Apis fastosus HARRIS 1776; Megachile parvula LEPELETIER 1841; Megachile infragilis CRESSON 1878; Megachile rufiventris SCHENCK 1851; Megachile appia NURSE 1903; Megachile leoni TITUS 1906;
An identification key is in Else (1999).
A widespread species in Britain, although it is more frequently recorded from the south. It also occurs in the east of Ireland and on the Channel Islands.
Widespread in western Europe, from Spain and Italy in the south north to Fennoscandia.