Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Porcellio spinicornis

Range & Status

A widespread and locally common species in Britain and Ireland but one which is very rare in Cornwall.

Regional Distribution

Only recorded once in Cornwall, at Mount Edgcumbe in the extreme south-east, in 1993, and once on St. Mary' s on the Isles of Scilly in 1985.

Habitat & Ecology

Associated with walls and buildings, particularly where there is lime from stone or





The Isles of Scilly are designated for nature conservation.


I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.