Hylaeus nigrifacies, Taxa Only, Exact Match: 2 Treatments

Hylaeus nigrifacies			Cornalba, Maurizio, Quaranta, Marino, Selis, Marco, Flaminio, Simone, Gamba, Sirio, Mei, Maurizio, Bonifacino, Marco, Cappellari, Andree, Catania, Roberto, Niolu, Pietro, Tempesti, Stefano & Biella, Paolo, 2024, Exploring the hidden riches: Recent remarkable faunistic records and range extensions in the bee fauna of Italy (Hymenoptera, Apoidea, Anthophila), Biodiversity Data Journal 12, pp. 116014-116014 : 116014	116014
Hylaeus nigrifacies			Risch, Stephan, Roberts, Stuart P. M., Smit, Jan, Wood, Thomas J., Michez, Denis & Reverté, Sara, 2023, The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila), Zootaxa 5327 (1), pp. 1-147 : 49	49