(10) Megachile alpicola on Centaurea jacea L. (photo A. Krebs). (11) Hoplitis villosa on Taraxacum spec. (photo P. Westrich). (12) Osmia labialis on Carduus nutans L. (photo A. Krebs). (13) Osmia parietina on Lotus corniculatus L. (photo R. Prosi). (14) Osmia uncinata on Rubus spec. (photo A. Jacobs). (15) Osmia xanthomelana on Hippocrepis comosa L. (photo R. Prosi).

 
 
  Part of: Müller A (2018) Pollen host selection by predominantly alpine bee species of the genera Andrena, Panurginus, Dufourea, Megachile, Hoplitis and Osmia (Hymenoptera, Apoidea). Alpine Entomology 2: 101-113. https://doi.org/10.3897/alpento.2.29250