Vivallo, Felipe. 2009. “Notes on the Bee Genus Alloscirtetica Holmberg, 1909 in Northern Chile With the Description of Two New Altiplanic Species and a Key for the Chilean Species of Eucerini (Hymenoptera: Apidae)”. Zootaxa 2010 (1). Auckland, New Zealand:16–30. https://doi.org/10.11646/zootaxa.2010.1.2.