Lenarchus (Lenarchus) productus (morton, 1896)

Distribution:  Sweden, Finland

Figures:  1-3, ♂-genitalia: 1 - lateral; 2 - dorsal; 3 - caudal. 4-6, ♀-genitalia: 4 - lateral; 5 - dorsal; 6 - ventral (figs. 4-6 from schmid 1952e)

Comments: Norsk Rødliste (2006): critically endangered

Tobias & Tobias (2008): Trichoptera fennoscandinavica. - HTML Document