Leptomyrmex erythrocephalus valid Australia (New South Wales). Australasia.
Fabricius, J. C. 1775. Systema entomologiae, sistens insectorum classes, ordines, genera, species adiectis synonymis, locis, descriptionibus, observationibus. Flensburgi et Lipsiae [= Flensburg and Leipzig]: Korte, 832 pp.   124865

Leptomyrmex erythrocephalus basirufus synonym of Leptomyrmex rufithorax Australia (Queensland). Australasia.
Wheeler, W. M. 1934c. A second revision of the ants of the genus Leptomyrmex Mayr. Bulletin of the Museum of Comparative Zoology 77:69-118.   130252

Leptomyrmex erythrocephalus brunneiceps synonym of Leptomyrmex cnemidatus Australia (New South Wales). Australasia.
Wheeler, W. M. 1934c. A second revision of the ants of the genus Leptomyrmex Mayr. Bulletin of the Museum of Comparative Zoology 77:69-118.   130252

Leptomyrmex erythrocephalus clarki synonym of Leptomyrmex erythrocephalus Australia (Queensland). Australasia.
Wheeler, W. M. 1934c. A second revision of the ants of the genus Leptomyrmex Mayr. Bulletin of the Museum of Comparative Zoology 77:69-118.   130252

Leptomyrmex erythrocephalus cnemidatus obsolete combination Australia (New South Wales). Australasia.
Wheeler, W. M. 1915e. The Australian honey-ants of the genus Leptomyrmex Mayr. Proceedings of the American Academy of Arts and Sciences 51:255-286.   130092

Leptomyrmex erythrocephalus decipiens synonym of Leptomyrmex varians Australia (Queensland). Australasia.
Wheeler, W. M. 1915e. The Australian honey-ants of the genus Leptomyrmex Mayr. Proceedings of the American Academy of Arts and Sciences 51:255-286.   130092

Leptomyrmex erythrocephalus mandibularis synonym of Leptomyrmex erythrocephalus Australia (New South Wales). Australasia.
Wheeler, W. M. 1915e. The Australian honey-ants of the genus Leptomyrmex Mayr. Proceedings of the American Academy of Arts and Sciences 51:255-286.   130092

Leptomyrmex erythrocephalus rufithorax obsolete combination Australia (Queensland). Australasia.
Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Arkiv för Zoologi 9(16):1-119.   125258

Leptomyrmex erythrocephalus unctus synonym of Leptomyrmex erythrocephalus Australia (Australian Capital Territory). Australasia.
Wheeler, W. M. 1934c. A second revision of the ants of the genus Leptomyrmex Mayr. Bulletin of the Museum of Comparative Zoology 77:69-118.   130252

Leptomyrmex erythrocephalus venustus synonym of Leptomyrmex cnemidatus Australia (New South Wales). Australasia.
Wheeler, W. M. 1934c. A second revision of the ants of the genus Leptomyrmex Mayr. Bulletin of the Museum of Comparative Zoology 77:69-118.   130252