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Reichensperger, A. 1934. Beitrag zur Kenntnis von Eciton lucanoides Em. Zoologischer Anzeiger 106:240-245. PDF
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Reichensperger, A. 1939. Beiträge zur Kenntnis der Myrmecophilenfauna Costa Ricas und Brasiliens VII, nebst Beschreibung der Königin von Eciton (Acamatus) pilosum. Zoologische Jahrbücher. Abteilung für Systematik, Ökologie und Geographie der Tiere 73:261-300. PDF
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Reichensperger, A. 1912 ("1911"). Die Ameisenfauna der Rheinprovinz nebst Angaben über einige Ameisengäste. Berichte über die Versammlungen des Botanischen und des Zoologischen Vereins für Rheinland-Westfalen 68:114-130.

Notes: Not seen. Cited in Stitz (1939) and Rohe & Heller (1990b).

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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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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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Reichensperger, A. 1926. Das Weibchen von Eciton mattogrossensis Luederw. (Hym.). Entomologische Mitteilungen. Berlin-Dahlem 15:401-404. PDF
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Rees, D. M.; Grundmann, A. W. 1940. A preliminary list of the ants of Utah. Bulletin of the University of Utah. Biological Series 31(5):3-12.
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Rasnitsyn, A. P. 1975. Hymenoptera Apocrita of Mesozoic. [In Russian.]. Trudy Paleontologicheskogo Instituta. Akademiya Nauk SSSR 147:1-134.

Notes: Date signed for printing ("podpisano k pechati").

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Rasnitsyn, A. P. 1980. Origin and evolution of Hymenoptera. [In Russian.]. Trudy Paleontologicheskogo Instituta. Akademiya Nauk SSSR 174:1-192.

Notes: Date signed for printing ("podpisano k pechati").

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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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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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Randuska, P. 1995. Formikofauna SPR Boky. Entomofauna Carpathica 7:20-26.
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Ramdas Menon, M. G.; Punjabi, G. M. 1961 ("1960"). Some observations and new records of ants from Delhi. Indian Journal of Entomology 22:133-135.
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