Oecetis notata (Rambur, 1842)

It is regarded as a limnophil. In the ŚPN trapped at Chełmowa Góra in late June 2008 (1♂, 1♀). Szczęsny (2002) considered this species to be extinct (Ex?), but subsequent fieldwork revealed its presence in the Brudzeń Landscape Park (Abraszewska-Kowalczyk et al., 2002) and in the River Biebrza (Czachorowski & Graf, 2006).