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.

Cerylon histeriodes - A cerylonid beetle

Range & Status

Widespread over lowland Britain, but generally fairly local.

Regional Distribution

Recorded in Greystone Wood in 1992.

Habitat & Ecology

Feed on fungal hyphae and spores in fungoid and decaying timber of various broadleaves and even Pines Pinus spp. Primarily associated with ancient woodlands and pasture woodlands.


Loss of the older age classes of broadleaved trees; clearance of larger items of deadwood. The only known site is part of a large area managed commercially for timber.


Retention of overmature trees and their associated deadwood.


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.