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 very local in southern England north to Yorkshire, although it can be
abundant where it occurs. About 20 known post-1960 sites.
Recorded from west Cornwall only, with post-1980 sites on The Lizard (1981), at Marazion, near Penhale and at Constantine Bay. Previously in the Penhale and Newquay areas between 1906 and 1935.
Habitat & Ecology
Occurs in various habitats including woods, coastal marshes and dry grassland. The adults fly between May and July; the larvae are associated with root aphids on Umbelliferae.
Mis-management or loss of grass and coastal marshland.
The recent records are from the Lizard National Nature Reserve or from National Trust land managed for invertebrate conservation.
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.