VÉLEZ, D.; VIVALLO, F. A new South American species of Centris (Heterocentris) Cockerell, 1899 with a key to the species with horn-like projections on the clypeus (Hymenoptera: Apidae: Centridini). Zootaxa, Auckland, New Zealand, v. 3357, n. 1, p. 49–55, 2012. DOI: 10.11646/zootaxa.3357.1.4. Disponível em: https://mapress.com/zt/article/view/zootaxa.3357.1.4. Acesso em: 11 apr. 2025.