Pachymerus ferrugineus Mulsant & Rey, 1852: 120. STS: France, nr Lyon; lost.
Pachymerus mitellatus A. Costa, 1853: 24 (syn. Puton, 1884a: 149). LT (Péricart in Carapezza et al., 1995: 285): male, Italy, nr Naples; ZIUN.
Scolopostethus rubefactus Garbiglietti, 1869: 117 (syn. Puton, 1871a: 418). ST(S): Italy, nr Torino; MIZT?
Notochilus ferrugineus var. geniculata Gredler, 1870: 85. LT (Heiss, 1997b: 289): male, Italy, Trentino, Bolzano; FGBI.