Capsus salicis Kirschbaum, 1856: 257, 334. LT (Rieger, 1981b: 95): male, Germany, Wiesbaden; MWNH.
?Capsus signatipes Herrich-Schaeffer, 1835b: 49 (syn. Herrich-Schaeffer, 1841: 46, with roseus auct.; Reuter, 1878a: 125, 127, with scholtzi and lepidus, suspected). ST(S): Germany?; lost.
Psallus scholtzi Fieber, 1861a: 306 (syn. Rieger, 1981b: 95). ST(S): male, Switzerland.
Psallus alni Douglas & Scott, 1865: 414 (junior secondary homonym of Lygaeus alni Fabricius, 1794). STS: Great Britain, Lewisham [= part of London]; BMNH? (not found).
Psallus alnicola Douglas & Scott, 1871: 62 (syn. Kerzhner, 1964b: 758, with scholtzi). New name for alni Douglas & Scott, 1865.
Psallus scholtzi f. fieberi Stichel, 1933: 266 (junior primary homonym of Psallus fieberi Fieber, 1864). For var. β in Reuter, 1878a: 125 (= var. "b" in Reuter, 1875g: 186).