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
In the post-1960 period recorded from only three southern counties: Cornwall, Devon and the Isle of Wight.
Recorded only from Erisey on The Lizard in 1981.
Habitat & Ecology
Grassy terrain in warm localities with ample flowers to attract aculeate Hymenoptera.
Ecology not known but it is presumed to parasitise bees. Adults can be seen at flowers such as Dandelion Taraxacum officinale agg. in spring and early summer.
Further loss or mismanagement of old flowery grassland.
Recorded 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.