Cimex squalidus Gmelin, 1790: 2177. New name for sordidus Fabricius, 1787.
Cimex sordidus Fabricius, 1787: 302 (junior primary homonym of Cimex sordidus Goeze, 1778, Coreidae or Reduviidae and Cimex sordidus Thunberg, 1784, Coreidae). LT (Péricart, 1999d: 84): female, India, Tranquebaria; ZMUC.
Rhyparochromus pallens Dallas, 1852: 567 (syn. Distant, 1901b: 501). ST(S): India, N Bengal; lost (see Scudder, 1967c: 276).
Aphanus fallaciosus Matsumura, 1906: 34 (syn. Hidaka, 1964b: 379, with sordidus). ST(S): male, Japan, Ryukyus, Okinawa; EIHU.
Aphanus littoralis Distant, 1918b: 262 (syn. Corby, 1947: 609). LT (Scudder, 1967c: 271): female, Sudan, Blue Nile; BMNH.