Hydropsyche tenuis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Trichoptera
- family: Hydropsychidae
- genus: Hydropsyche
- species: Hydropsyche tenuis
- Feld am See
- Hermagor
- Radenthein
Carinthia- Unken
Salzburg- Steyregg
Upper Austria
Austria- France