Rhyparochromus puncticollis Lucas, 1849: 77. LT (Péricart, 1996c: 106): male, Algeria, nr Alger, Kouba; MNHN.
Rhyparochromus luctuosus Lucas, 1849: 77 (syn. Puton, 1873: 23, suspected; 1875a: 23). LT (Péricart, 1996c: 106): female, Algeria, Philippeville [= Skikda]; MNHN.
Megalonotus niger Fieber, 1861a: 182 (syn. Puton, 1873: 23). STS: male, female, Italy, Sicily; lost?
Rhyparochromus puncticollis var. nigrofemoratus Puton in Noualhier, 1889: 302. ST(S): Canary Islands, Tenerife; lost?
Rhyparochromus puncticollis var. nigripes Horváth, 1892c: 130, 138 (junior primary homonym of Rhyparochromus nigripes Dallas, 1852). LT (Scudder, 1970a: 204): female, France, Carcassonne; HNHM.
Megalonotus puncticollis f. annulipes Stichel, 1959b: 252.
Megalonotus puncticollis horvathi J.A. Slater, 1964a: 1378. New name for nigripes Horváth, 1892.