Description published
Morawitz, Travel to Turkestan by A. P. Fedtschenko, p. 87.
Location of type
Type material: Holotype m, “prope Taschkent” [Uzbekistan], ZMUM (Moscow).-Combination Osmia (Diceratosmia) dilaticornis Morawitz in Tkalcu (1969a: 333). Combination Osmia (Caerulosmia) dilaticornis Morawitz in Zanden (1988b: 123).