Cydnus picipes Fallén, 1807: 54. HT: female, Sweden; MZLU.
Gnathoconus costalis Fieber, 1861a: 366 (syn. Mulsant & Rey, 1866b: 71). STS: Austria, Czech Republic (Bohemia) and Italy.
Gnathoconus concolor var. cyaneonitens Ferrari, 1874: 124 (syn. Signoret, 1881e: 656). ST(S): Italy, Liguria.