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
Confined in Britain to Cornwall and Devon.
Found on the foodplant at Rame Head and Kingsand, Cawsand Bay in 1988 by M.G.
Habitat & Ecology
Feeds on Smith' s Pepperwort Lepidium heterophyllum where it grows in coastal
Lack of disturbance resulting in loss of early successional habitats.
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.