Aukema, 1981; Bacchi & Rizzotti Vlach, 1994; Gorczyca, 1990; Pagola-Carte, 2018a (genitalia, status discussion); Kerzhner, 1979a; Reichling, 1984; Rieger, 1972b; Woodroffe, 1957b; Zaitzeva, 1968.
Distribution
Drapolyuk, 2001 (Azerbaijan); Pagola-Carte et al., 2005 (Spain); A. Gogala, 2006 (Slovenia); Rieger, 2007 (Greece); Wyniger & Burckhardt, 2003 (Switzerland);); Kondorosy, 2005 (Hungary); Endrestøl & Ødegaard, 2011 (Norway); Protić, 2014 (Serbia).