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Armadillidium nasatum - ID help This species comes in "all black" (usually males) and mottled in rows of lighter patches (mostly juveniles and females). It is not quite as cylindrical as many other Armadillidiidae, but has the epimera (littel "side wings" of the dorsal plates) slightly angled off sideways. Apart from the fairly distinct patterns of patches and the overall body shape, the scutellum ("nose triangle") is distinctly pulled forward (hence the name "nasatum") and the hind margin of the first pereonite (1st dorsal plate) is abruptly pointed backwards in a conspicuous angle, around where the epimera start. Armadillidiidae,Armadillidium,Armadillidium nasatum,Isopoda,Oniscidea,Pill Woodlouse,Woodlouse,Woodlouse ID help Click/tap to enlarge

Armadillidium nasatum - ID help

This species comes in "all black" (usually males) and mottled in rows of lighter patches (mostly juveniles and females). It is not quite as cylindrical as many other Armadillidiidae, but has the epimera (littel "side wings" of the dorsal plates) slightly angled off sideways. Apart from the fairly distinct patterns of patches and the overall body shape, the scutellum ("nose triangle") is distinctly pulled forward (hence the name "nasatum") and the hind margin of the first pereonite (1st dorsal plate) is abruptly pointed backwards in a conspicuous angle, around where the epimera start.

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''Armadillidium nasatum'' is a large, Britain-based species of woodlouse that has been introduced to North America, along with ''Armadillidium vulgare'' also found in other parts of Europe.

Similar species: Brood Pouch Crustaceans
Species identified by Pudding4brains
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By Pudding4brains

Public Domain
Uploaded Jun 18, 2019.