In older literature this species is referred to as Chrysis pustulosa Abeille de Perrin. Identification keys and general biology are given in Morgan (1984), Falk (1991) and Kunz (1994).
Cornwall to Kent, and north to South Yorkshire. The species is widespread but rarely found (M Edwards, pers. comm.).
Overseas: Europe, Turkey, Syria, Arabia, Caucasus, Siberia, north Africa.