Diacamma geometricum, Taxa Only, Exact Match: 3 Treatments

Diacamma geometricum subsp. versicolor	Emery, C., 1893, Voyage de M. E. Simon à l'île de Ceylan (janvier - février 1892). 3 e Mémoire. Formicides., Annales de la Société Entomologique de France 62, pp. 239-258 : 4	4
Diacamma geometricum subsp. longiceps	Eguchi, Katsuyuki, Viet, Bui Tuan & Yamane, Seiki, 2014, Generic Synopsis of the Formicidae of Vietnam (Insecta: Hymenoptera), Part II — Cerapachyinae, Aenictinae, Dorylinae, Leptanillinae, Amblyoponinae, Ponerinae, Ectatomminae and Proceratiinae, Zootaxa 3860 (1), pp. 1-46 : 30-31	30-31
Diacamma geometricum	Hamer, Matthew T., Lee, Jonathan Hon Chung, Tse, Cheung Yau Leo, Silva, Thiago S. R. & Guénard, Benoit, 2022, Remarkable diversity in a little red dot: a comprehensive checklist of known ant species in Singapore (Hymenoptera: Formicidae) with notes on ecology and taxonomy, Asian Myrmecology (e 015006) 15, pp. 1-152 : 118	118