Camponotus irritans

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Camponotus irritans
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Camponotus
Species: C. irritans
Binomial name
Camponotus irritans
(Smith, F., 1857)

Camponotus irritans casent0901899 p 1 high.jpg

Camponotus irritans casent0901899 d 1 high.jpg

Specimen Labels




Distribution based on Regional Taxon Lists

Indo-Australian Region: Borneo, Malaysia (type locality).
Oriental Region: India, Nicobar Island, Sri Lanka, Vietnam.
Palaearctic Region: China.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




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

  • irritans. Formica irritans Smith, F. 1857a: 55 (w.) WEST MALAYSIA. [Described a second time on p. 58 of same publication.] Wheeler, W.M. 1924b: 253 (q.m.). Combination in Camponotus: Roger, 1863b: 3; in C. (Myrmoturba): Forel, 1913k: 125; in C. (Tanaemyrmex): Emery, 1925b: 93. Subspecies of maculatus: Forel, 1892j: 242; Emery, 1896d: 370; Forel, 1901b: 27; Forel, 1909d: 229; Wheeler, W.M. 1924b: 253. Status as species: Dalla Torre, 1893: 236; Bingham, 1903: 353; Emery, 1920b: 255; Emery, 1920c: 7; Santschi, 1924c: 114; Emery, 1925b: 93; Wheeler, W.M. 1929g: 57; Stärcke, 1930: 376; Karavaiev, 1933a: 316. Senior synonym of agnatus: Bingham, 1903: 353. [Donisthorpe, 1932c: 444, suggests that irritans may be the worker of diligens.] Current subspecies: nominal plus carensis, carinifer, cliens, croceomaculatus, curtus, fatuus, hongkongensis, inferior, melanogaster, pallidus, procax, sumatranus, tinctus.
  • agnatus. Camponotus agnatus Roger, 1863a: 137 (s.w.) SRI LANKA. Combination in C. (Myrmoturba): Forel, 1914a: 266. Junior synonym of irritans: Bingham, 1903: 353.

The following notes on F. Smith type specimens have been provided by Barry Bolton (details):

Formica irritans

Three worker syntypes in Oxford University Museum of Natural History. One labelled “MAL 19.”, the other two “34 MALAC.” (both localities = West Malaysia). In addition there is a single worker labelled “SAR. 1” which is probably the one mentioned from “Borneo (Sarawak) in the original description. I have placed this specimen with the syntypes.

Smith described this species twice in the same publication (pp. 55 and 58), based on the same specimens.



  • Bingham, C. T. 1903. The fauna of British India, including Ceylon and Burma. Hymenoptera, Vol. II. Ants and Cuckoo-wasps. London: Taylor and Francis, 506 pp. (page 353, Status as species, Senior synonym of agnatus)
  • Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 105, [Donisthorpe, 1932c: 444, suggests that irritans may be the worker of diligens.])
  • Clouse, R.M., Blanchard, B.D., Gibson, R., Wheeler, W.C. & Janda, M. 2016. Taxonomic updates for some confusing Micronesian species of Camponotus (Hymenoptera: Formicidae: Formicinae). Myrmecological News 23: 139-152.
  • Clouse, R. M., M. Janda, B. Blanchard, P. Sharma, B. D. Hoffmann, A. N. Andersen, J. E. Czekanski-Moir, P. Krushelnycky, C. Rabeling, E. O. Wilson, E. P. Economo, E. M. Sarnat, D. M. General, G. D. Alpert, and W. C. Wheeler. 2015. Molecular phylogeny of Indo-Pacific carpenter ants (Hymenoptera: Formicidae, Camponotus) reveals waves of dispersal and colonization from diverse source areas. Cladistics. 31:424-437. doi:10.1111/cla.12099
  • Dalla Torre, K. W. von. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. (page 236, Status as species)
  • Emery, C. 1896j. Saggio di un catalogo sistematico dei generi Camponotus, Polyrhachis e affini. Mem. R. Accad. Sci. Ist. Bologna (5)5:363-382 (page 370, Subspecies of maculatus)
  • Emery, C. 1920b. Le genre Camponotus Mayr. Nouvel essai de la subdivision en sous-genres. Rev. Zool. Afr. (Bruss.) 8: 229-260 (page 255, Status as species)
  • Emery, C. 1920d. Studi sui Camponotus. Bull. Soc. Entomol. Ital. 52: 3-48 (page 7, Status as species)
  • Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183: 1-302 (page 93, Combination in C. (Tanaemyrmex), Status as species)
  • Forel, A. 1892k. Les Formicides de l'Empire des Indes et de Ceylan. Part I. J. Bombay Nat. Hist. Soc. 7: 219-245 (page 242, Subspecies of maculatus)
  • Forel, A. 1901b. Critique des expériences faites dès 1887 avec quelques nouvelles expériences. Troisième partie (1901). Riv. Biol. Gen. 3: 7-62 (page 27, Subspecies of maculatus)
  • Forel, A. 1909i. Ameisen aus Java und Krakatau beobachtet und gesammelt von Herrn Edward Jacobson. Notes Leyden Mus. 31: 221-232 (page 229, Subspecies of maculatus)
  • Forel, A. 1913l. Wissenschaftliche Ergebnisse einer Forschungsreise nach Ostindien ausgeführt im Auftrage der Kgl. Preuss. Akademie der Wissenschaften zu Berlin von H. v. Buttel-Reepen. II. Ameisen aus Sumatra, Java, Malacca und Ceylon. Gesammelt von Her (page 125, Combination in C. (Myrmoturba))
  • Karavaiev, V. 1933a [1932]. Ameisen aus dem Indo-Australischen Gebiet, VII. Konowia 11: 305-320 (page 316, Status as species)
  • Roger, J. 1863b. Verzeichniss der Formiciden-Gattungen und Arten. Berl. Entomol. Z. 7(B Beilage: 1-65 (page 3, Combination in Camponotus)
  • Santschi, F. 1924c. Fourmis d'Indochine. Opusc. Inst. Sci. Indoch. 3:95-117 [= Faune Entomol. Indoch. Fr Fr: 95-117 [= (page 114, Status as species)
  • Smith, F. 1857a. Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace. [part]. J. Proc. Linn. Soc. Lond. Zool. 2: 42-88 (page 55, worker described [Described a second time on p. 58 of same publication.] )
  • Stärcke, A. 1930. Verzeichnis der bis jetzt von der Insel Palau Berhala bekannt gewordenen Ameisen. Treubia 12: 371-381 (page 376, Status as species)
  • Wheeler, W. M. 1924c. Ants of Krakatau and other islands in the Sunda Strait. Treubia 5: 239-258 (page 253, queen, male described, Subspecies of maculatus)
  • Wheeler, W. M. 1929h. Ants collected by Professor F. Silvestri in Formosa, the Malay Peninsula and the Philippines. Boll. Lab. Zool. Gen. Agrar. R. Sc. Super. Agric. 24: 27-64 (page 57, Status as species)