low angle closeup on a male grey-backed mining bee, andrena vaga against a blurred grey sky

adult against andrena andrenidae animal arthropod arthropoda backed bee biology blurred caprea close closeup detail ecology entomology flowering fluffy goat grey greybacked hairy hymenoptera insect invertebrate low macro male mining natural nature one outdoor pollination pollinator salix sallow single sky solitary vaga white wild wildflower wildlife willow wing