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.
Range & Status
A notable species more frequent on the western side of the British Isles, but there are few records from Cornwall.
All records are for the mainland of Cornwall, on the north coast and at Land' s End. Recent records are from the north coast, at Hudder Down and Crane Castle between Godrevy and Portreath, Chapel Porth and Trevellas Cliff near St. Agnes, Lower Strangles, Crackington Haven, Pencannow Point near St. Gennys and Morwenstow Valley.
Habitat & Ecology
In Cornwall found under stones in sparsely vegetated areas within the grassy slopes of coastal cliffs.
The recent records are from sites that 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.