Genus Namacus Amyot and Serville

1843 Namacus Amyot and Serville, 242. Type species: Namacus transvirgatus Amyot and Serville, 1843 . By monotypy. 1860b Dirnalus Stål, 454. Type species: Dirnalus prominulus Stål, 1860b . By monotypy.

Namacus transvirgatus Amyot and Serville

1843 Namacus transvirgatus Amyot and Serville, 243 [new species: Guyana]— Berg 1892, 151 [Argentina: Paraná] — Pennington 1920, 14 [Argentina: Chaco] — Quintanilla et al. 1976, 119 [Argentina: Corrientes: Dep. Capital] — Packauskas 2010, 131 [Argentina].