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
Recorded mainly from broadleaved woodland, and occasionally heathland, in central
southern England, with a few scattered records as far north as Yorkshire. About 20 post-1980 sites.
Recorded at Penlee Battery in 2000.
Habitat & Ecology
Associated with old woodland. Larvae found in water-filled cavities in old trees, notably Birch Betula spp. Adults fly from June to September.
Removal of old or dead trees.
Penlee Battery is a Cornwall Wildlife Trust Reserve, close to woodland owned by Mount Edgcumbe Country Park.
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.