Lygaeus melanocephalus Fabricius, 1798: 540. LT (Péricart, 1999d: 82): female, France; ZMUC.
Lygaeus pruinosus Eversmann, 1837a: 36. Nomen nudum.
Arocatus melanocephalus var. melandiscus Garbiglietti, 1869: 112. For Melandiscus of Amyot, 1846b: 81. ST(S): Italy, Piemonte.
Arocatus melanocephalus f. austera Stichel, 1957c: 84.