Selection of pollen grains collected by the females of the Austrian species of the Colletes succinctus group, scale bar 10 µm: A. Asteraceae tubuliflorae; B. Asteraceae tubuliflorae (Tripolium pannonicum); C. Asteraceae liguliflorae; D. tricolporate/reticulate; E. Resedaceae (Reseda sp.); F. Ericaceae (Calluna vulgaris); G. Araliaceae (Hedera helix); H. Rutaceae (Citrus sp.).

 
 
  Part of: Zenz K, Zettel H, Kuhlmann M, Krenn HW (2021) Morphology, pollen preferences and DNA-barcoding of five Austrian species in the Colletes succinctus group (Hymenoptera, Apidae). Deutsche Entomologische Zeitschrift 68(1): 101-138. https://doi.org/10.3897/dez.68.55732