Andrena probata (left) and Andrena ranunculorum (right), two rare and emblematic species of the dry, inner Alpine Valleys of Switzerland. Pictures by Dimitri Bénon (

  Part of: Praz C, Müller A, Bénon D, Herrmann M, Neumeyer R (2023) Annotated checklist of the Swiss bees (Hymenoptera, Apoidea, Anthophila): hotspots of diversity in the xeric inner Alpine valleys. Alpine Entomology 7: 219-267.