Lygaeus Fabricius, 1794: 133. Type species by subsequent designation (Curtis, 1833b: pl. 481): Cimex equestris Linnaeus, 1758.
Lyginus Rafinesque, 1815: 119. Unnecessary new name for Lygaeus Fabricius, 1794.
Graptolomus Stål, 1868a: 73, 75 (as subgenus of Lygaeus; syn. Reuter, 1885g: 201). Type species by subsequent designation (China, 1943: 236): Lygaeus turcicus Fabricius, 1803, N America.
Eulygaeus Reuter, 1888a: 180. Type species by subsequent designation (Van Duzee, 1917a: 150): Cimex equestris Linnaeus, 1758.