Reference
Rocio A. Gonzalez-Vaquero, Arturo Roig-Alsina (2017): Phylogeny of the Corynura group, an endemic southern South American clade sister to all other Augochlorini bees (Hymenoptera: Halictidae), and a revision of Corynura – Arthropod Systematics and Phylogeny – 75: 435 - 479.