SHEFFIELD, C. S. A review of the Stelidium group of Stelis Panzer, 1806 (Hymenoptera: Megachilidae) with two new species from western North America. Zootaxa, Auckland, New Zealand, v. 5404, n. 1, p. 134–166, 2024. DOI: 10.11646/zootaxa.5404.1.10. Disponível em: https://mapress.com/zt/article/view/zootaxa.5404.1.10. Acesso em: 3 apr. 2025.