Cimex sylvestris Linnaeus, 1758: 449. HT: female!, Europe; LSUK.
Pamera contracta Say, 1832: 16 (syn. Stål, 1874b: 145). ST(S): Canada.
Rhyparochromus vicinus Dallas, 1852a: 576 (syn. Barber, 1949: 276). LT (Scudder, 1967c: 284): female, N America; BMNH.
Plociomerus luchsii Baerensprung, 1859: 330. LT (Péricart, 1998c: 6): female, Poland, Silesia; ZMHB.
Ligyrocoris diffusus (non Uhler, 1871): Van Duzee, 1908: 110. Misidentification? (see J.A. Slater, 1964a: 1096).
Ligyrocoris silvestris auct. Unjustified emendation or incorrect subsequent spelling.