closeup of the male of the horned orchard mason bee, osmia cornu

aaaa arthropoda arthropods bees ecology european orchard bee gehoornde metselbij hymenoptera insect mason mauerbiene mauerbienen megachilidae murarbin murerbier nature osmia cornuta scherenbienen close up garden horned macro male metselbijen murarka muurbij muurbijen pollinator solitary wildlife