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.

Microrhagus pygmaeus - A false click beetle

Range & Status

Widespread but very localised in Britain, absent from East Midlands and East Anglia.

Regional Distribution

Discovered at Ethy Woods in 1983.

Habitat & Ecology

Breeds in decaying timber in ancient broadleaved woodland or pasture-woodland, most often in shady acidic woodlands with Bracken Pteridium aquilinum understorey.


Conversion of ancient oakwoods to plantation forestry and removal of deadwood.


Ethy Woods are 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.