Tetramorium spinosum

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Tetramorium spinosum
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Tetramorium
Species: T. spinosum
Binomial name
Tetramorium spinosum
(Pergande, 1896)

Tetramorium spinosum casent0005831 profile 1.jpg

Tetramorium spinosum casent0005831 dorsal 1.jpg

Specimen labels


This species nests in the soil, with the entrance surrounded by a small mound, or under stones. It feeds on seeds and dead insects.


Keys including this Species


Distribution based on Regional Taxon Lists

Nearctic Region: United States.
Neotropical Region: Mexico (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb


Creosotebush scrub, arroyos, arid grassy sites.





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

  • spinosum. Xiphomyrmex spinosus Pergande, 1896: 894 (w.) MEXICO. Cole, 1957c: 209 (m.); Taber & Cokendolpher, 1988: 95 (k.). Combination in Tetramorium: Bolton, 1979: 163. Senior synonym of insons, wheeleri: Bolton, 1979: 163. See also: Smith, M.R. 1938a: 127.
  • wheeleri. Tetramorium (Xiphomyrmex) wheeleri Forel, 1901c: 128 (w.) MEXICO. Subspecies of spinosum: Wheeler, W.M. 1915b: 416; Smith, M.R. 1938a: 130. Junior synonym of spinosum: Bolton, 1979: 163.
  • insons. Xiphomyrmex spinosus subsp. insons Wheeler, W.M. 1915b: 416 (w.q.m.) U.S.A. Junior synonym of spinosum: Bolton, 1979: 163.



  • n = 13, 2n = 26, karyotype = 26M (USA) (Taber & Cokendolpher, 1988).


  • Bolton, B. 1979. The ant tribe Tetramoriini (Hymenoptera: Formicidae). The genus Tetramorium Mayr in the Malagasy region and in the New World. Bull. Br. Mus. (Nat. Hist.) Entomol. 38: 129-181 (page 163, Combination in Tetramorium, and senior synonym of insons and wheeleri)
  • Cole, A. C., Jr. 1957c. Descriptions of sexual castes of some ants in the genera Myrmica, Manica and Xiphomyrmex from the western United States (Hymenoptera: Formicidae). J. Tenn. Acad. Sci. 32: 208-213 (page 209, male described)
  • Mackay, W. P. and E. Mackay. 2002. The ants of New Mexico (Hymenoptera: Formicidae). Edwin Mellen Press, Lewiston, NY.
  • Pergande, T. 1896. Mexican Formicidae. Proc. Calif. Acad. Sci. (2) 5: 858-896 (page 894, worker described)
  • Smith, M. R. 1938a. A study of the North American ants of the genus Xiphomyrmex Forel. J. Wash. Acad. Sci. 28: 126-130 (page 127, see also)
  • Taber, S. W.; Cokendolpher, J. C. 1988. Karyotypes of a dozen ant species from the southwestern U.S.A. (Hymenoptera: Formicidae). Caryologia 41: 93-102 (page 95, karyotype described)