Polyrhachis laboriosa valid Sierra Leone. Afrotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Polyrhachis laboriosa architecta synonym of Polyrhachis laboriosa Democratic Republic of the Congo. Afrotropic.
Santschi, F. 1924b. Descriptions de nouveaux Formicides africains et notes diverses. II. Revue Zoologique Africaine (Brussels) 12:195-224.   128351