[1][2][3] The 5 to 6 mm long body is shiny black to blue, the head has a red forehead (frons) and a furrowed face.

[4][5] The adults fly from May to September near trees, bushes, hedges; once landed, they wave their wings constantly.

They feed on flower pollen and small insects ( aphids ).

The larvae live in litter (decomposing plants that they help to transform).

This article related to members of the fly family Ulidiidae is a stub.