Description published
Latreille, Histoire Naturelle des Crustacés et des Insectes, vol. 14: 59 [not seen].
Location of type
Type material: [France]. Combination Osmia (Ceratosmia) cornuta (Latreille) in Schmiedeknecht (1885: 19 [885]). Combination Osmia (Pachyosmia) cornuta (Latreille) in Friese (1911b: 127).