Tetramorium pulchellum valid New Guinea (Papua New Guinea). Australasia.
Emery, C. 1897c. Formicidarum species novae vel minus cognitae in collectione Musaei Nationalis Hungarici quas in Nova-Guinea, colonia germanica, collegit L. Biró. Természetrajzi Füzetek 20:571-599.   124619

Tetramorium pulchellum homonym replaced by Tetramorium mutatum Solomon Is (Malaita I.). Australasia.
Mann, W. M. 1919. The ants of the British Solomon Islands. Bulletin of the Museum of Comparative Zoology 63:273-391.   127071