Schwarz & Gusenleitner 2003. [Results of an investigation on Coelioxys species described by F. Morawitz, as well as further species described by Eversmann, Friese and Radoszkowski, with some comments (Hymenoptera: Apidae: Megachilidae).] Linzer Biologische Beitraege, 35(2), 19 Dezember 2003: 1221-1239