Prostemma Laporte, 1832: 12. Type species by monotypy: Reduvius guttula Fabricius, 1787.
Postemma Dufour, 1834: 348. Unnecessary new name for Prostemma Laporte, 1832.
Metastemma Amyot & Serville, 1843: 327. Unnecessary new name for Prostemma Laporte, 1832.
Nabis (non Latreille, 1802): Stål, 1873a: 107, 108. Misidentification based on wrong acceptance of Reduvius guttula Fabricius, 1787 as type species.
Poecilta Stål, 1873a: 108 (as subgenus of Nabis). Type species by subsequent designation (China, 1941: 130): Metastemma perpulchra Stål, 1855, Afrotropical Region.