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

arthropoda aalter andrena vaga andrenidae arthropod bee flora hymenoptera insect nature plant prunus spinosa rosaceae adult animal backed biology blackthorn botanical botany close up closeup detail entomology fauna flower flowering fluffy grey greybacked hairy invertebrate macro mining natural one outdoor pollination pollinator single sloe solitary white wild wildlife wing female