GIBBS, David. A world review of the bee fly tribe Usiini (Diptera, Bombyliidae) — Part 3: Parageron Paramonov s. lat. European Journal of Taxonomy, [S. l.], v. 863, n. 1, p. 1–162, 2023. DOI: 10.5852/ejt.2023.863.2081. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/2081. Acesso em: 24 apr. 2026.