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.

Orthonevra geniculata

Range & Status

Widespread but with most records from the Scottish Highlands and the East Anglian


Regional Distribution

Recorded in Cornwall from two sites on The Lizard (1981), at Liskeard (1992), Keveral Wood, Seaton, Saltash, Sheviock, Maker, St. Anne' s Chapel and Torpoint (1993), Morval, Torpoint and Polbathic (1994) and Zennor (2000).

Habitat & Ecology

The adults can be seen at marsh flowers between April and July in bogs and fens.


Drainage and lowering of the water table by extraction.


The west Cornwall sites are on the Lizard National Nature Reserve.


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.