Pollen host spectrum of Osmia nigriventris based on the microscopical analysis of 50 scopal loads from 41 different localities in the Swiss and French Alps.

  Part of: Müller A, Prosi R, Praz C, Richter H (2019) Nesting in bark – the peculiar life history of the rare boreoalpine osmiine bee Osmia (Melanosmia) nigriventris (Hymenoptera, Megachilidae). Alpine Entomology 3: 105-119. https://doi.org/10.3897/alpento.3.34409