closeup of the male of the horned orchard mason bee, osmia cornuta on the bee-hotel

aaaa apidae arthropoda arthropods bee beehotel bees close closeup cornuta ecology european garden gehoornde hairy horned hymenoptera insect macro male mason megachilidae metselbij murarbin murerbier muurbij muurbijen nature orange orchard osmia pollination pollinator solitary wildlife