AN, J.; WILLIAMS, P. H.; ZHOU, B.; MIAO, Z.; QI, W. The bumblebees of Gansu, Northwest China (Hymenoptera, Apidae). Zootaxa, Auckland, New Zealand, v. 2865, n. 1, p. 1–36, 2011. DOI: 10.11646/zootaxa.2865.1.1. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.2865.1.1. Acesso em: 28 jun. 2025.