AntWiki: The Ants --- Online
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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Croesomyrmex
Mann, 1920
Type species
Macromischa (Croesomyrmex) wheeleri, now Temnothorax wheeleri

Temnothorax wheeleri casent0904720 p 1 high.jpg

Temnothorax wheeleri casent0904720 d 1 high.jpg

Specimen Labels

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


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

  • CROESOMYRMEX [junior synonym of Temnothorax]
    • Croesomyrmex Mann, 1920: 408 [as subgenus of Macromischa]. Type-species: Macromischa (Croesomyrmex) wheeleri, by original designation.
    • Croesomyrmex raised to genus: Wheeler, W.M. 1931b: 4 (in text).
    • Croesomyrmex junior synonym of Macromischa: Smith, M.R. 1937: 849; Smith, M.R. 1939e: 502.
    • Croesomyrmex junior synonym of Temnothorax: Bolton, 2003: 253, 271.


  • Baroni Urbani, C. 1978b. Materiali per una revisione dei Leptothorax neotropicali appartenenti al sottogenere Macromischa Roger, n. comb. (Hymenoptera: Formicidae). Entomol. Basil. 3: 395-618 (page 398, Croesomyrmex as junior synonym of Macromischa)
  • Bolton, B. 1994. Identification guide to the ant genera of the world. Cambridge, Mass.: Harvard University Press, 222 pp. (page 105, Croesomyrmex as junior synonym of Macromischa)
  • Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 253, 271, Croesomyrmex as junior synonym of Temnothorax)
  • Mann, W. M. 1920b. Additions to the ant fauna of the West Indies and Central America. Bull. Am. Mus. Nat. Hist. 42: 403-439 (page 408, Croesomyrmex as subgenus of Macromischa)
  • Smith, M. R. 1937 [1936]. The ants of Puerto Rico. J. Agric. Univ. P. R. 20: 819-875 (page 849, Croesomyrmex as junior synonym of Macromischa)
  • Smith, M. R. 1939e. Ants of the genus Macromischa Roger in the United States (Hymenoptera: Formicidae). Ann. Entomol. Soc. Am. 32: 502-509 (page 502, Croesomyrmex as junior synonym of Macromischa)
  • Wheeler, W. M. 1931b. New and little-known ants of the genera Macromischa, Creosomyrmex and Antillaemyrmex. Bull. Mus. Comp. Zool. 72: 1-34 (page 4, 32, Croesomyrmex as genus (in text))