closeup on a male grey-backed mining bee, andrena vaga on a white flower

arthropoda achillea millefolium andrena vaga andrenidae arthropod asteraceae bee flora hymenoptera insect nature plant adult animal backed change climate closeup common daisy family detail entomology fauna flower flowering fluffy grey greybacked hairy invertebrate macro male mining natural one outdoor pollination pollinator season solitary unusual white wild wildflower wildlife wing yarrow