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
Occurs in coastal localities from Hampshire to north Cornwall and Wales, with a few
remote sites in Suffolk and south-west Scotland. As a result of recent finds its status has been amended from RDB3 to Notable.
In VC1 recorded only between 1926 and 1935; in VC2, recorded since 1980 at Crackington Haven (1990) and The Gribben (1989).
Habitat & Ecology
A maritime species, occurring mainly on cliffs with landslips and deposits of sandy head; also on dunes. The adults fly between June and August; the larvae possibly feed on bulbs such as those of Spring Squill Scilla verna .
Recreational activities and perhaps sea defence work.
The east Cornwall sites are on National Trust land managed for invertebrate
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.