added Reviewed
Sonan, J. 1940. M. Yanagihara's collection from Daito-Islands, Okinawa: Hymenoptera. Transactions of the Natural History Society of Formosa 30:369-375. PDF

Notes: Formicidae p. 375.

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Sokolowski, A.; Wisniewski, J. 1978 ("1977"). Mikroteratologische morphologische Veränderungen der Ameisenarbeiterinnen aus der Formica rufa gruppe (Hym., Formicidae). Bulletin de la Société des Amis des Sciences et des Lettres de Poznan. Série D. Sciences Biologiques 17:227-234. PDF
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Somfai, E. 1959. Hangya alkatúak Formicoidea. Magyarország Allatvilága 43:1-79.
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Snyder, T. E.; Graf, J. E.; Smith, M. R. 1961. William M. Mann. 1886-1960. Proceedings of the Entomological Society of Washington 63:68-73.
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Snodgrass, R. E. 1910. The thorax of the Hymenoptera. Proceedings of the United States National Museum 39:37-91.
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Snodgrass, R. E. 1941. The male genitalia of Hymenoptera. Smithsonian Miscellaneous Collections 99(14):1-86.
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Quintero, D.; Aiello, A. (eds.) 1992. Insects of Panama and Mesoamerica: selected studies. Oxford: Oxford University Press, xxii + 692 pp.
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Snelling, R. R.; George, C. D. 1979. The taxonomy, distribution and ecology of California desert ants. Report to California Desert Plan Program, Bureau of Land Management. Riverside: U.S. Dept. Interior, 335 + 89 pp.

Notes: Copies of this work were sent to "selected institutional and personal research libraries".

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Snelling, R. R.; Hunt, J. H. 1976 ("1975"). The ants of Chile (Hymenoptera: Formicidae). Revista Chilena de Entomología 9:63-129. PDF
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Snelling, R. R. 1982b. A revision of the honey ants, genus Myrmecocystus, first supplement (Hymenoptera: Formicidae). Bulletin of the Southern California Academy of Sciences 81:69-86. PDF
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Snelling, R. R. 1992b. A newly adventive ant of the genus Pheidole in southern California (Hymenoptera: Formicidae). Bulletin of the Southern California Academy of Sciences 91:121-125. PDF
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