VIVALLO, Felipe; ZANELLA, Fernando César Vieira. 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, [S. l.], v. 760, n. 1, p. 1–15, 2021. DOI: 10.5852/ejt.2021.760.1435. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/1435. Acesso em: 24 apr. 2026.