Shuckard, W. E. 1841. Differences of neuters in ants. Annals and Magazine of Natural History 7:525-526.

Shyamalanath, S. 1978. Anatomy and histology of some systems in the adult and pupa of the male of the Old World doryline ant Aenictus gracilis Emery (Hymenoptera: Formicidae). [Abstract.]. Dissertation Abstracts International. B. Sciences and Engineering 39:1618.

Shyamalanath, S.; Forbes, J. 1980. Digestive system and associated organs in the adult and pupal male doryline ant Aenictus gracilis Emery (Hymenoptera: Formicidae). Journal of the New York Entomological Society 88:15-28.

Silhavy, V. 1935. Mravenci z okolí Trebíce, záp. Slovenska a Kutné Hory. Veda Prírodní 16:96-97. PDF

Silhavy, V. 1936. Slození mravencí zvíreny hadcové stepi u Mohelna. (Predbezne sdeleni.). Príroda (Brno) 29:95-97.

Silhavy, V. 1938. Mravenci hadcové stepi u Mohelna. Sborník Prírodovedeckého Klubu v Trebíci 2:3-24. PDF

Silhavy, V. 1937a. Muzeme pokládati mravence Lasius flavus var. flavo-myops za samostatnou systematickou jednotku? Casopis Ceskoslovenské Spolecnosti Entomologické 34:59-61. PDF

Silhavy, V. 1939a. Die Ameisenfauna des Bezirkes von Trebíc. Entomologische Rundschau 56:367-370. PDF

Silhavy, V. 1939b. Poznámky k mravencí zvírene dolního toku Oslavy. Entomologické Listy 2:38-39. PDF

Simberloff, D. S.; Wilson, E. O. 1969. Experimental zoogeography of islands: the colonization of empty islands. Ecology 50:278-296.

Simberloff, D. S.; Wilson, E. O. 1970. Experimental zoogeography of islands. A two year record of colonization. Ecology 51:934-937.

Singleton, J. 1971. Male genitalia compared in four species of the ant genus Formica L. Proceedings of the North Dakota Academy of Science 24:18-35.

Skaife, S. H. 1962. The distribution of the Argentine ant Iridomyrmex humilis Mayr. Annals of the Cape Provincial Museums 2:297-298.

Skinner, G. J. 1987. Ants of the British Isles. Shire Natural History Series 21:1-24.

Skott, C. 1970. Myrefaunaen på Laeso. Flora Fauna 76:29-30.

Skott, C. 1971. Nye danske fund af myren Ponera punctatissima Roger (Hym., Formicidae). Entomologiske Meddelelser 39:44-47.

Skott, C. 1973. Nye danske fund af myrerne Stenamma westwoodi Westw. og Myrmecina graminicola Latr. (Hym., Formicidae). Flora Fauna 79:11.

Skwarra, E. 1926. Mitteilung über das Vorkommen einer für Deutschland neuen Ameisenart Formica uralensis Ruzsky in Ostpreussen. Entomologische Mitteilungen. Berlin-Dahlem 15:305-315.

Skwarra, E. 1930. Ameisen und Ameisenpflanzen im Staate Veracruz (Mexiko). Wanderversammlung Deutscher Entomologen 4:160-170.

Skwarra, E. 1929a. Die Ameisenfauna des Zehlaubruches. Beiträge zur Fauna des Zehlau-Hochmoores in Ostpreussen, IV. Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg 66(2):3-174.

Skwarra, E. 1929b. Formica fusca-picea Nyl. als Moorameise. Zoologischer Anzeiger 82:46-55. PDF

Skwarra, E. 1934a. Ökologie der Lebensgemeinschaften mexikanischer Ameisenpflanzen. Zeitschrift für Morphologie und Ökologie der Tiere 29:306-373.

Skwarra, E. 1934b. Ökologische Studien über Ameisen und Ameisenpflanzen in Mexiko. Königsberg: published by author (printer: R. Leupold), 153 pp. PDF

Smith, D. R. 1972. Two species of imported fire ants in the United States (Hymenoptera: Formicidae). United States Department of Agriculture. Cooperative Economic Insect Report 22:103-104.

Smith, D. R. 1983. Obituary. Dr. Marion Russell Smith, 1894-1981. Proceedings of the Entomological Society of Washington 85:628-630.

Smith, D. R. 1991. Ants (Formicidae, Hymenoptera). Pp. 297-309, 633-649 in: Gorham, J. R. (ed.) 1991. Insect and mite pests in food. United States Department of Agriculture. Agriculture Handbook 655:i-vii, 1-767.

Smith, D. R. 1973a. Dr. Marion Russell Smith, a bibliography. Proceedings of the Entomological Society of Washington 75:88-95. PDF

Smith, D. R. 1973b. Notice of name changes in ants and sawflies (Hymenoptera: Formicidae, Tenthredinidae). United States Department of Agriculture. Cooperative Economic Insect Report 23:498.

Smith, E. L. 1970. Evolutionary morphology of the external insect genitalia: 2. Hymenoptera. Annals of the Entomological Society of America 63:1-27.

Smith, F. 1864. Notes on Hymenoptera. Entomologist's Annual 1864:108-117. PDF

Notes: Ants pp. 111-112.