Havemann et al., 2018 (DNA sequences); Kerzhner, 1977a (nomencl.); Papáček, 1985 (biol.), 1987 (morph.); Wefelscheid, 1912 (biol.).
Distribution: Cox & Cox, 1995 (Iran); Protić, 1998a (Serbia); Coulianos, 2005 (Estonia); Ghahari et al., 2013a (Iran); Carapezza & Mifsud, 2015 (Malta?); Albrecht et al., 2015 (Finland); Baymak & Kıyak, 2022 (Kosovo).