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
Widespread in southern England and Wales.
Recorded in 1901 (site unspecified) and at Mount Edgcumbe in 1935. Since 1980 found at Torpoint (1994, 1996, 1997), Fletchersbridge (1995), Penlee Battery (1997, 1999, 2000), Kelly Bray (1998), Seaton Valley (2000, 2004) and Angarrack, Hayle (2005).
Habitat & Ecology
Broadleaved woodland. There appears to be an association with sap runs caused by the Goat Moth Cossus cossus . Adults fly from May to September.
Clearance of old broadleaved woodland, especially the removal of old trees.
Penlee Battery is a Cornwall Wildlife Trust Reserve. 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.