closeup on the small and dark viper\'s bugloss mason bee, osmia adunca

aaaa arthropoda arthropod bee color ecology endangered hoplitis adunca hymenoptera insect megachilidae natterkopfmauerbiene nature osmia other slangenkruidbij status vipers bugloss mason animal biology black close closeup detailed entomology green leaf macro no people person one outdoors pollinator rare single small solitary wild wildlife