Pauly, A., Noël, G., Sonet, G., Notton, D.G. and Boevé, J.-L. 2019. Integrative taxonomy resuscitates two species in the Lasioglossum villosulum complex (Kirby, 1802) (Hymenoptera: Apoidea: Halictidae). European Journal of Taxonomy. 541 (Aug. 2019). DOI:https://doi.org/10.5852/ejt.2019.541.