Cydnus fumigatus A. Costa, 1853: 55 [59]. LT (Carapezza et al., 1995: 283): male, Italy, Caserta nr Naples; ZIUN.
Gnathoconus concolor Mulsant & Rey, 1866b: 73 (syn. Puton, 1886a: 9). LT (J.A. Lis, 1996d: 105): male, France, Saint-Raphaël; MNHN.
Legnotus similis Wagner, 1960g: 127 (syn. Magnien, 1999: 468). HT (see Aukema & Kerzhner, 2005: 70): male, France, Pyrenées, Vallé de la Massané; ZMUH.