Ronchetti, G. 1978a. Distribution of ants of the Formica rufa group in Europe (5 maps). Distribution des fourmis du groupe Formica rufa en Europe (5 cartes). Verbreitung der Ameisen der Gruppe Formica rufa in Europa (5 Karten). Distribuzione delle formiche del gruppo Formica rufa in Europa (5 carte). Pavia: Istituto di Entomologia dell'Università di Pavia, 11 pp., 5 maps.

Notes: Presented at a meeting of the Organisation Internationale de Lutte Biologique contre les Animaux et les Plants Nuisible, Section Regionale Ouest Paléarctique, in Varenna, August 28 - September 2 1978.

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Reichensperger, A. 1917. Beobachtungen an Ameisen. II. Ein Beitrag zur Pseudogynen-Theorie. Zeitschrift für Wissenschaftliche Insektenbiologie 13:145-152.
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Reichensperger, A. 1922. Myrmekologische Beobachtungen aus Luxemburg. Bulletin Mensuel. Société des Naturalistes Luxembourgeois (n.s.)16:105-115.
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Reid, J. A. 1941. The thorax of the wingless and short-winged Hymenoptera. Transactions of the Royal Entomological Society of London 91:367-446. PDF
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Rettenmeyer, C. W. 1963. Behavioral studies of army ants. University of Kansas Science Bulletin 44:281-465.
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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.
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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.
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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.

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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).

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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.
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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.

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Richards, O. W. 1956. Hymenoptera. Introduction and key to families. Handbooks for the Identification of British Insects 6(1):1-94.
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Richards, O. W. 1977. Hymenoptera. Introduction and key to families. Handbooks for the Identification of British Insects 6(1)(2nd edn.):1-100.
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Raqué, K.-F. 1994. Die Ameisenfauna der Sandhausener Dünen. Beihefte zu den Veröffentlichungen für Naturschutz und Landschaftspflege in Baden-Württemberg 80:241-254.

Notes: Not seen. Cited in Zoological Record, volume 132.

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Räsänen, V. 1915. Stridulationsapparate bei Ameisen besonders bei Formicidae. Acta Societatis pro Fauna et Flora Fennica 40(8):1-19.
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