Formica integra

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Formica integra
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Formicini
Genus: Formica
Species group: rufa
Species: F. integra
Binomial name
Formica integra
Nylander, 1856

Formica integra casent0105554 profile 1.jpg

Formica integra casent0105554 dorsal 1.jpg

Specimen labels



Keys including this Species


Eastern North America, ranges from Nova Scotia and Québec south to Mississippi.

Distribution based on Regional Taxon Lists

Nearctic Region: Canada, United States (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb


Nest site selected in areas of moderate to heavy cover. Nest begun in or under a log or stump. Extensive use made of thatching. The finished nest considerably influenced by the size of the object in which it was started but, when this is small, a dome shaped nest results (Creighton, 1940)





The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • integra. Formica integra Nylander, 1856b: 62 (footnote) (w.) U.S.A. Mayr, 1886d: 425 (q.m.). Subspecies of rufa: Emery, 1893i: 652; Wheeler, W.M. 1908g: 406; Creighton, 1940a: 1; of truncicola: Wheeler, W.M. 1913c: 116; Wheeler, W.M. 1913f: 444; Wheeler, W.M. 1917a: 464. Revived status as species: Creighton, 1950a: 487. Senior synonym of similis: Emery, 1893i: 652; Wheeler, W.M. 1906b: 16.
  • similis. Formica integra var. similis Mayr, 1886d: 425 (w.q.m.) U.S.A. Junior synonym of integra: Emery, 1893i: 652; Wheeler, W.M. 1906b: 16; Creighton, 1950a: 487.



  • Creighton, W. S. 1940a. A revision of the North American variants of the ant Formica rufa. Am. Mus. Novit. 1055: 1-10 PDF
  • Creighton, W. S. 1950a. The ants of North America. Bull. Mus. Comp. Zool. 104: 1-585 (page 487, revived status as species)
  • Emery, C. 1893k. Beiträge zur Kenntniss der nordamerikanischen Ameisenfauna. Zool. Jahrb. Abt. Syst. Geogr. Biol. Tiere 7: 633-682 (page 652, subspecies of rufa, Senior synonym of similis)
  • Mayr, G. 1886d. Die Formiciden der Vereinigten Staaten von Nordamerika. Verh. K-K. Zool.-Bot. Ges. Wien 36: 419-464 (page 425, queen, male described)
  • Nylander, W. 1856b. Synopsis des Formicides de France et d'Algérie. Ann. Sci. Nat. Zool. (4) 5: 51-109 (page 62, worker described)
  • Wheeler, W. M. 1906g. Fauna of New England. 7. List of the Formicidae. Occas. Pap. Boston Soc. Nat. Hist. 7: 1-24 (page 16, Senior synonym of similis)
  • Wheeler, W. M. 1908h. The ants of Texas, New Mexico and Arizona. (Part I.). Bull. Am. Mus. Nat. Hist. 24: 399-485 (page 406, subspecies of rufa)
  • Wheeler, W. M. 1913d. Ants collected in Georgia by Dr. J. C. Bradley and Mr. W. T. Davis. Psyche (Camb.) 20: 112-117 (page 116, subspecies of trunicola)
  • Wheeler, W. M. 1913i. A revision of the ants of the genus Formica (Linné) Mayr. Bull. Mus. Comp. Zool. 53: 379-565 (page 444, subspecies of trunicola)
  • Wheeler, W. M. 1917a. The mountain ants of western North America. Proc. Am. Acad. Arts Sci. 52: 457-569 (page 464, subspecies of trunicola)