• Emery, 1897: 571 (m.); Stitz, 1912: 507 (m.); Lucky & Ward, 2010: 36 (eq.)
• Combination in Leptomyrmex: Emery, 1897: 571
• Status as species: Smith, 1863a: 12; Mayr, 1863a: 415; Smith, 1871a: 307; Dalla Torre, 1893: 196; Emery, 1897: 571; Emery, 1911f: 532; Emery, 1911g: 249; Stitz, 1912: 507; Emery, 1913a: 16; Viehmeyer, 1914a: 113; Viehmeyer, 1914c: 530; Wheeler, 1915e: 275; Karavaiev, 1926d: 432; Donisthorpe, 1932c: 452; Wheeler, 1934c: 113; Donisthorpe, 1943e: 454; Chapman & Capco, 1951: 186; Baroni Urbani & Wilson, 1987: 2; Shattuck, 1994: 117; Bolton, 1995b: 234; Lucky & Ward, 2010: 34 (redescription).
• Senior synonym of Leptomyrmex fragilis femorata: Lucky & Ward, 2010: 34.
• Senior synonym of Leptomyrmex gracillimus: Baroni Urbani & Wilson, 1987: 2; Shattuck, 1994: 117; Lucky & Ward, 2010: 34.
• Senior synonym of Leptomyrmex fragilis maculata: Lucky & Ward, 2010: 34.
• Senior synonym of Leptomyrmex wheeleri: Lucky & Ward, 2010: 34.

Junior synonyms

• Leptomyrmex fragilis femorata Santschi, 1932
• Leptomyrmex fragilis maculata Stitz, 1938
• Leptomyrmex gracillimus Wheeler, 1934
• Leptomyrmex wheeleri Donisthorpe, 1948

Obsolete combinations

• Formica fragilis

Citations

• Baroni Urbani, C.; Wilson, E. O. 1987. The fossil members of the ant tribe Leptomyrmecini (Hymenoptera: Formicidae). Psyche (Cambridge) 94:1-8. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Chapman, J. W.; Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monographs of the Institute of Science and Technology. Manila 1:1-327. PDF
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• Donisthorpe, H. 1932c. On the identity of Smith's types of Formicidae (Hymenoptera) collected by Alfred Russell Wallace in the Malay Archipelago, with descriptions of two new species. Annals and Magazine of Natural History (10)10:441-476. PDF
• Donisthorpe, H. 1943e. The ants (Hym., Formicidae) of Waigeu Island, North Dutch New Guinea. Annals and Magazine of Natural History (11)10:433-475. PDF
• Emery, C. 1897. Viaggio di Lamberto Loria nella Papuasia orientale. XVIII. Formiche raccolte nella Nuova Guinea dal Dott. Lamberto Loria. Dummy reference. Annali del Museo Civico di Storia Naturale 38[=(2)18]:546-594.
• Emery, C. 1911f. Formicidae. Résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée en 1903 sous les auspices de Arthur Wichmann. Nova Guinea 5:531-539. PDF
• Emery, C. 1911g. Formicidae. Résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée en 1907 et 1909 sous les auspices de Dr. H. A. Lorentz. Nova Guinea 9:249-259. PDF
• Emery, C. 1913a ("1912"). Hymenoptera. Fam. Formicidae. Subfam. Dolichoderinae. Genera Insectorum 137:1-50. PDF
• Karavaiev, V. 1926d. Ameisen aus dem Indo-Australischen Gebiet. Treubia 8:413-445. PDF
• Lucky, A.; Ward, P. S. 2010. Taxonomic revision of the ant genus Leptomyrmex Mayr (Hymenoptera: Formicidae). Zootaxa 2688:1-67. PDF
• Mayr, G. 1863a. Formicidarum index synonymicus. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 13:385-460. PDF
• Shattuck, S. O. 1994. Taxonomic catalog of the ant subfamilies Aneuretinae and Dolichoderinae (Hymenoptera: Formicidae). University of California Publications in Entomology 112:i-xix, 1-241. PDF
• Smith, F. 1859a. Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the islands of Aru and Key. [part]. Journal and Proceedings of the Linnean Society of London. Zoology 3:132-158. PDF
• Smith, F. 1863a. Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the islands of Mysol, Ceram, Waigiou, Bouru and Timor. Journal and Proceedings of the Linnean Society of London. Zoology 7:6-48. PDF
• Smith, F. 1871a. A catalogue of the Aculeate Hymenoptera and Ichneumonidae of India and the Eastern Archipelago. With introductory remarks by A. R. Wallace. [part]. Journal of the Linnean Society of London. Zoology 11:285-348. PDF
• Stitz, H. 1912. Ameisen aus Ceram und Neu-Guinea. Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1912:498-514. PDF
• Viehmeyer, H. 1914a. Ameisen aus Perak, Bali und Ceram (Hym.) (Freiburger Molukken-Expedition), gesammelt von E. Streesemann. Entomologische Mitteilungen. Berlin-Dahlem 3:112-116. PDF
• Viehmeyer, H. 1914c. Papuanische Ameisen. Deutsche Entomologische Zeitschrift 1914:515-535. PDF
• 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. PDF
• 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. PDF