Description published
Schrank, Enumeratio Insectorum Austriae Indigenorum, p. 400.
Location of type
Type material: f(f), “Viennae” [Austria], presumed lost (Tkalcu, 1977a: 97).-Combination Osmia (Helicosmia) bicolor (Schrank) in Schmiedeknecht (1885: 22 [888]).