Lygaeus variabilis Fallén, 1807: 88. STS: male, female, Sweden; MZLU (1 ST).
Capsus roseus (non Fabricius, 1777): Kirschbaum, 1856: 256. Misidentification (see Wagner, 1939b: 52).
Apocremnus simillimus (non Kirschbaum, 1856): Fieber, 1861: 305. Misidentification (see Flor, 1861: 626).
Psallus salicis (non Kirschbaum, 1856): Douglas & Scott, 1865: 414 (part). Misidentification (see Reuter, 1878a: 116).
Psallus whitei Douglas & Scott, 1869: 263 (syn. Puton, 1875a: 43; Saunders, 1876d: 302). HT: female, Great Britain, Scotland, Rannoch; BMNH.
Psallus variabilis f. rubra Stichel, 1933: 265 (junior secondary homonym of Capsus ruber Herrich-Schaeffer, 1835). For var. β in Reuter, 1878a: 116.
Psallus variabilis f. variegata Stichel, 1933: 265. For var. γ in Reuter, 1878a: 117.