Figures 4-6 from: Praz C, Müller A, Genoud D (2019) Hidden diversity in European bees: Andrena amieti sp. n., a new Alpine bee species related to Andrena bicolor (Fabricius, 1775) (Hymenoptera, Apoidea, Andrenidae). Alpine Entomology 3: 11-38. https://doi.org/10.3897/alpento.3.29675

Figures 4-6 Phenology (left diagram) and altitudinal distribution (right diagram) of the three Alpine taxa of the bicolor-group; only data originating from the Alps were used to produce these graphs. 4, Andrenaallosa. 5, A.amieti sp. n. 6, A.montana.