EARDLEY, C.; GRISWOLD, T. Taxonomic revision of the Afrotropical species of <em>Pachyanthidium</em> Friese (Hymenoptera: Megachilidae: Anthidiini). Zootaxa, Auckland, New Zealand, v. 4237, n. 3, p. 401–453, 2017. DOI: 10.11646/zootaxa.4237.3.1. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.4237.3.1. Acesso em: 28 jan. 2022.