Azteca instabilis valid Panama. Neotropic.
Smith, F. 1862b. Descriptions of new species of aculeate Hymenoptera, collected at Panama by R. W. Stretch, Esq., with a list of described species, and the various localities where they have previously occurred. Transactions of the Entomological Society of London (3)1:29-44.   128696

Azteca instabilis major synonym of Azteca instabilis Panama. Neotropic.
Forel, A. 1899h. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:105-136.   142485

Azteca instabilis mexicana synonym of Azteca sericea Mexico. Neotropic.
Emery, C. 1896a. Formiche raccolte dal dott. E. Festa nei pressi del golfo di Darien. Bollettino dei Musei di Zoologia ed Anatomia Comparata della Reale Università di Torino 11(229):1-4.   124605