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.

Coniocleonus nebulosus - A weevil

Range & Status

Formerly widespread in southern England, but has become increasingly scarce and has only been recorded recently in west Cornwall and Dorset.

Regional Distribution

Discovered on the heath at Predannack and The Lizard in 1980 by D.A. Sheppard.

Habitat & Ecology

Larvae feed in the stems of mature Heather Calluna vulgaris and adults occur at the roots of the foodplant. A heathland speciality.


Management of heathland, involving loss of mature Heather bushes.

00 Conservation



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.