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Francoeur, A. 1981a. Un mâle sans yeux composés de Formica subsericea (Formicidae, Hymenoptera). Naturaliste Canadien (Québec) 108:107-110. PDF
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Espadaler, X.; Riasol Boixart, J. M. 1981. Secretergates de Formica sp.: una morfologia de origen patologico en hormigas. Revista Ibérica de Parasitología 41:539-549. PDF
Emery, C. 1907. Una formica nuova italiana spettante ad un nuovo genere. Rendiconti delle Sessioni della Reale Accademia delle Scienze dell'Istituto di Bologna (n.s.)11:49-51.

Notes: Session of 12 May 1907.

Emery, C. 1915d. Sur le type de Camponotus maculatus (Formica maculata F.) (Hym. Formicidae). Bulletin de la Société Entomologique de France 1915:79-80. PDF
Elton, E. T. G. 1976 ("1975"). Females of Formica rufa L. (Hymenoptera, Formicidae) with enlarged labial glands. Insectes Sociaux 22:405-414.
Dufour, L. 1864. Note sur une nouvelle espèce de fourmi (Formica Vinsonnella). Annales de la Société Entomologique de France (4)4:210. PDF
Dmitrienko, V. K. 1972a. Intraspecific variation of ants of the genus Formica. [In Russian.]. Pp. 78-79 in: Cherepanov, A. I.; Folitarek, S. S.; Maksimov, A. A. , et al. (eds.) 1972. Zoological problems of Siberia (Reports of the fourth Conference of Zoologists of Siberia). [In Russian.]. Novosibirsk: Nauka, 556 pp.

Notes: Date signed for printing ("podpisano k pechati").

Dlussky, G. M. 1967b. Ants of the genus Formica from the Baltic amber. [In Russian.]. Paleontologicheskii Zhurnal 1967(2):80-89. PDF

Notes: Date signed for printing ("podpisano k pechati"). Translated in Paleontol. J. 1(2):69-77. See Dlussky (1967c).

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Crawley, W. C. 1911. Formica fusca, L., var. glebaria, Nyl., a form new to Britain. Entomologist's Record and Journal of Variation 23:96.
Collingwood, C. A.; Agosti, D. 1987. Symposium: taxonomy and zoogeography of Formica rufa species. General discussion. Pp. 71-72 in: Eder, J.; Rembold, H. (eds.) 1987. Chemistry and biology of social insects. München: Verlag J. Peperny, xxxv + 757 pp.
Collingwood, C. A. 1956d. Distribution of ants allied to Formica fusca L. and F. rufa L. in Britain. Entomologist 89:291-294.
Collingwood, C. A. 1965. The distribution of ants (Hymenoptera) of the Formica fusca species group in Europe. P. 446 in: Freeman, P. (ed.) 1965. XIIth International Congress of Entomology, London, 8-16 July, 1964. Proceedings. London: XIIth International Congress of Entomology, 842 pp.
Collingwood, C. A. 1987. Taxonomy and zoogeography of the Formica rufa L. species group. Pp. 65-67 in: Eder, J.; Rembold, H. (eds.) 1987. Chemistry and biology of social insects. München: Verlag J. Peperny, xxxv + 757 pp.
Cole, A. C., Jr. 1932c. Nests of the ant, Formica subpolita Mayr, in the western United States. Ohio Journal of Science 32:247-248. PDF
Cole, A. C., Jr. 1943a ("1942"). Synonyms of Formica difficilis Emery (Hymenoptera: Formicidae). Annals of the Entomological Society of America 35:389. PDF
Cole, A. C., Jr. 1943b. A new subspecies of Formica moki Wheeler (Hymenoptera: Formicidae). American Midland Naturalist 29:183-184. PDF
Cole, A. C., Jr. 1947 ("1946"). A description of Formica parcipappa, a new ant from Idaho (Hymenoptera: Formicidae). Annals of the Entomological Society of America 39:616-618. PDF
Chapuisat, M. 1994. Microsatellites for measuring relatedness in Formica ants. P. 45 in: Lenoir, A.; Arnold, G.; Lepage, M. (eds.) 1994. Les insectes sociaux. 12ème congrès de l'Union Internationale pour l'Étude des Insectes Sociaux. Paris, Sorbonne, 21-27 août 1994. Paris: Université Paris Nord, xxiv + 583 pp.
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Brown, W. L., Jr. 1947. A note upon two neglected species of Formica Linn. (Hym.: Formicidae). Entomological News 58:6-9. PDF
Brown, W. L., Jr. 1957f. Distribution and variation of the ant Formica dakotensis Emery. Entomological News 68:165-167.