Polyrhachis arcuata

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Polyrhachis arcuata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Chariomyrma
Species: P. arcuata
Binomial name
Polyrhachis arcuata
(Le Guillou, 1842)

MCZ-ENT001 Polyrhachis-arcuata hal.jpg

MCZ-ENT001 Polyrhachis-arcuata had.jpg

Specimen Label



Kohout (2008) - There are two members of the subgenus Chariomyrma present in Sulawesi:

  • Pronotal humeri toothed; propodeal spines relatively short, mostly straight, distinctly diverging . . . . . Polyrhachis arcuata
  • Pronotal humeri narrowly rounded; propodeal spines longer, weakly curved posteriorly, subparallel, with tips curved weakly outwards (in copal) . . . . . Polyrhachis inclusa


Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).
Indo-Australian Region: Borneo (type locality), Indonesia, Krakatau Islands, Malaysia, Philippines, Sulawesi.
Oriental Region: Thailand.

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.

  • arcuata. Formica arcuata Le Guillou, 1842: 315 (w.q.) BORNEO. Combination in Polyrhachis: Mayr, 1863: 443; in P. (Chariomyrma): Viehmeyer, 1916a: 166. Junior synonym of latreillei: Dalla Torre, 1893: 264; Emery, 1896d: 380. Revived from synonymy and senior synonym of latifrons (and its junior synonym modiglianii): Emery, 1897d: 583; of continentis: Kohout, 1998: 510. Current subspecies: nominal plus acutinota, aruana.
  • latifrons. Polyrhachis latifrons Roger, 1863a: 155 (w.) INDONESIA (Bintang I.). Senior synonym of modiglianii: Emery, 1895g: 357. Junior synonym of arcuata: Emery, 1897d: 583.
  • modiglianii. Polyrhachis modiglianii Emery, 1888a: 529, pl. 9, fig. 1 (w.) INDONESIA (Sumatra). Junior synonym of latifrons: Emery, 1895g: 357.
  • continentis. Polyrhachis arcuata var. continentis Forel, 1905b: 179 (w.) WEST MALAYSIA. Combination in P. (Chariomyrma): Emery, 1925b: 186. Junior synonym of arcuata: Kohout, 1998: 510.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.


Type Material

Kohout (2008) - Syntype queen, worker. BORNEO (for queen), NORTH AUSTRALIA (for worker) (locality for worker evidently erroneous), ?Musee National d'Histoire Naturelle (types presumed lost).


  • Dalla Torre, K. W. von. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. (page 264, Junior synonym of latreillei)
  • 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 380, Junior synonym of latreillei)
  • Emery, C. 1897e. Viaggio di Lamberto Loria nella Papuasia orientale. XVIII. Formiche raccolte nella Nuova Guinea dal Dott. Lamberto Loria. [concl.]. Ann. Mus. Civ. Stor. Nat. 38[=(2(18): 577-594 (page 583, Revived from synonymy, and senior synonym of latifrons (and its junior synonym modiglianii))
  • Karavaiev, V. 1927f. Ameisen aus dem Indo-Australischen Gebiet. III. Zb. Prats Zool. Muz. 3:3-52 [= Tr. Ukr. Akad. Nauk Fiz.-Mat. Vidd. 7:3-52]. (page 9, worker described)
  • Kohout, R. J. 1998. New synonyms and nomenclatural changes in the ant genus Polyrhachis Fr. Smith (Hymenoptera: Formicidae: Formicinae). Mem. Qld. Mus. 42: 505-531 (page 510, Senior synonym of continentis)
  • Kohout, R.J. 2008a. A review of the Polyrhachis ants of Sulawesi with keys and descriptions of new species (Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum. 52:255-317. PDF
  • Le Guillou, E. J. F. 1842 [1841]. Catalogue raisonné des insectes hyménoptères recueillis dans le voyage de circumnavigation des corvettes l'Astrolabe et la Zélée. Ann. Soc. Entomol. Fr. 10: 311-324 (page 315, worker, queen described)
  • Mayr, G. 1863a. Formicidarum index synonymicus. Verh. K-K. Zool.-Bot. Ges. Wien 13: 385-460 (page 443, Combination in Polyrhachis)
  • Santschi, F. 1928h. Fourmis de Sumatra, récoltées par Mr. J. B. Corporaal. Tijdschr. Entomol. 71: 119-140 (page 139, Replacement name: torta)
  • Santschi, F. 1916d. Rectifications à la nomenclature de quelques Formicides (Hym.). Bull. Soc. Entomol. Fr. 1916: 242-243 (page 243, Replacement name: circumflexa)
  • Stitz, H. 1911a. Australische Ameisen. (Neu-Guinea und Salomons-Inseln, Festland, Neu-Seeland). Sitzungsber. Ges. Naturforsch. Freunde Berl. 1911: 351-381 (page 378, worker described)
  • Viehmeyer, H. 1916a [1915]. Ameisen von Singapore. Beobachtet und gesammelt von H. Overbeck. Arch. Naturgesch. (A) 81(8): 108-168 (page 166, Combination in P. (Chariomyrma))