Polyrhachis hostilis

AntWiki: The Ants --- Online
Polyrhachis hostilis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Chariomyrma
Species: P. hostilis
Binomial name
Polyrhachis hostilis
Smith, F., 1859

Polyrhachis hostilis casent0901803 p 1 high.jpg

Polyrhachis hostilis casent0901803 d 1 high.jpg

Specimen Labels




Latitudinal Distribution Pattern

Latitudinal Range: -0.866667° to -6.166666667°.

Tropical South

Distribution based on Regional Taxon Lists

Indo-Australian Region: Indonesia (type locality), New Guinea.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.



Images from AntWeb

Polyrhachis hostilis casent0901803 d 2 high.jpgPolyrhachis hostilis casent0901803 p 2 high.jpg
Holotype of Polyrhachis hostilisWorker. Specimen code casent0901803. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by OUM, Oxford, UK.
Polyrhachis hostilis casent0903342 d 1 high.jpgPolyrhachis hostilis casent0903342 p 1 high.jpgPolyrhachis hostilis casent0903342 h 1 high.jpgPolyrhachis hostilis casent0903342 l 1 high.jpg
Holotype of Polyrhachis hostilis hebesWorker. Specimen code casent0903342. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by NHMUK, London, UK.


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

  • hostilis. Polyrhachis hostilis Smith, F. 1859a: 139 (w.) INDONESIA (Aru I.). Combination in P. (Chariomyrma): Emery, 1925b: 187. Senior synonym of hebes, intricata: Bolton, 1974b: 175. Current subspecies: nominal plus circumflexa.
  • hirsuta. Polyrhachis hostilis var. hirsuta Viehmeyer, 1914b: 58 (w.) NEW GUINEA. [Junior primary homonym of hirsuta Mayr, above.] Replacement name: intricata Forel, 1918a: 727. [P. hirsuta Emery, 1911b: 532. Nomen nudum.]
  • intricata. Polyrhachis (Chariomyrma) hostilis var. intricata Forel, 1918a: 727. Replacement name for hirsuta Viehmeyer, 1914b: 58. [Junior primary homonym of hirsuta Mayr, 1876: 75.] Junior synonym of hostilis: Bolton, 1974b: 175.
  • hebes. Polyrhachis (Chariomyrma) hostilis subsp. hebes Donisthorpe, 1941h: 62 (w.) NEW GUINEA. Junior synonym of hostilis: Bolton, 1974b: 175.

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

Polyrhachis hostilis

Holotype worker in Oxford University Museum of Natural History. Labelled “Aru” (= Aru I., New Guinea) and with a Donisthorpe type-label.



  • Bolton, B. 1974b [1973]. New synonymy and a new name in the ant genus Polyrhachis F. Smith (Hym., Formicidae). Entomol. Mon. Mag. 109: 172-180 (page 175, Senior synonym of hebes and intricata)
  • Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183: 1-302 (page 187, Combination in P. (Chariomyrma))
  • Smith, F. 1859a. Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the islands of Aru and Key. [part]. J. Proc. Linn. Soc. Lond. Zool. 3: 132-158 (page 139, worker described)

References based on Global Ant Biodiversity Informatics

  • Bolton B. 1974. New synonymy and a new name in the ant genus Polyrhachis F. Smith (Hym., Formicidae). Entomol. Mon. Mag. 109: 172-180
  • Donisthorpe, Horace. 1941. The Ants of Japen Island, Dutch New Guinea (Hym. Formicidae). The Transactions of the Royal Entomological Society of London. 91(2):51-64.
  • Emery C. 1886. Saggio di un catalogo sistematico dei generi Camponotus, Polyrhachis e affini. Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna 5: 363-382
  • Emery C. 1887. Catalogo delle formiche esistenti nelle collezioni del Museo Civico di Genova. Parte terza. Formiche della regione Indo-Malese e dell'Australia. [part]. Ann. Mus. Civ. Stor. Nat. 24(4): 209-258.
  • Emery, C. "Catalogo delle formiche esistenti nelle collezioni del Museo Civico di Genova. Parte terza. Formiche della regione Indo-Malese e dell'Australia." Annali del Museo Civico di Storia Naturale Giacomo Doria (Genova) (2) 4, no. 24 (1887): 209-258.
  • Janda M., G. D. Alpert, M. L. Borowiec, E. P. Economo, P. Klimes, E. Sarnat, and S. O. Shattuck. 2011. Cheklist of ants described and recorded from New Guinea and associated islands. Available on http://www.newguineants.org/. Accessed on 24th Feb. 2011.
  • Lucky A., E. Sarnat, and L. Alonso. 2011. Ants of the Muller Range, Papua New Guinea, Chapter 10. In Richards, S. J. and Gamui, B. G. (editors). 2013. Rapid Biological Assessments of the Nakanai Mountains and the upper Strickland Basin: surveying the biodiversity of Papua New Guinea’s sublime karst environments. RAP Bulletin of Biological Assessment 60. Conservation International. Arlington, VA.
  • Robson Simon Database Polyrhachis -05 Sept 2014
  • Viehmeyer H. 1912. Ameisen aus Deutsch Neuguinea gesammelt von Dr. O. Schlaginhaufen. Nebst einem Verzeichnisse der papuanischen Arten. Abhandlungen und Berichte des Königlichen Zoologischen und Anthropologische-Ethnographischen Museums zu Dresden 14: 1-26.