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 but local with about 30 post-1960 sites in England, Scotland and Wales, and with a bias to the south.
Recorded since 1980 at Pengedhen in 1989.
Habitat & Ecology
Associated with old woodland with dead and diseased trees; the larvae live in decaying wood and the adults fly from April to July.
Tidying up or replacement of old woodland with plantation or arable farming.
The Cornish record is from National Trust land.
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.