AntCat
Rettenmeyer, C. W. 1963. Behavioral studies of army ants. University of Kansas Science Bulletin 44:281-465.
Rettenmeyer, C. W. 1974. Description of the queen and male with some biological notes on the army ant, Eciton rapax. Pp. 291-302 in: Beard, R. L. (ed.) 1974. Connecticut Entomological Society 25th Anniversary Memoirs. New Haven: Connecticut Entomological Society, 322 pp.
Rettenmeyer, C. W. 1983. Checklist of army ants (arrieras) (Formicidae: Ecitoninae). P. 650 in: Janzen, D. H. (ed.) 1983. Costa Rican natural history. Chicago: University of Chicago Press, xi + 816 pp.
Rettenmeyer, C. W.; Chadab-Crepet, R.; Naumann, M. G.; Morales, L. 1983. Comparative foraging by neotropical army ants. Pp. 59-73 in: Jaisson, P. (ed.) 1983. Social insects in the tropics. Volume 2. Paris: Université Paris-Nord, 252 pp.
Rettenmeyer, C. W.; Watkins, J. F., II 1978. Polygyny and monogyny in army ants (Hymenoptera: Formicidae). Journal of the Kansas Entomological Society 51:581-591.
Retzius, A. J. 1783. Caroli de Geer. Genera et species insectorum e generosissimi auctoris scriptis extraxit, digessit, Latine quoad partem reddidit, et terminologiam insectorum Linneanam addidit. Lipsiae [= Leipzig]: Cruse, 220 pp. PDF
Reuter, O. M. 1904 ("1902-03"). Lasius alienus Först., funnen i Finland. Meddelanden af Societas pro Fauna et Flora Fennica 29:120-121. PDF
Reyes López, J.; Luque García, G. 2001. Nuevos datos sobre el género Cardiocondyla (Hym., Formicidae) en Andalucía (en el Sur de la Península Ibérica). Boletín de la Asociación Española de Entomologia 25(3/4):125-126.
Reyes-López, J. L.; Carpintero-Ortega, S. 2013. Descripción de Temnothorax bejaraniensis nov. sp. (Hymenoptera, Formicidae), una nueva especie para la península Ibérica. Boletín de la Sociedad Entomológica Aragonesa 52:23-28. PDF
Reyes, J. L. 1985. Descripción de Messor celiae nov. sp. (Hym., Formicidae). Boletín de la Asociación Española de Entomologia 9:255-261. PDF
Reyes, J. L. 2005. Inventario de la colección de hormigas (Hymenoptera: Formicidae) del Centro Oriental de Ecosistemas y Biodiversidad, Santiago de Cuba, Cuba. Boletín de la Sociedad Entomológica Aragonesa 36:279-283. PDF
Reyes, J. L.; Espadaler, X.; Rodriguez, A. 1987. Descripción de Goniomma baeticum nov. sp. (Hym., Formicidae). EOS. Revista Española de Entomología 63:269-276. PDF
Reyes, J. L.; Porras Castillo, A. 1985 ("1984"). Alar biometry in the taxonomy of the species Goniomma hispanicum and G. baeticum. Insectes Sociaux 31:473-475.
Reyes, J. L.; Rodriguez, A. 1987. [Untitled. Goniomma baeticum, Reyes y Rodríguez, nov. sp.]. Pp. 269-272 in: Reyes, J. L.; Espadaler, X.; Rodriguez, A. 1987. Descripción de Goniomma baeticum nov. sp. (Hym., Formicidae). EOS. Revista Española de Entomología 63:269-276. PDF
Reyes, J.; Espadaler, X. 2005. Tres nuevas especies foráneas de hormigas para la Península Ibérica (Hymenoptera, Formicidae). Boletín de la Sociedad Entomológica Aragonesa 36:263-265. PDF
Reynolds, R. E. 2011. The incredible shrinking Pliocene, and Abstracts of Proceedings: the 2011 Desert Symposium. Fullerton: California State University Desert Studies Consortium, 136 pp.
Reza, A. 1925. Recursos alimentícios de México de origen animal poco conocidos. Memorias y Revista de la Sociedad Científica "Antonio Alzate" 44:1-22. PDF
Reznikova, Z. I. 1980. Stability of the structure of multispecific associations of steppe ants in different natural zones. [In Russian.]. Trudy Biologicheskogo Instituta (Novosibirsk) 40:116-130.

Notes: Signed for printing ("podpisano k pechati") 19 December 1979. Title page dated 1980.

Reznikova, Z. I.; Samoshilova, N. M. 1981a. The role of ants as predators in steppe biocenoses. [In Russian.]. Ekologiya (Moscow) 12(1):69-75.

Notes: Date signed for printing ("podpisano k pechati"). Translated in Sov. J. Ecol. 12:55-60. See Reznikova & Samoshilova (1981b).

Reznikova, Z. I.; Samoshilova, N. M. 1981b. The role of ants as predators in steppe biocenoses. Soviet Journal of Ecology 12:55-60.

Notes: English translation of Reznikova & Samoshilova (1981a).

Reznikova, Z. I.; Shillerova, O. A. 1979. Ecology and behavior of Formica uralensis in the dry steppes of Tuva. [In Russian.]. Voprosy Ekologii. Novosibirskii Gosudarstvennyi Universitet 5:112-131.
Rhoades, R. B. 1977. Medical aspects of the imported fire ant. Gainesville: University of Florida Press, 75 pp.
Ribas, C. R.; Schoereder, J. H. 2004. Determining factors of arboreal ant mosaics in cerrado vegetation (Hymenoptera: Formicidae). Sociobiology 44:49-68.
Rice, H. M. A. 1947. Geology and mineral deposits of the Princeton map-area, British Columbia. Geological Survey of Canada. Memoirs 243:1-136.

Notes: Page 31: ants (Formicidae; not further identified), as fossils in Princeton sediments of Eocene or Oligocene age.

Richards, O. W. 1935. Notes on the nomenclature of the Aculeate Hymenoptera, with special reference to the British genera and species. Transactions of the Entomological Society of London 83:143-176.
Richards, O. W. 1956. Hymenoptera. Introduction and key to families. Handbooks for the Identification of British Insects 6(1):1-94.
Richards, O. W. 1959. Lasius brunneus (Latr.) (Hym., Formicidae) and other ants, in Buckinghamshire. Entomologist's Monthly Magazine 95:83.
Richards, O. W. 1971. The thoracic spiracles and some associated structures in the Hymenoptera and their significance in classification, especially of the Aculeata. Pp. 1-13 in: Asahina, S. , et al. (eds.) 1971. Entomological essays to commemorate the retirement of Professor K. Yasumatsu. Tokyo: Hokuryukan Publishing Co., vi + 389 pp.
Richards, O. W. 1977. Hymenoptera. Introduction and key to families. Handbooks for the Identification of British Insects 6(1)(2nd edn.):1-100.
Richardson, J.; Gray, J. E. (eds.) 1846. The zoology of the voyage of H.M.S. Erebus & Terror, under the command of Captain Sir James Clark Ross, R.N., F.R.S., during the years 1839 to 1843. Vol. 2 [part]. London: E. W. Janson, pp. 1-24, pl. 1-6.