Previously known as Spinolia neglecta. Identification keys and general biology are given in Chapman (1869, 1871), Morgan (1984) and Kunz (1994).
Rare. From East Cornwall to Kent, and north to Cardiganshire, Denbighshire, Nottinghamshire and West Norfolk.
Overseas, the wasp occurs in Europe (including Sweden, Finland, Denmark, The Netherlands, Belgium, Luxembourg, France, Spain, Germany, Italy, Poland and Hungary); Asia; USA west of Colorado and Canada west of Ontario.
Usually Associated with vertical faces of hard earth used as nesting sites by its host. Habitats include lowland heathland, maritime cliffs and slopes, coastal sand dunes and lowland dry acid grassland.
Mainly during June, but also May and July, rarely August and September.
Crown daisy, hawkweeds and yarrow.
No specific information found.