"Dahlbom (1854)" . "Dahlbom (1854)" . _:b70018051 . "1854"^^ . . "1854"^^ . . . _:b70018051 "10.5962/bhl.title.15890" . "10.5962/bhl.title.15890" . _:b70018051 . . . "Dahlbom, A.G. 1854. Hymenoptera Europaea praecipue borealia, formis typicis nonnullis specierum generumve Exoticorum aut Extraneorum propter nexum systematicum associatis, per familias, genera, species et varietates disposita atque descripta. v.2. Chrysis in sensu Linn\u00E6ano. Friedrich Nicolai, Berlin. 412 pp" . _:b70018051 .