Hydropsyche silfvenii (ulmer, 1906)
Distribution: Norway, Sweden, Finland
Figures: 1-5, ♂-genitalia: 1 - lateral; 2 - dorsal; 3 - phallus and gonopod, ventral; 4 - phallus, lateral. 5-6, ♀-genitalia: 5 - lateral; 6 - clasper receptacle, lateral. 7- fore wing
Comments: Norwegian Red List (2006): near threatened; see: Neu & Tobias (2004)
Tobias & Tobias (2008): Trichoptera fennoscandinavica. - HTML Document