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
This species is scattered around the coast of Britain.
It is mainly known from the mouth of the Tamar, but with recent records also from the
Hayle and Fal.
Habitat & Ecology
It is associated with freshwater seepages across saltmarshes, where Common Reed Phragmites australis has developed.
Disturbance to reed-beds.
The Cotehele Estate 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.