Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Porcellionides pruinosus - Plum Woodlouse

resting Isopod - Porcellionides pruinosus Wood Louse? - Porcellionides pruinosus Wood Louse - Porcellionides pruinosus Wood Louse - Porcellionides pruinosus Woodlouse - Porcellionides pruinosus isopod? - Porcellionides pruinosus Woodlouse - Porcellionides pruinosus isopod in garden compost - Porcellionides pruinosus
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 Porcellionidae
Genus Porcellionides
Species pruinosus (Plum Woodlouse)
Explanation of Names
Porcellionides pruinosus (Brandt 1833)
Numbers
10 subspecies (ITIS)
Size
5―10 mm
Identification
External diagnostic features (Ferenc Vilisics's comments):
2-segmented flagellum
abdomen slender, visibly divides from thorax
color ranges from blue-violet to light orange
no patches or stripes, only subtle waxy grains that make the dorsum look "soft"
often in warm places, compost heaps, under sunlit rocks
More here
Range
Native to the Mediterranean, adventive elsewhere and now cosmopolitan(1)
Habitat
anthropogenic situations(1)
Internet References