[1]
Vivallo, F. and Vélez, D. 2016.

A synopsis of the subgenus Centris (Hemisiella) Moure, 1945 (Hymenoptera: Apidae: Centridini) in Colombia, with description of a new species

. Zootaxa. 4162, 1 (Sep. 2016), 107–133. DOI:https://doi.org/10.11646/zootaxa.4162.1.5.