Xylota ejuncida

Xylota ejuncida , (Say, 1824), the  Polished Leafwalker , is a rare species of syrphid fly observed in the eastern North America. Syrphid flies are also known as Hover Flies or Flower Flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. Adults are 9.6-10.9 mm long. The larvae of this genus live under bark in sap runs.

Distribution
Canada, United States.