Fen fly

Fen fly

Observation - Fen fly - UK and Ireland. Description: Too give some idea of the size of the unknown fly sitting on the house wall, the F on the plastic vent is 6.5mm tall. Local habitat is fenland within 10 m of a slow moving river. Weather was sunny, windy and 15 degrees centigrade. Observation at about n

Too give some idea of the size of the unknown fly sitting on the house wall, the "F" on the plastic vent is 6.5mm tall. Local habitat is fenland within 10 m of a slow moving river. Weather was sunny, windy and 15 degrees centigrade. Observation at about noon