Carebara vidua valid South Africa. Afrotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Carebara vidua abdominalis synonym of Carebara vidua Kenya. Afrotropic.
Santschi, F. 1912d. Deux nouveaux Carebara africains (Hym. Formicidae). Bulletin de la Société Entomologique de France 1912:284-286.   128271

Carebara vidua dux synonym of Carebara vidua South Africa. Afrotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Carebara vidua fur valid Congo. Afrotropic.
Santschi, F. 1928f. Descriptions de nouvelles fourmis éthiopiennes (suite). Revue de Zoologie et de Botanique Africaines 16:191-213.   128377