Allium attracts many different bee species. The Red mason bee (Osmia bicornis syn. Osmia rufa) [1] can be found on the plant as well on occasions, where the males and females forage for nectar, here a female.

Literature
1 Nederlands SoortenregisterOsmia bicornis (Red mason bee)♀︎
Allium sp.Allium attracts many different bee species. The Red mason bee (Osmia bicornis syn. Osmia rufa) [1] can be found on the plant as well on occasions, where the males and females forage for nectar, here a female.
Literature
1 Nederlands Soortenregister