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Genus Armadillidium

unknown - Armadillidium nasatum Pill Bug - Armadillidium nasatum Pillbug - Armadillidium vulgare Armadillidium ? - Armadillidium vulgare Armadillium nasatum? - Armadillidium nasatum Armadillidium vulgare? - Armadillidium vulgare - male - female Isopoda, Oniscus ocellus? - Armadillidium nasatum Armadillidium vulgare - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Peracarida (Peracarida (Amphipods and Isopods))
Order Isopoda (Isopods)
Suborder Oniscidea (Woodlice)
Infraorder Holoverticata
No Taxon (Orthogonopoda)
No Taxon (Crinocheta)
Family Armadillidiidae (Pillbugs)
Genus Armadillidium
Identification

In A. nasatum (left), the telson has a rounded tip. In A. vulgare (right), the telson is truncate, more trapezoidal.


A. vulgare, on the left, rolls into a perfect ball, while the tail of A. nasatum, on the right, sticks out when it rolls into an imperfect ball.


In A. vulgare (left), the scutellum barely projects. In A. nasatum (right), the scutellum projects.

Compare by clicking on the two:
A. nasatum; A. vulgare:


(1)(2)

Color variation in A. nasatum:


Color variation in A. vulgare:
Range
Worldwide, originally from Europe.
Internet References