Villamizar, G., Fernández, F. & Vivallo, F. (2020)

Synopsis of the carpenter bee subgenus Xylocopa (Schonnherria) Lepeletier, 1841 (Hymenoptera: Apidae) in Colombia, with designation of lectotypes and the description of two new species

. Zootaxa, 4789 (2), 301–347.