Elder, 2002 (larva); Höregott & Jordan, 1954 (female characters); Hufnagel & Vásárhelyi, 2000 (larva); Jaczewski, 1929 (redescr.); Jansson, 1986a; Tamanini, 1964a (f. brach.).
Distribution
Derzhansky, 1995a (Moldavia); Gheit, 1995 (Morocco); Protić, 1998a (Serbia); Kelleher & Van der Velde, 2001 (Netherlands); Baugnée, 2005 (Belgium); Nau & Brooke, 2006 (Great Britain); Cianferoni, 2013 (Italy: mainland); Ghahari et al., 2013a (Iran); Aukema, 2016 (Netherlands); Kanyukova et al., 2016 (China: NW); Wiprächtiger, 2022 (Switzerland).