Distribution: The species is distributed in Central and Southern Europe.

Habitat: Rhyacophila intermedia lives near springs, in trickles, headwater floodplains, rivulets and rarely in small rivers; it mainly occurs in the Alps and is rarely found in uplands (Botosaneanu & Malicky 1978, Pitsch 1993, Arscott et al. 2003).

Nutrition: Larvae are carnivorous, feeding on small invertebrates (Waringer & Graf 1997, Graf et al. 2002).

Adults: Adults are on the wing from June to November (Waringer & Graf 1997).