Vivallo, Felipe, and Fernando César Vieira Zanella. 2021. “Relicthemisia, a New Subgenus of the Oil-Collecting Bee Genus Centris Fabricius, 1804 With Notes on Distribution and Host Plants of C. Xanthomelaena Moure & Castro, 2001 (Hymenoptera: Apidae)”. European Journal of Taxonomy 760 (1):1-15. https://doi.org/10.5852/ejt.2021.760.1435.