MÜLLER, A. Palaearctic Chelostoma bees of the subgenus Gyrodromella (Megachilidae,    Osmiini): biology, taxonomy and key to species. Zootaxa, Auckland, New Zealand, v. 3936, n. 3, p. 408–420, 2015. DOI: 10.11646/zootaxa.3936.3.6. Disponível em: https://mapress.com/zt/article/view/zootaxa.3936.3.6. Acesso em: 20 apr. 2025.