González-Vaquero, R.A. and Roig-Alsina, A. 2019.

The bee Ruizanthedella mutabilis Spinola (Hymenoptera: Halictidae): a very common but poorly known species studied using integrative taxonomy

. Zootaxa. 4563, 1 (Feb. 2019), 191–200. DOI:https://doi.org/10.11646/zootaxa.4563.1.12.