Benedek, 1969a (fig., redescr., as linearis); Dioli, 1993 (redescr.); P.V. Putshkov, 1980 (eggs, larvae, as linearis), 1987a, 1994a (morph.); Stål, 1874b (Metapterus); Tamanini, 1962a (fig., habitat, as linearis). Distribution: Davidová-Vilímová & Kment, 2003 (Bulgaria Croatia Slovakia); Protić, 2010a (Macedonia); Davranoglou, 2011 (Greece); Rabitsch, 2018 (Albania).