Links
Links
Pollinator Academy — Strengthening taxonomic capacity in Europe with tools and training.
The IUCN RedList of Threatened Species v. 2016.1
Atlas of the European Bees: genus Andrena 1st Edition
Checklist of the Western Palaearctic Bees (Hymenoptera: Apoidea: Anthophila)
BWARS - Bees, Wasps & Ants Recording Society