Pachymerus hemipterus Schilling, 1829: 77. STS: Poland, Silesia; lost.
Pachymerus staphiliniformis [sic] (non Schilling, 1829): Hahn, 1832: 61. Misidentification (see A. Costa, 1853: 73).
Pachymerus pallidipennis Herrich-Schaeffer, 1850: 210 (syn. Herrich-Schaeffer, 1850: 211). STS: Germany, Regensburg; lost.
Ischnocoris sinuaticollis Reuter, 1880c: 9 (syn. Reuter, 1881d: 88). HT (see Péricart, 1994c: 413): male, Greece, Olymp; MZHF.