Bee hotel:
Blue mason bee ♂︎

Last update: 9 January 2022
OBSERVATION:
2021-IV-262020-IV-112019-VIII-16


UPDATE: Observation 2021 added

A male Blue mason bee (Osmia caerulescens) [1] hangs around the bee the lower parts of the bee hotels, sections 3 and 4. He rest often on top of section 3, the upright stemm.

Blue mason bee ♂︎ (Osmia caerulescens)

Every now and then he will fly to the small stemms in the lower part of section 4, to rest and observe the outside world.

Blue mason bee ♂︎ (Osmia caerulescens)

UPDATE 2020

Fortunately one of my favorite bees, the Blue mason bee has returned this year. This male is inspecting and defending potential nesting locations, in section 2. Despite the is fanatical in chasing away the larger Red mason bees.

Blue mason bee ♂ (Osmia caerulescens)
Blue mason bee ♂ (Osmia caerulescens)

UPDATE 2021


Blue mason bee ♂︎ (Osmia caerulescens)
Blue mason bee ♂︎ (Osmia caerulescens)

References

1 wildebijen.nl, "De Nederlandse bijen en hun relaties, overzicht van in Nederland en Vlaanderen voorkomende solitaire en sociale bijen (Apidea s.l.)"

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