Ecnomus tenellus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Trichoptera
- family: Ecnomidae
- genus: Ecnomus
- species: Ecnomus tenellus
Mannersdorf an der Rabnitz
Burgenland
Ferlach
Klagenfurt am Wörthersee
Carinthia
Angern an der March
Klosterneuburg
Wördern
Lower Austria
Austria
Janneyrias
B9
France
Erlabrunn
Bavaria
Fuldabrück
Gelnhausen
Offenbach
Hesse
Bingen am Rhein
Bretzenheim
Langsur
Münster-Sarmsheim
Oberbillig
Palzem
Rheinland-Pfalz
Belgern
Saxony
Steinrode
Thuringia
Germany
Predosa
Piedmont
Domusnovas
Musei
Sardinia
Italy
Aspelt
03
Luxembourg
Štrba
Prešovský
Slovakia
Kallnach
Bern
Aire-la-Ville
Geneva
Switzerland
Rizárion
Debrecen
Ronneby