closeup of a female blue mason bee, osmia caerulescens

arthropod arthropoda arthropods bee bees blauwe blue caerulescens close ecedil ecology female hymenoptera insect macro mason mauerbiene mauerbienen megachilidae metselbij metselbijen murarbin murarka murerbier muurbij muurbijen nature osmia outdoors person pollinator scherenbienen solitary wildlife