Pill woodlouse  (Armadillidium vulgare)

Species information

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Glossary

Abdomen: in arthropods (crustaceans, insects and arachnids) the abdomen is the hind region of the body, which is usually segmented to a degree. In crustacea (e.g. crabs) the limbs attach to the abdomen; in insects the limbs are attached to the thorax (the part of the body nearest to the head) and not the abdomen. In vertebrates the abdomen is the part of the body that contains the internal organs (except the heart and lungs).
Calcareous: containing free calcium carbonate, chalky.
Thorax: part of the body located near the head in animals. In insects, the three segments between the head and the abdomen, each of which has a pair of legs.

References

  1. National Biodiversity Network Species Dictionary (March 2003):
    http://www.nhm.ac.uk/nbn
  2. Sutton, S. L. (1972) Invertebrate types: woodlice. Ginn & Company Ltd., London.
  3. Nichols, D., Cooke, J. & Whiteley, D. (1971) The Oxford Book of Invertebrates. Oxford University Press, Oxford.
  4. Woodlice online (March 2003):
    http://www.geocities.com/CapeCanaveral/Hangar/7649/wliceod.htm