AntWiki: The Ants --- Online
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Cephalomorium
Forel, 1922
Type species
Tetramorium (Cephalomorium) bahai, now Pheidole bahai

Pheidole bahai casent0909175 p 1 high.jpg

Pheidole bahai casent0909175 d 1 high.jpg

Specimen Labels

This genus is not in use as it is currently considered to be a junior synonym of Pheidole.


The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • CEPHALOMORIUM [junior synonym of Pheidole]
    • Cephalomorium Forel, 1922: 91 [as subgenus of Tetramorium]. Type-species: Tetramorium (Cephalomorium) bahai, by monotypy.
    • Cephalomorium junior synonym of Hendecapheidole: Santschi, 1925d: 228.
    • Cephalomorium junior synonym of Pheidole: Smith, D.R. 1979: 1366; Wilson, 2003: 6].


  • Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 235, Cephalomorium as junior synonym of Pheidole)
  • Forel, A. 1922b. Glanures myrmécologiques en 1922. Rev. Suisse Zool. 30: 87-102 (page 91, Cephalomorium as subgenus of Tetramorium)
  • Santschi, F. 1925d. Nouveaux Formicides brésiliens et autres. Bull. Ann. Soc. Entomol. Belg. 65: 221-247 (page 228, Cephalomorium as junior synonym of Hendecapheidole)
  • 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 1366, Cephalomorium junior synonym of Pheidole)
  • Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Cambridge, Mass.: Harvard University Press, [ix] + 794 pp.: 794pp (page 6, Cephalomorium junior synonym of Pheidole)