closeup on a female of the rare and early flying large sallow, mining bee, anderna apicata on a yellow willow pollen

arthropoda andrena apicata andrenidae arthropod bee ecology flora hymenoptera insect large sallow mining nature plant parts salicaceae salix animal biology botanical botany closeup entomology female flower flowering invertebrate macro outdoors pollen pollinator single solitary wild wildflower wildlife yellow natural rare early flying anderna sitting loaded willow catkin caprea