Marking of an Osmia cornuta male (photos: J. Kirndorfer) a application of the glue and b, c attaching of the apiarists’ tag d a labeled male ready to take off.

  Part of: Hofmann MM, Fleischmann A, Renner SS (2020) Foraging distances in six species of solitary bees with body lengths of 6 to 15 mm, inferred from individual tagging, suggest 150 m-rule-of-thumb for flower strip distances. Journal of Hymenoptera Research 77: 105-117.