Ligidium hypnorum

Ligidium hypnorum is a species of woodlouse found across Europe and western Asia.[1] It is a fast-moving, active species whichthat rarely grows longer than 9 mm (0.35 in).[2] It is dark and shiny, and is similar in appearance to the common species Philoscia muscorum, and also the rarer Oritoniscus flavus.[2] In Great Britain, it was first discovered at Copthorne Common, Surrey, in 1873, and most later records are also from South East England.[2] It is considered a good indicator species for ancient woodland.[3]

Ligidium hypnorum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Superorder: Peracarida
Order: Isopoda
Suborder: Oniscidea
Family: Ligiidae
Genus: Ligidium
Species:
L. hypnorum
Binomial name
Ligidium hypnorum
(Cuvier, 1792)
Synonyms [1]
  • Ligia melanocephala C. Koch, 1838
  • Ligidium agile (Persoon, 1793)
  • Ligidium amethystinum Schöbl, 1861
  • Ligidium carpathicum Verhoeff, 1937
  • Ligidium cursorium Budde-Lund, 1885
  • Ligidium melanocephalum (C. Koch, 1838)
  • Ligidium paludicola (C. Koch, 1841)
  • Ligidium persoonii Brandt, 1833
  • Ligidium silvaenigrae Verhoeff, 1937
  • Oniscus agilis Persoon, 1793
  • Oniscus hypnorum Cuvier, 1792
  • Zia agilis C. Koch, 1841
  • Zia melanocephala C. Koch, 1841
  • Zia paludicolia C. Koch, 1841
  • Zia saundersi Stebbing, 1873

Disease

Prior to the recognition of Invertebrate iridescent virus 31 (IIV-31) in 1980, blue individuals of L. hypnorum had been discovered, which were interpreted to be new subspecies, and were described as such: L. hypnorum coeruleum Lereboullet 1843 and L. hypnorum amethystinum Schöbl 1861 (in reference to cerulean and amethyst, respectively). These cases have since been reinterpreted, not as distinct taxonomic entities, but as historical findings of individuals infected with IIV-31.[4]

See also

References
  1. Helmut Schmalfuss (2003). "World catalog of terrestrial isopods (Isopoda: Oniscidea) — revised and updated version" (PDF). Stuttgarter Beiträge zur Naturkunde, Serie A. 654: 341 pp.
  2. Paul T. Harding & Stephen L. Sutton (1985). Woodlice in Britain and Ireland: distribution and habitat (PDF). Abbots Ripton, Huntingdon, Institute of Terrestrial Ecology. p. 151. ISBN 0-904282-85-6. accessed through the NERC Open Access Research Archive (NORA)
  3. Earthwatch Institute (February 19, 2009). "One year in the woods - the Earthwatch Regional Climate Centre at Wytham Woods, Oxford".
  4. Poinar, George O.; Hess, Roberta T.; Stock, Jan H. (1985-01-01). "Occurrence of the Isopod Iridovirus in European Armadillidium and Porcellio (Crustacea, Isopoda)". Bijdragen tot de Dierkunde (in Dutch). 55 (2): 280–282. doi:10.1163/26660644-05502007. ISSN 0067-8546.
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