Range & Status
Recorded mainly from broadleaved woodland, and occasionally heathland, in central southern England, with a few scattered records as far north as Yorkshire. About 20 post-1980 sites.
Recorded at Penlee Battery in 2000.
Habitat & Ecology
Associated with old woodland. Larvae found in water-filled cavities in old trees, notably Birch Betula spp. Adults fly from June to September.
Removal of old or dead trees.
Penlee Battery is a Cornwall Wildlife Trust Reserve, close to woodland owned by Mount Edgcumbe Country Park.