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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.

Melandrya caraboides - A false darkling beetle

Range & Status

Widespread in England and Wales.

Regional Distribution

Discovered in Boconnoc Park in 1989 and Lanhydrock Park in 2008.

Habitat & Ecology

Breeds in the relatively soft moist dead heartwood of boughs, trunks and stumps in

various broadleaves, especially Ash Fraxinus excelsior and Beech Fagus sylvatica .

Mostly associated with ancient woodlands and pasture woodlands, including linear sites such as riverside trees.


Loss of the older age classes of trees and removal of their associated deadwood.


Boconnoc Park has a sympathetic owner and is a SSSI. Lanhydrock Park is owned by The National Trust.


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.