Description and notes
Identification keys and biology are given in Morgan (1984) and Archer (2003). Kunz (1994) treats C. schencki as a synonym of C. ignita, while Linsenmaier (1997) treats this taxon as a subspecies of C. ignita.
Distribution
Sparingly recorded from Devon to Kent, north to Cambridgeshire and including the Isles of Scilly.
Overseas, Linsenmaier (1997) gives Europe to central Asia, Siberia and Japan.
Status (in Britain only)
Not listed in Shirt 1987, but given as Notable A (now known as Nationally Scarce A) by Falk (1991).
Habitat
No specific information.
Flight period
May to September.
Flowers visited
No specific information found.
Parasites
No specific information found.