Lygaeus contaminatus Fallén, 1807: 76. STS: male, female, Sweden, Westrogothia [= prov. Västergötland]; MZLU.
Capsus sulcifrons Kirschbaum, 1856: 290, 343 (syn. Fieber, 1861: 392). HT: male, Germany, Mombach; MWNH.
Capsus viridis (non Fallén, 1807, part.): Flor, 1860: 531. Misidentification (see Reuter, 1873: 9).
Lygus innotatus Reuter, 1870: 322 (syn. Wagner, 1949b: 32). HT (see also Wagner, 1949b: 32; Kerzhner, 1997d: 118): female, Finland, Kapellstrand nr Pargas; MZHF.
Lygus (Neolygus) confusus Knight, 1917b: 606 (syn. Kelton, 1971b: 11). HT: male, USA, Maine, Machias.