Cimex exanthematicus Scopoli, 1763: 121. ST(S): Italy, circa Tergestum [= nr Trieste]; lost.
Cimex pedemontanus Fabricius, 1781: 342 (syn. Herrich-Schaeffer, 1853a: 3). STS: Italy, agro pedemontano [= Piemont]; ZMUC.
Cimex allioni Gmelin, 1790: 2132. Unnecessary new name for pedemontanus Fabricius, 1781.
Psacasta exanthematica var. herculeana Horváth, 1891a: 76 (upgraded to species by Stichel, 1960c: 470; syn. Carapezza & Kerzhner, 2005: 55). STS: male, female, Armenia, Syria and France (Fréjus); HNHM.
Psacasta pallida Reuter, 1902a: 141 (syn. Carapezza & Kerzhner, 2005: 55). ST(S): male, Turkey, Akbés [= Ekbaz]; MNHN?
Psacasta simillima Horváth, 1917a: 368 (syn. Carapezza & Kerzhner, 2005: 55). STS: male, female, Spain, Cuenca; HNHM.
Psacasta herculeana f. versicolor Stichel, 1960c: 469, 470.