Rhyparochromus brunneus R.F. Sahlberg, 1848: 57. LT (Péricart, 1994c: 404): female, Finland, Yläne; MZHF.
?Cimex testaceus Rossi, 1794: 55 (junior primary homonym of Cimex testaceus Scopoli, 1763; syn. Reuter, 1888a: 383, suspected). ST(S): Italy, Etruria; lost.
Pachymerus pallidulus Herrich-Schaeffer, 1850: 211 (syn. Stål, 1862b: 217). ST(S): Europe (south; see Herrich-Schaeffer, 1853b: 149); lost.
Drymus notatus Fieber, 1861a: 179 (syn. Stål, 1862b: 217). ST(S): Germany; lost?
Drymus brunneus var. obscurus J. Sahlberg, 1920: 72. LT (Péricart, 1994c: 404): male, Finland, Kuhmois; MZHF.