Hyloniscus riparius

{{Short description|Species of woodlouse}}

{{Speciesbox

| image = Hyloniscus riparius (10.3897-zookeys.801.21894) Figure 5 (cropped).jpg

| taxon = Hyloniscus riparius

| authority = (Koch, 1838) {{ITIS |id=595380 |taxon=Hyloniscus riparius}}

| synonyms_ref =  {{cite journal |url=http://www.oniscidea-catalog.naturkundemuseum-bw.de/Cat_terr_isop.pdf |title=World catalog of terrestrial isopods (Isopoda: Oniscidea) — revised and updated version |author=Helmut Schmalfuss |year=2003 |journal=Stuttgarter Beiträge zur Naturkunde, Serie A |volume=654 |pages=341 pp |access-date=2009-02-13 |archive-date=2009-02-24 |archive-url=https://wayback.archive-it.org/all/20090224212510/http://www.oniscidea-catalog.naturkundemuseum-bw.de/Cat_terr_isop.pdf |url-status=dead }}

| synonyms =

• Hyloniscus germanicus
• Itea riparus
• Philoscia notata
• Trichoniscus germanicus
• Trichoniscus montanus
• Trichoniscus notatus
• Trichoniscus riparius
• Trichoniscus tirolensis
• Trichoniscus violaceus

}}

Hyloniscus riparius is a species of woodlouse found in Central and Eastern Europe and subsequently introduced to North America. It is strongly associated with flood plains and can tolerate periods of up to eight weeks submerged under water.{{cite journal |author=H. Wijnhoven |title=Landpissebedden van de Ooijpolder: deel 1. verspreiding (Crustacea: Isopoda: Oniscidea) |journal=Nederlandse Faunistische Mededelingen |volume=11 |year=2000 |pages=55–131 |url=http://www.repository.naturalis.nl/document/44915 |language=Dutch }} [http://www.repository.naturalis.nl/cgi/b/bib/bib-idx?c=naturalis;type=simple;rgn1=classification;q1=42.71;lang=en;sort=title;cc=naturalis;view=reslist;fmt=long;page=reslist;size=1;start=10;sid= English abstract] {{Webarchive|url=https://web.archive.org/web/20110724012413/http://www.repository.naturalis.nl/cgi/b/bib/bib-idx?c=naturalis;type=simple;rgn1=classification;q1=42.71;lang=en;sort=title;cc=naturalis;view=reslist;fmt=long;page=reslist;size=1;start=10;sid= |date=2011-07-24 }} In North America, it was first found at St. John's, Newfoundland in 1951, and later in New York, New Jersey, Pennsylvania and North Carolina.{{cite journal |title=The distribution and general biology of Hyloniscus riparius (Koch) (Isopoda, Oniscoidea) in North America |author=George A. Schultz |journal=Crustaceana |volume=8 |issue=2 |pages=131–140 |doi=10.1163/156854065X00659 |year=1965}}