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
Diptera: Cecidomyiidae; very local in Britain.
Recorded in 1986 and 1987 on The Lizard (SW71).
Habitat & Ecology
Associated species: Common Toadflax Linaria vulgaris , also occurs on Purple Toadflax Linaria purpurea . Gall causes a mass of young leaves thickened at the base of the bud and bunched into a compact head of about 5 mm, containing a white larva or pupa.
Site is owned by the National Trust.
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.