Description published
Kirby, Monographia Apum Angliae, vol. 2, p. 263.
Location of type
Type material: Lectotype f, by designation of Tkalcu (1975c: 309), [United Kingdom], BMNH (London).-Combination Osmia (Chalcosmia) leaiana (Kirby) in Tkalcu (1975c: 309).-Synonymy with Osmia fulviventris (Panzer) in Dalla Torre (1896: 395). Synonymy with Osmia ventralis (Panzer) in Warncke (1988a: 30), rejected by Özbek and Zanden (1992a: 27) and by Schwarz et al. (1996: 123).