STRAKA, J.; BOGUSCH, P. Contribution to the taxonomy of the Hylaeus gibbus species group in Europe (Hymenoptera, Apoidea and Colletidae). Zootaxa, Auckland, New Zealand, v. 2932, n. 1, p. 51–67, 2011. DOI: 10.11646/zootaxa.2932.1.6. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.2932.1.6. Acesso em: 28 jun. 2025.