Seppä, P.; Sundström, L.; Punttila, P. 1996 ("1995"). Facultative polygyny and habitat succession in boreal ants. Biological Journal of the Linnean Society 56:533-551.
Seppä, P.; Walin, L. 1996. Sociogenetic organization of the red ant Myrmica rubra. Behavioral Ecology and Sociobiology 38:207-217.
Sergi, G. 1892. Ricerche su alcuni organi de senso nelle antenne delle formiche. Bullettino della Società Entomologica Italiana 24:18-25. PDF
Serna, F. J.; Mackay, W. P.; Vergara-Navarro, E. V. 2019. Género Procryptocerus. Capítulo 31. Pp. 1055-1067 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF
Serna, F. J.; Suárez, D.; Pérez, A.L. 2019. Género Pheidole. Capítulo 30. Pp. 917-1053 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF
Seyma, F. A. 1972. Some patterns of spatial distribution of worker ants in biocenoses. [In Russian.]. Zoologicheskii Zhurnal 51:1322-1328.

Notes: September 1972 issue. Date signed for printing ("podpisano k pechati"): 1 September 1972.

Shapley, H. 1920a. Note on pterergates in the Californian harvester ant. Psyche (Cambridge) 27:72-74. PDF

Notes: Stamp date in MCZ library: 1920.09.18.

Shapley, H. 1920b. Preliminary report on pterergates in Pogonomyrmex californicus. Proceedings of the National Academy of Sciences of the United States of America 6:687-690. PDF
Sharaf, M. R. 2007b. [Untitled. New species attributed to Sharaf.]. Pp. 237-244 in: Fadl, H. H.; Bakr, R. F.; Badawy, R. M.; Sharaf, M. R. 2007. Six new species of ants (Insecta: Hymenoptera: Formicidae) from Egypt. Proceedings of the Second International Conference of the Entomological Society of Egypt 1:235-249. PDF