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.

Sphecodes crassus



Range & Status

A very widely distributed species in Britain, where it is recorded from a variety of habitats including heathland, calcareous grassland and disturbed locations such as coastal landslips and soft rock cliffs. It is a cleptoparasite of various species of mining bee of the genus Lasioglossum . A scarce species, but accurate identification in the past has been difficult making the full distribution and frequency of the species difficult to assess. There are numerous Cornish records with more than 10 extant sites, including four of the five main islands in the Isles of Scilly.

Source:

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.