Formica ulkei

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Formica ulkei
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Formicini
Genus: Formica
Species: F. ulkei
Binomial name
Formica ulkei
Emery, 1893



Specimen Label

At a Glance • Polygynous  • Temporary parasite  


Photo Gallery

  • Worker foraging on vegetation.
  • Worker foraging on ground.
  • Worker foraging on flower.
  • Mound, 5km N Roque Bluffs State Park, Maine.


A member of the Formica exsecta group.

Keys including this Species


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


This species is a temporary parasite for the ant Formica fusca.



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

  • ulkei. Formica ulkei Emery, 1893i: 653, pl. 22, fig. 7 (w.) U.S.A. Wheeler, W.M. 1913f: 486 (q.m.); Wheeler, G.C. & Wheeler, J. 1953c: 168 (l.); Hung, 1969: 456 (k.). Senior synonym of hebescens: Creighton, 1950a: 515. See also: Smith, D.R. 1979: 1456.
  • hebescens. Formica ulkei var. hebescens Wheeler, W.M. 1913f: 487 (w.) U.S.A. Junior synonym of ulkei: Creighton, 1950a: 515.



  • n = 26 (USA) (Hung, 1969).


  • Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 205, catalogue)
  • Creighton, W. S. 1950a. The ants of North America. Bull. Mus. Comp. Zool. 104: 1-585 (page 515, senior synonym of hebescens)
  • Emery, C. 1893k. Beiträge zur Kenntniss der nordamerikanischen Ameisenfauna. Zool. Jahrb. Abt. Syst. Geogr. Biol. Tiere 7: 633-682 (page 653, pl. 22, fig. 7 worker described)
  • Hung, A. C. F. 1969. The chromosome numbers of six species of formicine ants. Ann. Entomol. Soc. Am. 62: 455-456 (page 455, karyotype described)
  • Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V., Hurd, P. D., Smith, D. R., Burks, B. D. (eds.) Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Pr (page 1456, see also)
  • Wheeler, G. C.; Wheeler, J. 1953c. The ant larvae of the subfamily Formicinae. Ann. Entomol. Soc. Am. 46: 126-171 (page 168, larva described)
  • Wheeler, W. M. 1913i. A revision of the ants of the genus Formica (Linné) Mayr. Bull. Mus. Comp. Zool. 53: 379-565 (page 486, queen, male described)