Cimex haematopus Turton, 1802: 671. New name for sanguineus Fabricius, 1794.
?Cimex rubellus Müller, 1776: 108 (syn. Reuter, 1883e: 463, with roseus). ST(S): Denmark (incl. Norway); lost.
Cimex roseus Fabricius, 1777: 300 (junior primary homonym of Cimex roseus Müller, 1776). STS: Germany; ZMUC.
?Cimex pallescens Gmelin, 1790: 2165 (junior primary homonym of Cimex pallescens Gmelin, 1790: 2161; syn. Reuter, 1888a: 307, with roseus). For Cimex No. 158, 159 in Zschach, 1788: 122. STS: EU; lost.
?Cimex conspersus Gmelin, 1790: 2167 (junior primary homonym of Cimex conspersus Gmelin, 1790: 2149; syn. Reuter, 1888a: 307, with roseus). For Cimex No. 183 in Zschach, 1788: 123. ST(S): EU; lost.
Cimex haematodes Gmelin, 1790: 2169. New name for roseus Fabricius, 1777.
Lygaeus alni Fabricius, 1794: 175 (syn. Reuter, 1878a: 144, with roseus). ST(S): Denmark; ZMUC (1 ST).
Lygaeus sanguineus Fabricius, 1794: 175 (junior primary homonym of Lygaeus sanguineus Fabricius, 1794: 155). New name for roseus Fabricius, 1777.
Phytocoris querceti Fallén, 1826: 15 (syn. Stål, 1868: 89, with alni). STS: male, female, Sweden, Esperöd; MZLU (3 STS).
?Phytocoris? roralis Gistel, 1857: 73 (syn. Kerzhner, 1993b: 101). STS: Germany; lost.
Psallus dilutus (non Fieber, 1861): Douglas & Scott, 1865: 417. Misidentification (see Reuter, 1875g: 192; Saunders, 1876d: 304).
Plagiognathus fasciatus Jakovlev, 1893a: 309 (syn. Reuter, 1910b: 86, with roseus var. alni). LT (Kerzhner et al., 1997: 128): male, Russia (ES), Irkutsk; ZMAS.
Psallus roseus var. fraudatrix Reuter, 1894: 145. HT (see Sienkiewicz, 1964: 27): France, Bretagne, Morlaix; MGAB.
Psallus roseus f. griseorosea Stichel, 1933: 272. For alni var. β in Reuter, 1878a: 145 (= sanguineus var. b in Reuter, 1875g: 192).
Psallus roseus f. roseomaculata Stichel, 1933: 272. For alni var. γ in Reuter, 1878a: 145 (= sanguineus var. c in Reuter, 1875g: 192).
Psallus roseus (non Müller, 1776): Stichel, 1956b: 305. Misidentification (see Woodroffe, 1957b: 262; Stichel, 1958b: 22).
Plagiognathus decolor Lindberg, 1934c: 22 (junior secondary homonym of Sthenarus roseri var. decolor Gredler, 1874; syn. Kerzhner, 1996b: 269). HT: female (see Wagner, 1963o: 42), Spain, Malaga; MZHF.
Psallus roseus f. rufata Stichel, 1956b: 305. New name for sanguineus Fabricius, 1794.
Psallus roseus f. simplex Stichel, 1956b: 305. For dilutus sensu Douglas & Scott, 1865. ST(S): Great Britain, Surrey, Cobham Wood.
Psallus alni f. roseotincta Stichel, 1958a: 782. For roseus sensu Stichel, 1956.