Apterostigma urichii valid Trinidad. Neotropic.
Forel, A. 1893h. Note sur les Attini. Annales de la Société Entomologique de Belgique 37:586-607.   125055

Apterostigma urichii guianense synonym of Apterostigma urichii Guyana. Neotropic.
Weber, N. A. 1937. The biology of the fungus-growing ants. Part l. New forms. Revista de Entomologia (Rio de Janeiro) 7:378-409.   129700

Apterostigma urichii nitidum synonym of Apterostigma urichii Guyana. Neotropic.
Weber, N. A. 1937. The biology of the fungus-growing ants. Part l. New forms. Revista de Entomologia (Rio de Janeiro) 7:378-409.   129700