(1)(2)(3)
Internet References
Works Cited
1.Checklist of the terrestrial isopods of the New World (Crustacea, Isopoda, Oniscidea)
Leistikow A., Wägele J.W. 1999. Rev. Bras. Zool. 16: 1‒72.
2.The terrestrial isopods of Nebraska (Crustacea: Isopoda)
W.F. Rapp. 2001. Transactions of the Nebraska Academy of Sciences 27.
3.Wright J. (1997) Pillbugs
4.British Myriapod & Isopod Group