Oxycarenus Fieber, 1837: 339. New name for Stenogaster Hahn, 1835.
Stenogaster Hahn, 1835b: 15 (junior homonym of Stenogaster Guérin, 1831, Hymenoptera). Type species by monotypy: Stenogaster tardus Hahn, 1835 (= Acanthia lavaterae Fabricius, 1787).
Maruthas Distant, 1911a: 44 (syn. Horváth, 1912a: 609). Type species by original designation: Maruthas saniosus Distant, 1911, Sri Lanka.