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Armadillium -  Armadillidium vulgare - back view
Armadillium - Armadillidium vulgare - back view


Armadillium (Pill woodlice)
The armadillium (Armadillidium vulgare) is a woodlouse and belongs to the family Ligiamorpha.

This isopod can reach a length of up to 16 mm and is able to roll itself up into a ball. While the males are predominantly a uniform blue-grey , black-grey or brownish-grey, , the females have bright spots. The surface of the armadillium is smooth. The armadillium has a high resistance to water shortages. Therefore, it is also found in forest edges and ruderal on plants growing on waste ground or among refuse.

The females breed up to 3 times a year. Depending on the size of the female, from 20 to 160 young isopods hatch.
Armadillium -  Armadillidium vulgare - front view
Armadillium - Armadillidium vulgare - front view
Armadillidium vulgare
Armadillidium vulgare
Pill woodlice
Pill woodlice
Armadillidium vulgare - top view
Armadillidium vulgare - top view

Armadillidium vulgare
Subspecies1
Common namesPotato bug, Rolly polly, Pillbug, Pill woodlice, Common pillbug, Common woodlouse, Woodlouse, Common Pill Woodlouse
German namesGemeine Rollassel, Rollassel
Dutch namesGewone Oprolpissebed
Danish namesKuglebænkebider, Kuglebaenkebider, Almindelig kuglebænkebider
Finnish namesMustapallosiira
French namesArmadille commune, Armadille mélangée
AuthorLatreille, 1804
Distribution
Continents:

Eurasia
Europe
North Europe (British Isles (United Kingdom (Great Britain (England (English Midlands (East Midlands (Leicestershire)))))), Scandinavia (Sweden, Denmark), Fennoscandia (Finland), Baltic region (Baltic States (Latvia)), Germany (West Germany (North Rhine-Westphalia))), South Europe (Italy (Italy Islands (Sicily, Sardinia), North Italy, South Italy)), West Europe (France (South France (Corsica))), Southeast Europe (Greece), Central Europe (Czech Republic)
Asia
West Asia (Near East (Egypt, Iran, Yemen))
Caucasus
Georgia
Oceania
Australasia
Australia (Tasmania, East Australia (Queensland, New South Wales (Australian Capital Territory (Canberra), Sydney Basin (Sydney)), Victoria), Northern Territory, South Australia, West Australia)
Polynesia
New Zealand, Hawaii
Africa
North Africa
Tunisia
America
North America
Mexico, USA (Florida, Louisiana, California, Montana, Illinois, Kentucky, Maine, Michigan, Minnesota, Texas, Mississippi, New Jersey, South Carolina, Arizona, New Mexico, Washington (Puget Sound), Oregon, Alaska, Massachusetts, Maryland, Rhode Island, Colorado, Utah, Wyoming, Idaho, Tennessee, Wisconsin, Alabama, New York, Virginia, Iowa, Arkansas, Oklahoma, Kansas, Missouri, Indiana, Ohio, West Virginia, New Hampshire, North Carolina, Nevada, Pennsylvania, Connecticut, Nebraska, South Dakota, Delaware, Vermont, North Dakota), Canada (Alberta, Quebec, Ontario, British Columbia, New Brunswick, Prince Edward Island, Nova Scotia, Manitoba, Saskatchewan, Newfoundland and Labrador)
South America
French Guiana


Distribution by Synonymus:
Armadillidium decipiens   Tunisia
Armadillo vulgaris   French Guiana
Armadillidium gallicum   France
Armadillidium decipiens   Latvia
Armadillo vulgaris   United Kingdom
Armadillidium decipiens   Greece
Armadillidium variegatum   Egypt
Armadillidium decipiens   Iran
CountriesAustralia, Canada, Czech Republic, Denmark, Egypt, Finland, France, Georgia, Germany, Greece, Iran, Italy, Latvia, Mexico, New Zealand, Sweden, Tunisia, USA, United Kingdom, Yemen
Links and ReferencesArmadillidium vulgare in bie.ala.org.au
Armadillidium vulgare in faunaeur.org
Armadillidium vulgare in insectidentification.org
Armadillidium vulgare in itis.gov
Armadillidium vulgare in dyntaxa.se
Armadillidium vulgare in Wikipedia (English)

Description of images / photos
Photography with Cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop
1. Armadillium - Armadillidium vulgare - back view
2. Armadillium - Armadillidium vulgare - front view
3. Armadillidium vulgare
4. Pill woodlice
5. Armadillidium vulgare - top view
Quick search: Back - Armadillium - Woodlice - Vulgare - Smooth - Armadillidium
Grey - View - Females - Resistance - Female - Family - Young - Bright
Taxonomy
ClassMalacostraca
Malacostracans, Higher Crustaceans
SubclassEumalacostraca
SuperorderPeracarida
OrderIsopoda
Sowbugs, Pillbugs, Isopods, Woodlice, Water Slaters, Freshwater Isopods, Isopods and sowbugs
SuborderOniscidea
Woodlice
InfraorderLigiamorpha
SectionCrinocheta
SuperfamilyArmadilloidea
FamilyArmadillidiidae
Roly polies, Pill bugs, Pillbugs
GenusArmadillidium
Roly-poly, Pill bugs, Pill woodlice
Speciesvulgare
Armadillidium vulgare
Potato bug, Rolly polly, Pillbug, Pill woodlice, Common pillbug, Common woodlouse, Woodlouse, Common Pill Woodlouse
AuthorLatreille, 1804
 
Synonyms
Armadillidium affine
Armadillidium armeniense
Armadillidium brevicaudatum
Armadillidium commutatum
Armadillidium decipiens
Armadillidium gallicum
Armadillidium marmoreum
Armadillidium nitidulum
Armadillidium oliveti
Armadillidium pilulare
Armadillidium schellenbergi
Armadillidium sorattinum
Armadillidium subdentatum
Armadillidium triviale
Armadillidium variegatum
Armadillo ater
Armadillo convexus
Armadillo marmoreus
Armadillo pilularis
Armadillo pustulatus
Armadillo trivialis
Armadillo variegatus
Armadillo vulgaris
 
Subspecies
Armadillidium vulgare rufobrunneus
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Keywords
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