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
Thinly scattered over much of southern Britain.
Reported in Clark (1906) but then not seen until 1972 when it was reported from Marazion Marsh. It has subsequently been found in three further localities: Coombe Valley and Boconnoc Park, both in 1989, and Loe Pool in 2003.
Habitat & Ecology
Foodplant is Skullcap Scutellaria galericulata .
Drainage and pollution of wetlands.
Marazion Marsh is now managed by the RSPB as a nature reserve; the Coombe Valley locality is on National Trust land; Boconnoc Park is a SSSI and managed by a sympathetic owner.
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.