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
Mainly southern England and Wales, but a few records as far north as Durham.
Recorded at Lydcott Wood, Hessenford (1994), Altarnun and Great Grogley Downs (1995) and Seaton Valley (2004).
Habitat & Ecology
Old broadleaved woodland in river valleys. The larvae feed on dead wood. The adults fly from June to October.
Clearance of woodland for agriculture or intensive forestry, removal of dead wood.
Seaton Valley is partly a Local Nature Reserve.
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.