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
Formerly widespread, if very local, in southern Britain, but has become increasingly
Recorded in Cornwall on a number of occasions: Saltash and Liskeard (Clark, 1906), the seacliffs in the St. Just and Pendeen areas of West Penwith in 1946 and 1951 by R.T. Bannister, and Bude in 1962 by A.A. Allen.
Habitat & Ecology
The larvae are parasitic on solitary bees, occurring on sandy heathland and sea cliff
Loss of flowery grasslands through agricultural improvements or abandonment of rough grazings.
Maintain coastal pastures and protect from attempts to improve their productivity for
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.