Description published
Latreille, Encyclopédie Méthodique, Histoire Naturelle, Insectes, vol. 8, p. 575.
Location of type
Type material: Syntypes m(m), f(f), “environs d’Aix, Montpellier” [France].-Combination Osmia (Ceratosmia) tricornis Latreille in Schmiedeknecht (1885: 19 [885]). Combination Osmia (Pachyosmia) tricornis Latreille in Friese (1911b: 126).