Description published
Spinola, Insectorum Liguriae, vol. 2, p. 69.
Location of type
Type material: Neotype f, by designation of Zanden (1984c: 187), “Venezia-Ciulia” [Italy], RMNH (Leiden).-Type species of Caerulosmia Zanden.-Combination Osmia (Chalcosmia) gallarum Spinola in Schmiedeknecht (1885: 20 [886]). Combination Osmia (Diceratosmia) gallarum Spinola in Tkalcu (1969a: 333). Combination Osmia (Caerulosmia) gallarum Spinola in Zanden (1988b: 123).