“Cladistic Analysis and Evolutionary Relationships of Xylocopa Latreille, 1802, Subgenus Xylocopoides Michener, 1954, a New World Lineage of Large Carpenter Bees (Insecta: Hymenoptera: Apidae)”. Tropical Zoology, vol. 30, no. 3, Aug. 2017, pp. 135-43, https://biology.pagepress.org/tz/article/view/54.