Rothney, G. A. J. 1890. Notes on Indian ants. Journal of the Bombay Natural History Society 5:38-64. PDF

Notes: Reprint of Rothney (1889).

Rothney, G. A. J. 1903. The aculeate Hymenoptera of Barrackpore, Bengal. Transactions of the Entomological Society of London 1903:93-116.
Rotramel, G. L. 1967 ("1966"). The comparative morphology of the male genitalia of ants. [Abstract.]. Proceedings of the North Central Branch. Entomological Society of America 21:96.
Ruíz-Cancino, E.; Coronado-Blanco, J. M. (eds.) 2012. Recursos Naturales. Mexico: Universidad Autónoma de Tamaulipas (Departamento de Fomenta Editorial de UAT), 290 pp. PDF
Rüppell, O.; Heinze, J. 1997. Polymorphismus der Königinnengrösse bei der amerikanischen Ameise Leptothorax rugatulus (Emery). Mitteilungen der Deutschen Gesellschaft für Allgemeine und Angewandte Entomologie 11:153-156.
Russell, J. A.; Moreau, C. S.; Goldman-Huertas, B.; Fujiwara, M.; Lohman, D. J.; Pierce, N. E. 2009. Bacterial gut symbionts are tightly linked with the evolution of herbivory in ants. Proceedings of the National Academy of Sciences of the United States of America 106:21236-21241. PDF
Russell, W. E. 1969 ("1968"). Miscellaneous European ant records (Hym., Formicidae). Entomologist's Monthly Magazine 104:256.
Ruzsky, M. 1896. Verzeichniss der Ameisen des östlichen Russlands und des Uralgebirges. Berliner Entomologische Zeitschrift 41:67-74. PDF
Ruzsky, M. 1902a. Contribution to the ant fauna of the Turgai region. [In Russian.]. Russkoe Entomologicheskoe Obozrenie 2:232-235. PDF
Ruzsky, M. 1902b. Neue Ameisen aus Russland. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 17:469-484. PDF
Ruzsky, M. 1902c. The ants of the vicinity of the Aral Sea. [In Russian.]. Izvestiya Turkestanskago Otdela Imperatorskago Russkago Geograficheskago Obshchestva 3(1):1-24.

Notes: Summary in Zool. Zentralbl. 10:166 (10 March 1903).

Ruzsky, M. 1902d. Material on the ant fauna of the Caucasus and the Crimea. [In Russian.]. Protokoly Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 206(suppl.):1-33. PDF
Ruzsky, M. 1902e. Formicidae. [In Russian.]. Pp. 15-16 in: Unknown 1902. Report on the recorded animal life of Moscow province (No. 4). [In Russian.]. Izvestiya Imperatorskago Obshchestva Lyubitelei Estestvoznaniya Antropologii i Etnografii pri Imperatorskom Moskovskom Universitete 98(4):6-18 [= Dnevnik' Zoologicheskago Otdeleniya Imperatorskago Obshchestva Lyubitelei Estestvoznaniya, Antropologii i Etnografii 3(4):6-18.]. PDF
Ruzsky, M. 1903a. A new species of ant from the Transcaspian region. [In Russian.]. Russkoe Entomologicheskoe Obozrenie 3:36-37. PDF
Ruzsky, M. 1903b. Essay on the myrmecofauna of the Kirghiz steppe. [In Russian.]. Trudy Russkago Entomologicheskago Obshchestva 36:294-316. PDF
Ruzsky, M. 1903c. Ants of the Transbaikalian region. [In Russian.]. Russkoe Entomologicheskoe Obozrenie 3:205-207. PDF
Ruzsky, M. 1904a. On ants from Archangel province. [In Russian.]. Zapiski Imperatorskago Russkago Geograficheskago Obshchestva po Obshchei Geografii 41:287-294. PDF
Ruzsky, M. 1904b. Ants of the Dzungarian Ala Tau. [In Russian.]. Izvestiya Imperatorskago Tomskago Universiteta 30(5th part):1-6.

Notes: Date on cover of volume 30 is 1908, but individual articles were evidently released earlier. Dating of Ruzsky's paper is based on citation in Ruzsky (1905). The paper was apparently intended for publication in volume 24 but does not appear there.

Ruzsky, M. 1905b. The ants of Russia. (Formicariae Imperii Rossici). Systematics, geography and data on the biology of Russian ants. Part I. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 38(4-6):1-800.