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.

Sunius bicolor

Range & Status

It is not clear whether this species actually occurs in Britain, but there are unconfirmed records from a number of sites in southern England, as well as west Cornwall.

Regional Distribution

Bannister reported this species as ' fairly commonly' at St. Levan in 1958, and both Joy (1908) and Mackechnie-Jarvis (1969) have reported it from the Isles of Scilly.

Habitat & Ecology

Possibly a coastal species; possibly associated with Yellow Meadow Ant Lasius flavus .


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.

Cornish Biodiversity Network. 2017.