For terms see Morphology of Diptera External images A large (Wing length 9·75-11·25 mm.)
metallic fly with red fur and long black antennae.
Antennae segment 1 at least twice as long as 2 with a short arista (more so in male) which is bulbous at the base, then thread-like.
[6] Scotland, Belgium, Netherlands, Germany, Poland, Hungary, Balaearic islands, Pyrenees, Corsica, Italy, Greece, and Romania.
Flowers visited include Ranunculus repens.