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. https://doi.org/10.11646/zootaxa.4789.2.1