Niu, Z.-Q., Zhu, C.-D. and Kuhlmann, M. 2014. Bees of the Colletes flavicornis-group from China with description of one new species (Hymenoptera: Apoidea: Colletidae). Zootaxa. 3780, 3 (Mar. 2014), 534–546. DOI:https://doi.org/10.11646/zootaxa.3780.3.5.