Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

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.

Gonomyia conoviensis

Range & Status

Widely dispersed across Britain, particularly around the rocky coasts of Wales and West Scotland, but also in the uplands.

Regional Distribution

Discovered on Treluggan Cliff, Veryan Bay by Keith Alexander in 1989.

Habitat & Ecology

Associated with seepages or streamlets on coastal cliffs and rocks. The biology is

unknown, but the larvae presumably live in sediments by the seepages.


Coastal defence works and water extraction in vicinity of sites.


The Cornish site is National Trust land.


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.