Ironoquia dubia (Stephens, 1837)
A rheophilic limnoxen. Trapped from September to October at Chełmowa Góra (6♀), Dabrowa (4♂), Święta Katarzyna (1♂), Trzcianka (3♂), Hucisko (11♂), Kakonin (2♂, 2♀) and Las Serwis (2♂). Not recorded in other mountain areas in Poland, but has been found in regions adjoining the ŚM – the Lublin Upland and the Sandomierz Basin (Czachorowski 1994, Czachorowski et al. 2000).