Carayon, 1989c; Haskell, 1958 (stridulation); Jordan, 1933 (biol.); Péricart, 1999a.
Distribution
Gessé et al. 1994 (Andorra); Protić, 2001a (Montenegro Serbia); Tolsgaard & Jensen, 2010 (Faeroe Islands, not established); Carapezza & Mifsud, 2015 (Malta?).