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.

Elachista cahorsensis - Three-row Dwarf Moth

Range & Status

Occurs in Ireland, Wales and some from Cornwall (Bland, 1996).

Regional Distribution

This species has been recorded in Cornwall mainly on the north coast at Chapel Porth, Perranporth, Wheal Coates and Cligga Head, but also on The Lizard at Kynance, Kennack Sands and Downas Cove; confirmation by genitalia examination is required before all of these records can be accepted.

Habitat & Ecology

The larvae feed on Red Fescue Festuca rubra (Heckford, pers. comm.).


None known.




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.