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
Widely distributed in central southern and south-eastern England, but very localised and very rare outside of this area.
Recorded only at Millook in 1919.
Habitat & Ecology
An old growth speciality, it develops in red-rotten timber of old Oak Quercus spp.; also reported from deadwood of Beech Fagus sylvatica and Pine Pinus spp. The adults nectar at Hawthorn Crataegus monogyna blossom.
Felling old trees; poor age structures of trees.
Much of the Millook Valley is now owned and managed by the Woodland Trust.
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.