Small Fly On Tree Trunk

Small Fly On Tree Trunk

Observation - Small Fly On Tree Trunk - UK and Ireland. Description: Small fly (I think), c.2-3mm, seen on Birch trunk in suburban garden. Seemed quite at home on the bark and reluctant to fly.

Small fly (I think), c.2-3mm, seen on Birch trunk in suburban garden. Seemed quite at home on the bark and reluctant to fly.