Cimex quadripunctatus Müller, 1766: 191. ST(S): Italy, Piemonte, nr Torino; lost.
Aphanus erythropterus Brullé, 1832: 75 (syn. Fieber, 1861a: 192). ST(S): Greece; MNHN?
Pachymerus pulcher Herrich-Schaeffer, 1835b: 44, 79 (syn. Horváth, 1875b: 78, with erythropterus). ST(S): Italy; lost.
Pachymerus ibericus Kolenati, 1845: 79 (syn. Baerensprung, 1860: 9, with pulcher). LT (designated here): female, Georgia, Tiflis [= Tbilisi]; NHMW.
Beosus quadripunctatus f. nigripes Tamanini, 1946d: 11. ST(S): Italy, Brindisi; not located (see Martinelli, 2000).
Beosus quadripunctatus var. ochraceus Wagner, 1949l: 7. LT (Péricart, 1999c: 223, as HT): male, Italy, nr Roma, Maccarese; ZMUH.