close-up on the male of the banded mining bee, andrena gravida, sitting on a yellow ficaria verna flower

arthropoda andrena gravida andrenidae arthropod banded miningbee bee ecology ficaria verna flora hymenoptera insect nature plant ranunculaceae whitebellied animal biology botanical botany buttercup closeup entomology flower flowering hairless invertebrate lesser celandine macro male mining outdoors perennial pilewort pollinator single solitary wild wildflower wildlife yellow natural sitting close-up