South of northern France largely confined to mountain ranges.

The habitat is Alnus, Quercus and Betula with Salix woodland or coniferous (Picea) woodland or amongst Alnus and Salix.Also found by springs, wet flushes and along streams in grassland.

Flowers visited include white umbellifers, composites, Cirsium vulgare, Centaurea, Cirsium vulgare, Ranunculus, Rubus, Scabiosa, Succisa pratensis, Mentha aquatica, Sonchus.

[7] Flies in late summer and autumn (end July to October).

The larva is probably aquatic and microphagous on debris in semi-liquid mud close to streams and springs.