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Oniscidea of the United States

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comprehensive for the contiguous US (and Canada) but missing Hawaii species

Woodlice, Pillbugs, and Rock Slaters - Photo (c) Steven Wang, all rights reserved, uploaded by Steven Wang

Check list for Woodlice, Pillbugs, and Rock Slaters (Suborder Oniscidea)

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Blue Ridge Rockslater (Ligidium blueridgense)

Status: Native

Last observation: Blue Ridge Rockslater from Watauga County, NC, USA on January 1, 2024 at 03:42 PM by Max Ramey (View All) | 0 comments
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Eastern Rockslater (Ligidium elrodii)

Status: Native

Last observation: Eastern Rockslater in March 2024 by Madelyn Snyder (View All) | 0 comments
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Kofoid's Rockslater (Ligidium kofoidi)

Status: Native

Last observation: Kofoid's Rockslater in March 2022 by Lucas Green (View All) | 0 comments

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Broad Rockslater (Ligidium latum)

Status: Native

Last observation: Broad Rockslater from Redwood National and State Parks, Trinidad, CA, US on March 9, 2024 at 12:15 PM by Kellen Apuna (View All) | 0 comments
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Western Rockslater (Ligidium gracile)

Status: Native

Last observation: Western Rockslater from Astoria, OR, US on April 16, 2024 at 09:38 PM by Mason Maron (View All) | 0 comments
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Sierra Nevada Rockslater (Ligidium lapetum)

Status: Native

Last observation: Sierra Nevada Rockslater from Lebec, CA, USA on January 15, 2023 at 11:21 AM by James Bailey (View All) | 0 comments

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Florida Rockslater (Ligidium floridanum)

Status: Native

Last observation: Florida Rockslater from Navarre, FL, US on March 5, 2023 at 12:39 PM by Eric Blomberg (View All) | 0 comments
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Louisiana Rockslater (Ligidium mucronatum)

Status: Native

Last observation: Louisiana Rockslater from Central, LA, US on February 27, 2021 at 07:39 PM by Nick Ramsey (View All) | 0 comments
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Western Sea Slater (Ligia occidentalis)

Status: Native

Last observation: Western Sea Slater from Mission Bay Park, San Diego, CA, US on April 11, 2024 at 02:33 PM by NeuroHexis (View All) | 0 comments

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Wharf Louse (Ligia exotica)

Status: Introduced

Last observation: Wharf Louse from North Atlantic Ocean, Tierra Verde, FL, US on April 17, 2024 at 08:17 PM by mnd10 (View All) | 0 comments
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Central American Seaslater (Ligia baudiniana)

Status: Native

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Common Sea Slater (Ligia oceanica)

Status: Introduced

Last observation: Common Sea Slater from Rockland, Maine, États-Unis on June 6, 2023 at 02:33 PM by Séraphin Poudrier (View All) | 0 comments

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Sleepy Seaslater (Ligia pallasii)

Status: Native

Last observation: Sleepy Seaslater from 2R37+QV, Davenport, CA 95017, USA on April 5, 2024 at 04:19 PM by ajusto (View All) | 0 comments
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Common Rough Woodlouse (Porcellio scaber)

Status: Introduced

Last observation: Common Rough Woodlouse from North Carolina Aquariums, Manteo, NC, US on April 18, 2024 at 11:17 AM by The ADHD Animal Guy (View All) | 0 comments
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Brickwork Woodlouse (Porcellio spinicornis)

Status: Introduced

Last observation: Brickwork Woodlouse in April 2024 by Warren Lussier (View All) | 0 comments

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Swift Woodlouse (Porcellio laevis)

Status: Introduced

Last observation: Swift Woodlouse from Rush Ranch, Suisun City, CA, US on April 17, 2024 at 01:06 PM by Silverado Jim (View All) | 0 comments
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Giant Canyon Woodlouse (Porcellio dilatatus)

Status: Introduced

Last observation: Giant Canyon Woodlouse from San Diego County, US-CA, US on April 18, 2024 at 02:31 PM by Connor Young (View All) | 0 comments
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Porcellio grandeus

Status: Native

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Porcellio alpinus

Status: Native

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Powder Blue Isopod (Porcellionides pruinosus)

Status: Introduced

Last observation: Powder Blue Isopod from E Pasture Canyon Dr, San Tan Valley, AZ, US on March 22, 2024 at 09:20 AM by Earl Park (View All) | 0 comments
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Flowery Blue Isopod (Porcellionides floria)

Status: common / Introduced

Last observation: Flowery Blue Isopod from Pasadena City College, Pasadena, CA, US on March 20, 2024 at 10:49 AM by siwanicki (View All) | 0 comments

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Oak Woodlouse (Porcellionides virgatus)

Status: Native

Last observation: Oak Woodlouse from Bridge City, TX, USA on April 16, 2024 at 12:29 PM by Derek Hudgins (View All) | 0 comments
Agabiformius pusillus doesn't have a default photo yet. Add One Now

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Agabiformius pusillus

Status: Native

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Agabiformius lentus

Status: Introduced

Last observation: Agabiformius lentus from Port Aransas, TX, USA on April 8, 2024 at 04:16 PM by Cole McIntyre (View All) | 0 comments

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Proporcellio vulcanius

Status: Introduced

Last observation: Proporcellio vulcanius from Old Main Building, Tucson, AZ 85721, USA on September 20, 2023 at 10:42 AM by Wren (View All) | 0 comments
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Curly Woodlouse (Cylisticus convexus)

Status: Introduced

Last observation: Curly Woodlouse from Loraine St, Lynchburg, VA, US on April 17, 2024 at 02:23 PM by Josh McGinnis (View All) | 0 comments
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Rathke's Woodlouse (Trachelipus rathkii)

Status: Introduced

Last observation: Rathke's Woodlouse from Ham Lake, MN 55304, USA on April 18, 2024 at 01:03 PM by safechrislaurie (View All) | 0 comments

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Dwarf Gray-striped Woodlouse (Nagurus cristatus)

Status: Introduced

Last observation: Dwarf Gray-striped Woodlouse from Capitol Hill, Tallahassee, FL, USA on March 24, 2024 at 05:04 PM by mycoflora (View All) | 0 comments
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Platyarthrus aiasensis

Status: Introduced

Last observation: Platyarthrus aiasensis from Lime Kiln Rd, San Marcos, TX, US on February 2, 2024 at 01:21 PM by acjci (View All) | 0 comments
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Ant Woodlouse (Platyarthrus hoffmannseggii)

Status: Introduced

Last observation: Ant Woodlouse from Villanova, PA, US on April 16, 2024 at 11:48 AM by thirty_legs (View All) | 0 comments

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Porcelain Woodlouse (Trichorhina tomentosa)

Status: Introduced

Last observation: Porcelain Woodlouse from Key Largo, Key Largo, FL, US on March 28, 2024 at 10:00 AM by Madison Harman (View All) | 0 comments
Trichorhina triocis doesn't have a default photo yet. Add One Now

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Trichorhina triocis

Status: Native

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Trichorhina heterophthalma

Status: Native

Last observation: Trichorhina heterophthalma from Hawaiian Paradise Park, HI, USA on August 27, 2023 at 11:52 AM by Eric C. Maxwell (View All) | 0 comments

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Niambia capensis

Status: Introduced

Last observation: Niambia capensis in March 2024 by u_phantasticus (View All) | 0 comments
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Stenoniscus pleonalis

Status: Introduced

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Scyphacella arenicola

Status: Native

Last observation: Scyphacella arenicola from Cambridge, MD 21613, USA on May 27, 2023 at 09:45 AM by Nathan T. Jones (View All) | 0 comments

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Commando Isopod (Alloniscus perconvexus)

Status: Native

Last observation: Commando Isopod from New Brighton State Beach, Capitola, CA, US on April 12, 2024 at 02:33 PM by Jasper Barnes (View All) | 0 comments
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Wonderful Wracklouse (Alloniscus mirabilis)

Status: Native

Last observation: Wonderful Wracklouse in November 2023 by Oonagh (View All) | 0 comments
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Texas Woodlouse (Rhyscotus texensis)

Status: Native

Last observation: Texas Woodlouse from 1000 New Carmen Ave, Brownsville, TX 78521, USA on May 10, 2023 at 04:44 PM by DinGo OcTavious (View All) | 0 comments

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California Pilling Driftclinger (Armadilloniscus lindahli)

Status: Native

Last observation: California Pilling Driftclinger from Brewer Island, Foster City, CA, US on December 10, 2023 at 12:15 PM by Michael A. Voeltz (View All) | 0 comments
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Western Driftclinger (Armadilloniscus holmesi)

Status: Native

Last observation: Western Driftclinger from Los Angeles, CA 90095, USA on December 21, 2023 at 03:00 PM by Graham Montgomery (View All) | 0 comments
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Crowned Driftclinger (Armadilloniscus coronacapitalis)

Status: Native

Last observation: Crowned Driftclinger from Sears Point Rd, Petaluma, CA, US on January 2, 2024 at 01:27 PM by Michael A. Voeltz (View All) | 0 comments

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Common Driftclinger (Armadilloniscus ellipticus)

Status: common / Introduced

Last observation: Common Driftclinger from Coconut Grove, Miami, FL, USA on March 6, 2024 at 01:22 PM by thirty_legs (View All) | 0 comments
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Detonella papillicornis

Status: Native

Last observation: Detonella papillicornis from Location: 58.268000, -134.376000 on August 27, 2023 at 08:13 PM by Anneke Minden (View All) | 0 comments
Balloniscus nigricans doesn't have a default photo yet. Add One Now

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Balloniscus nigricans

Status: Native

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Source: J. Jass, B. Klausmeier. Terrestrial isopod (Crustacea: Isopoda) atlas for Canada, Alaska, and the contiguous United States Milwaukee Public Museum Contributions in Biology and Geology, 95 (2001), pp. 1–105 (Link)

loarie

Added by loarie on July 20, 2015

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