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Seifert, B.; Schultz, R. 2009b. A taxonomic revision of the Formica rufibarbis Fabricius, 1793 group (Hymenoptera: Formicidae). Myrmecological News 12:255-272. PDF

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Seifert, B. 1997a. Formica lusatica n. sp. - a sympatric sibling species of Formica cunicularia and Formica rufibarbis (Hymenoptera, Formicidae). Abhandlungen und Berichte des Naturkundemuseums Görlitz 69(5):3-16. PDF

Seifert, B. 2000a. A taxonomic revision of the ant subgenus Coptoformica Mueller, 1923 (Hymenoptera, Formicidae). Zoosystema 22:517-568. PDF

Seifert, B. 2002. A taxonomic revision of the Formica cinerea group (Hymenoptera: Formicidae). Abhandlungen und Berichte des Naturkundemuseums Görlitz 74(2):245-272. PDF

Seifert, B. 2004. The "Black Bog Ant" Formica picea Nylander, 1846 - a species different from Formica candida Smith, 1878 (Hymenoptera: Formicidae). Myrmecologische Nachrichten 6:29-38. PDF

Seifert, B. 2021. A taxonomic revision of the Palaearctic members of the Formica rufa group (Hymenoptera: Formicidae) – the famous mound-building red wood ants. Myrmecological News 31:133-179. 10.25849/myrmecol.news_031:133 PDF

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Radchenko, A. G.; Perkovsky, E. E. 2021. [Formica ribbeckei sp. nov. attributed to Radchenko & Perkovsky]. Pp. 240-244 in: Radchenko, A. G.; Perkovsky, E. E.; Vasilenko, D. V. 2021. Formica species (Hymenoptera, Formicidae, Formicinae) in late Eocene Rovno amber. Journal of Hymenoptera Research 82:237-251. 10.3897/jhr.82.64599 PDF

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Letendre, M.; Huot, L. 1972. Considérations préliminaires en vue de la revision taxonomique des fourmis du groupe microgyna, genre Formica (Hymenoptera: Formicidae). Annales de la Société Entomologique du Québec 17:117-132. PDF

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Francoeur, A. 1973. Révision taxonomique des espèces néarctiques du groupe fusca, genre Formica (Formicidae, Hymenoptera). Mémoires de la Société Entomologique du Québec 3:1-316. PDF

Francoeur, A. 1975 ("1974"). Notes for a revision of the ant genus Formica. 1. New identifications and synonymies for some nearctic specimens from Emery, Forel and Mayr collections. Entomological News 85:257-264. PDF

Espadaler, X.; Gómez, C. 2000. Formica dusmeti Emery, 1909, an Iberian endemic ant species: description of the male and distribution (Hymenoptera: Formicidae). Annales Zoologici (Warsaw) 50:39-41. PDF

Chang, Y.-D.; He, D.-H. 2002a. Taxonomic study of genus Formica L. from northwest China with descriptions of nine new species and four new records (Hymenoptera: Formicidae: Formicinae). [In Chinese.]. Zoological Research 23:49-60. PDF

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Notes: Formica aquilonia

Pérez, C. 1902. Contribution a l'étude des métamorphoses. Bulletin Scientifique de la France et de la Belgique 37:195-427.

Notes: Formica rufa development

Snyder, L. E. 1992. The genetics of social behavior in a polygynous ant. Naturwissenschaften 79:525-527. PDF

Snyder, L. E. 1993. Non-random behavioural interactions among genetic subgroups in a polygynous ant. Animal Behavior 46:431-439.

Théobald, N. 1935. [New species Formica pitoni attributed to Théobald]. Pp. 82-83 in: Piton, L.; Théobald, N. 1935. La faune entomologique des gisements Mio-Pliocènes du Massif Central. Revue des Sciences Naturelles d'Auvergne (n.s.)1:65-104. PDF

Théobald, N. 1935c. [New species Formica maculipennis attributed to Théobald]. P. 91 in: Piton, L.; Théobald, N. 1935. La faune entomologique des gisements Mio-Pliocènes du Massif Central. Revue des Sciences Naturelles d'Auvergne (n.s.)1:65-104. PDF

Ride, W. D. L.; Taylor, R. W. 1973. Formica maxima Moore, 1842 (Insecta, Hymenoptera): proposed suppression under the plenary powers in accordance with article 23(a-b). Z.N.(S.)2023. Bulletin of Zoological Nomenclature 30:58-60. PDF

Radchenko, A. G. 2007. The ants (Hymenoptera, Formicidae) in the collection of William Nylander. Fragmenta Faunistica (Warsaw) 50:27-41. PDF