Range
This species was first recorded in 1830, and was not seen again for around 100 years (6). In Britain, it is currently found only in Windsor Forest and Windsor Great Park (7). Elswhere, the species is 'scarce and sporadic' in central Europe (6).
Habitat
Associated with red-rotten wood on veteran oak trees and fallen branches (7), it inhabits ancient broadleaved woodland as well as pasture-woodlands (1).