Lygaeus chiragra Fabricius, 1794: 168. LT (Péricart, 1999d: 80): male, Denmark; ZMUC.
Pachymerus tibialis Hahn, 1831: 23 (syn. Herrich-Schaeffer, 1835b: 78). STS: Germany; lost.
Rhyparochromus chiragra var. nigricornis Douglas, 1875b: 267. STS: Great Britain; lost?
Rhyparochromus chiragra var. tenebrosa Kiritshenko, 1912b: 386. LT (Péricart, 1998b: 127): female, Kirgizia, prov. Semirech'e, nr Przhevalsk; ZMAS.