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Snelling, R. R.; Cover, S. P. 1992. Description of a new Proceratium from Mexico (Hymenoptera: Formicidae). Psyche (Cambridge) 99:49-53. PDF

Sorger, D. M.; Zettel, H. 2011. On the ants (Hymenoptera: Formicidae) of the Philippine Islands: V. The genus Odontomachus Latreille, 1804. Myrmecological News 14:141-163. PDF

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Sonobe, R.; Dlussky, G. M. 1977. On two ant species of the genus Formica (Hymenoptera, Formicidae) from Japan. Kontyû 45:23-25. PDF

Soudek, S. 1922b. Mravenci. Soustava, zemepisné rozsírení, oekologie a urcovací klíc mravencu zijících na území Ceskoslovenské republiky. Praha: Ceskoslovenská Spolecnost Entomologická, 100 pp. PDF

Sosa-Calvo, J.; Brady, S. G.; Schultz, T. R. 2009. The gyne of the enigmatic fungus-farming ant species Mycetosoritis explicata. Journal of Hymenoptera Research 18:113-120. PDF

Snelling, R. R. 1973a. Two ant genera new to the United States (Hymenoptera: Formicidae). Contributions in Science (Los Angeles) 236:1-8. PDF

Snelling, R. R. 1979a. Three new species of the Palaeotropical arboreal ant genus Cataulacus (Hymenoptera: Formicidae). Contributions in Science (Los Angeles) 315:1-8. PDF

Snelling, R. R. 1966. The female of Eucryptocerus placidus (F. Smith) (Hymenoptera: Formicidae). Bulletin of the Southern California Academy of Sciences 65:37-40. PDF

Smith, D. R.; Lavigne, R. J. 1973. Two new species of ants of the genera Tapinoma Foerster and Paratrechina Motschoulsky from Puerto Rico (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 75:181-187. PDF

Smith, M. R. 1953f. A new Romblonella from Palau, and the first description of a Romblonella male (Hymenoptera, Formicidae). Journal of the New York Entomological Society 61:163-167. PDF

Smith, M. R. 1954a. A new name for Martia Forel (Hymenoptera). Bulletin of the Brooklyn Entomological Society 49:17. PDF

Smith, M. R. 1962b. A new species of exotic Ponera from North Carolina (Hymenoptera, Formicidae). Acta Hymenopterologica 1:377-382. PDF

Smith, M. R. 1963c. A new species of Aphaenogaster (Attomyrma) from the western United States (Hymenoptera: Formicidae). Journal of the New York Entomological Society 71:244-246. PDF

Smith, M. R. 1947c. A new and extraordinary Pheidole from New Guinea (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 49:73-75. PDF

Smith, M. R. 1947d. A new species of Metapone Forel from New Guinea (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 49:75-77. PDF

Smith, M. R. 1947e. A new species of Megalomyrmex from Barro Colorado Island, Canal Zone (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 49:101-103. PDF

Smith, M. R. 1947h. Notes on Pheidole (Decapheidole) and the description of a new species (Hymenoptera: Formicidae). Revista de Entomologia (Rio de Janeiro) 18:193-196. PDF

Smith, M. R. 1949b. A new species of Probolomyrmex from Barro Colorado Island, Canal Zone (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 51:38-40. PDF

Smith, M. R. 1949d. A new species of Camponotus, subg. Colobopsis from Mexico (Hymenoptera: Formicidae). Journal of the New York Entomological Society 57:177-181. PDF

Smith, M. R. 1949e. A new Leptothorax commonly inhabiting the canyon live oak of California (Hymenoptera: Formicidae). Psyche (Cambridge) 56:112-115. PDF

Smith, M. R. 1951b. A new species of Stenamma from North Carolina (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 53:156-158. PDF

Smith, M. R. 1953c. A new species of Probolomyrmex, and the first description of a Probolomyrmex male (Hymenoptera, Formicidae). Journal of the New York Entomological Society 61:127-129. PDF

Smith, M. R. 1953d. A new Metapone from the Micronesian Islands (Hymenoptera, Formicidae). Journal of the New York Entomological Society 61:135-137. PDF

Smith, M. R. 1953e. A new Pheidole (subg. Ceratopheidole) from Utah (Hymenoptera: Formicidae). Journal of the New York Entomological Society 61:143-146. PDF

Smith, M. R. 1942a. A new, apparently parasitic ant. Proceedings of the Entomological Society of Washington 44:59-61. PDF

Smith, M. R. 1943d. The first record of Leptothorax, subgenus Goniothorax Emery, in the United States, with the description of a new species. Proceedings of the Entomological Society of Washington 45:154-156. PDF

Smith, M. R. 1943f. A new male legionary ant from the Mojave Desert, California. Lloydia 6:196-197. PDF

Smith, M. R. 1941. Two new species of Aphaenogaster (Hymenoptera: Formicidae). Great Basin Naturalist 2:118-121. PDF