closeup on a female of the rare wilke's mining bee, andrena wilkella, a specialist on clover, sitting on a green leaf

arthropoda andrena wilkella andrenidae ardennen arthropod bee belgium hymenoptera insect nature viroin wilkes mining animal biology close closeup entomology invertebrate macro outdoors pollinator single solitary wild wildlife natural female rare specialist clover sitting green leaf wilke#39aph39#s