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Species
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Malacostraca
Isopoda
Order · 9 species with a result in Ohio
Common Shiny Woodlouse
Oniscus asellus
· Crustaceans
Late in its season
Photo © Katja Schulz · CC BY 4.0
Early March to early November, middle week May 24–30
Common Pill Woodlouse
Armadillidium vulgare
· Crustaceans
Photo © Russell Pfau · CC BY-NC 4.0
Late March to late October, middle week Jun 14–20
Nosy Pill Woodlouse
Armadillidium nasatum
· Crustaceans
Late in its season
Photo © Katja Schulz · CC BY 4.0
Late March to mid-November, middle week Jun 14–20
Brickwork Woodlouse
Porcellio spinicornis
· Crustaceans
Photo © prairieboytrent · CC BY-NC 4.0
Common Rough Woodlouse
Porcellio scaber
· Crustaceans
Photo © Julian Fuchs · CC BY-NC 4.0
Common Striped Woodlouse
Philoscia muscorum
· Crustaceans
Photo © Marcello Consolo · CC BY-NC-SA 4.0
Lirceus richardsonae
Lirceus richardsonae
· Crustaceans
Photo © Nick Tobler (Cowturtle) · CC BY 4.0
Rathke's Woodlouse
Trachelipus rathkii
· Crustaceans
Photo © Z · CC BY 4.0
Spurred Ridgeback
Haplophthalmus danicus
· Crustaceans
Photo © Christophe Quintin · CC BY-NC 4.0
Families in Isopoda
Porcellionidae
2
Armadillidiidae
1
Asellidae
1
Oniscidae
1
Philosciidae
1
Trachelipodidae
1
Missing records do not mean a species is absent.