No Common Name Trachelipus rathkiiNon-native    Synonyms: Rathke's Woodlouse.
Kingdom Animalia   >   Phylum Arthropoda   >   Class Malacostraca   >   Order Isopoda   >   Family Trachelipodidae   >   Genus Trachelipus   

Description:

Key characteristics helpful for the identification are (1) the presence of two uropods, the pointed appendages that extend off the back of the posterior end; (2) the outside edge of the final main trunk segments is even with the outside edge of the first pleon segment; (3) the segments are covered with fine bumps; and (4) the presence of five, not two, pleopodal lungs on the vent.

There are 64 records in the project database.

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A Trachelipus rathkii in Caroline Co., Maryland (1/1/2020). Photo by Dave Webb. (MBP list)

Trachelipus rathkii in Baltimore Co., Maryland (2/6/2017). Photo by Emily Stanley. (MBP list)

A Trachelipus rathkii in Howard Co., Maryland (2/9/2020). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Cecil Co., Maryland (1/27/2019). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Queen Anne's Co., Maryland (1/1/2020). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Talbot Co., Maryland (1/1/2020). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Frederick Co., Maryland (12/3/2017). Photo by Mark Etheridge. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (1/11/2020). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Calvert Co., Maryland (2/23/2021). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Baltimore City, Maryland (10/2/2021). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (3/2/2019). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Frederick Co., Maryland (12/13/2015). Determined by Hisserdude/BugGuide. Photo by Mark Etheridge. (MBP list)

A Trachelipus rathkii in Howard Co., Maryland (4/26/2014). Determined by Eric C. Maxwell/BugGuide. Photo by Ashley Bradford. (MBP list)

A Trachelipus rathkii in Carroll Co., Maryland (12/1/2018). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii (underside) in Howard Co., Maryland (4/26/2014). Determined by Eric C. Maxwell/BugGuide. Photo by Ashley Bradford. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (11/11/2018). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (5/10/2018). Photo by Dave Webb. (MBP list)

A pair of Trachelipus rathkii in Washington Co., Maryland (4/7/2019). Determined on BugGuide. Photo by Jim Moore. (MBP list)

A Trachelipus rathkii in Baltimore Co., Maryland (1/18/2021). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Carroll Co., Maryland (12/24/2019). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Howard Co., Maryland (2/27/2021). Photo by Dave Webb. (MBP list)

A sowbug, Trachelipus rathkii, collected in Beltsville, Maryland (10/16/2012). Preserved in a cuvette filled with hand sanitizer. Photo by USGS PWRC. (MBP list)

A Trachelipus rathkii in Howard Co., Maryland (7/1/2015). Photo by Richard Orr. (MBP list)

A Trachelipus rathkii in Caroline Co., Maryland (11/14/2021). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Baltimore Co., Maryland (9/3/2018). Determined by Hisserdude/Bugguide. Photo by Sue Muller. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (12/8/2017). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Allegany Co., Maryland (4/8/2017). Determined by Scott Loarie/BugGuide. Photo by Bill Hubick. (MBP list)

A Trachelipus rathkii in Washington Co., Maryland (3/5/2017). Determined by Joshua Campos/BugGuide. Photo by Bill Hubick. (MBP list)

A Trachelipus rathkii in Anne Arundel Co., Maryland (6/6/2015). Verified by Eric Maxwell/BugGuide. Photo by Robert Aguilar, SERC. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (1/11/2020). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Anne Arundel Co., Maryland (4/22/2018). Determined by Even Dankowicz/BugGuide. Photo by Bill Hubick. (MBP list)

Trachelipus rathkii in Montgomery Co., Maryland (4/29/2019). (c) Serenella Linares, some rights reserved (CC BY). Photo by Serenella Linares via iNaturalist. (MBP list)

A Trachelipus rathkii in Baltimore Co., Maryland (12/19/2018). Photo by Dave Webb. (MBP list)

Trachelipus rathkii in Queen Anne's Co., Maryland (5/1/2021). (c) Jim Brighton, some rights reserved (CC BY-NC). Photo by Jim Brighton. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (2/23/2020). Photo by Dave Webb. (MBP list)

Trachelipus rathkii in Prince George's Co., Maryland (10/16/2012). (c) Sam Droege, some rights reserved (CC BY). Photo by Sam Droege. (MBP list)

Trachelipus rathkii in Kent Co., Maryland (3/17/2019). Photo by Lori Byrne. (MBP list)

A Trachelipus rathkii collected in Kent Co., Maryland (3/10/2019). First MBP record for the Eastern Shore. Photo by Bill Hubick. (MBP list)

A Trachelipus rathkii in Harford Co., Maryland (7/9/2017). Photo by Dave Webb. (MBP list)

A Trachelipus rathkii in Cecil Co., Maryland (5/15/2021). Photo by Dave Webb. (MBP list)


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