Porcellio dilatatus

Porcellio dilatatus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Malacostraca
Order:	Isopoda
Family:	Porcellionidae
Genus:	Porcellio
Species:	P. dilatatus
Binomial name
	Porcellio dilatatus; Brandt, 1833

Porcellio dilatatus (Commonly known as the Giant canyon isopod) is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae. This species is widespread in Europe,[1] and has also been introduced to North America from Western Europe.[2] They are 15 millimetres (0.59 in) long, are brown coloured and striped.[3] They can be found feeding on alder leaves,[4] but mostly feeds on organic food substrates, such as lettuce (Lactuca sativa) in the wild. It also feeds on inorganic metal salts.[5]

Pests

The species are considered to be house pests, that can be found in greenhouses, seed boxes, and flower pots.[3]

Subspecies

Five subspecies are recognised:[6]

Porcellio dilatatus bonadonai Vandel, 1951
Porcellio dilatatus dilatatus Brandt, 1833
Porcellio dilatatus flavus Collinge, 1917
Porcellio dilatatus petiti Vandel, 1951
Porcellio dilatatus rufobrunneus Collinge, 1918

gollark: I had assumed this stuff was now ML-based and so you would just compare embedding vectors or something.

gollark: What are they eigenvectors *of*, exactly?

gollark: eigen is "own" or something, and apparently people prefer that over "characteristic vector/value".

gollark: Yes, the term comes from that for mysterious reasons.

gollark: (x is called an "eigenvector", and it might be nicer to think of the eigenvector as a vector which the matrix scales up by that eigenvalue, instead of transforming it in some other way)

References

"Porcellio dilatatus Brandt, 1833". Fauna Europaea. 2.6.2. August 29, 2013. Retrieved October 12, 2013.
Poore, G.C.B. (2002). Zoological Catalogue of Australia (PDF). CSIRO Publishing. p. 308. ISBN 978-0-643-06901-5.
David V. Alford (2012). "4" (PDF). Pests of Ornamental Trees, Shrubs and Flowers - A Colour Handbook (2 ed.). Manson Publishing. p. 435. ISBN 978-1-84076-162-7.
Isabel Caseiro, S. Santos, J. P. Sousa, A. J. A. Nogueira & A. M. V. M. Soares (2000). "Optimization of culture conditions of Porcellio dilatatus (Crustacea: Isopoda) for laboratory test development" (PDF). Ecotoxicology and Environmental Safety. 47 (3): 285–291. doi:10.1006/eesa.2000.1982. hdl:10198/849. PMID 11139182.CS1 maint: multiple names: authors list (link)
Carla Filipa Calhôa, Amadeu M. V. M. Soares & Reinier M. Mann (2006). "Cadmium assimilation in the terrestrial isopod, Porcellio dilatatus – is trophic transfer important?". Science of the Total Environment. 371 (1–3): 206–213. doi:10.1016/j.scitotenv.2006.09.013. hdl:10453/8798. PMID 17055036.
Marilyn Schotte (2012). Schotte M, Boyko CB, Bruce NL, Poore GC, Taiti S, Wilson GD (eds.). "Porcellio dilatatus Brandt, 1833". World Marine, Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved November 23, 2012.

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[1] "Porcellio dilatatus Brandt, 1833". Fauna Europaea. 2.6.2. August 29, 2013. Retrieved October 12, 2013.

[2] Poore, G.C.B. (2002). Zoological Catalogue of Australia (PDF). CSIRO Publishing. p. 308. ISBN 978-0-643-06901-5.

[google-3] David V. Alford (2012). "4" (PDF). Pests of Ornamental Trees, Shrubs and Flowers - A Colour Handbook (2 ed.). Manson Publishing. p. 435. ISBN 978-1-84076-162-7.

[4] Isabel Caseiro, S. Santos, J. P. Sousa, A. J. A. Nogueira & A. M. V. M. Soares (2000). "Optimization of culture conditions of Porcellio dilatatus (Crustacea: Isopoda) for laboratory test development" (PDF). Ecotoxicology and Environmental Safety. 47 (3): 285–291. doi:10.1006/eesa.2000.1982. hdl:10198/849. PMID 11139182.CS1 maint: multiple names: authors list (link)

[5] Carla Filipa Calhôa, Amadeu M. V. M. Soares & Reinier M. Mann (2006). "Cadmium assimilation in the terrestrial isopod, Porcellio dilatatus – is trophic transfer important?". Science of the Total Environment. 371 (1–3): 206–213. doi:10.1016/j.scitotenv.2006.09.013. hdl:10453/8798. PMID 17055036.

[6] Marilyn Schotte (2012). Schotte M, Boyko CB, Bruce NL, Poore GC, Taiti S, Wilson GD (eds.). "Porcellio dilatatus Brandt, 1833". World Marine, Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved November 23, 2012.