Polyrhachis senilis

AntWiki: The Ants --- Online
Polyrhachis senilis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Chariomyrma
Species: P. senilis
Binomial name
Polyrhachis senilis
Forel, 1902

Polyrhachis senilis casent0281360 p 1 high.jpg

Polyrhachis senilis casent0281360 d 1 high.jpg

Specimen Labels




Latitudinal Distribution Pattern

Latitudinal Range: 22.5045° to -29.71666667°.

Tropical South

Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).

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 senilis casent0903348 p 1 high.jpgPolyrhachis senilis casent0903348 h 1 high.jpgPolyrhachis senilis casent0903348 d 1 high.jpgPolyrhachis senilis casent0903348 l 1 high.jpg
Holotype of Polyrhachis crawleyellaWorker. Specimen code casent0903348. 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.

  • senilis. Polyrhachis gab var. senilis Forel, 1902h: 520 (w.) AUSTRALIA. Combination in P. (Chariomyrma): Forel, 1915b: 108. Raised to species and senior synonym of crawleyella, tripellis: Kohout, 1988a: 50.
  • comata. Polyrhachis comata Crawley, 1915b: 237 (w.) AUSTRALIA. [Junior primary homonym of comata Emery, above.] Replacement name: crawleyella Santschi, 1916d: 243.
  • crawleyella. Polyrhachis crawleyella Santschi, 1916d: 243. Replacement name for comata Crawley, 1915b: 237. [Junior primary homonym of comata Emery, 1911b: 538.] Combination in P. (Chariomyrma): Emery, 1925b: 186 (misspelled as crawleyana). Junior synonym of gab: Bolton, 1974b: 173; of senilis: Kohout, 1988a: 50.

Type Material



References based on Global Ant Biodiversity Informatics

  • Andersen A. N., J. C. Z. Woinarski, and B. Hoffman. 2004. Biogeography of the ant fauna of the Tiwi Islands, in northern Australia's moonsoonal tropics. Australian Journal of Zoology 52: 97-110.
  • Andersen A. N., and B. D. Hoffmann. 2010. Conservation value of low fire frequency in tropical savannas: ants in monsoonal northern Australia. Austral Ecology 36(5): 597-503.
  • Andersen, Alan N., John C.Z. Woinarski and Ben D. Hoffman. 2004. Biogeography of the ant fauna of the Tiwi Islands, in northern Australia's monsoonal tropics. Australian Journal of Zoology 52: 97-110.
  • Forel A. 1915. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Ark. Zool. 9(16): 1-119
  • Heterick B. E., B. Durrant, and N. R. Gunawardene. 2010. The ant fauna of the Pilbara Bioregion, Western Australia. Records of the Western Australian Museum, Supplement 78: 157-167.
  • Kohout R. J. 1988. New nomenclature of the Australian ants of the Polyrhachis gab Forel species complex (Hymenoptera: Formicidae: Formicinae). Aust. Entomol. Mag. 15: 49-52.
  • Kohout R. J. 2000. A review of the distribution of the Polyrhachis and Echinopla ants of the Queensland wet tropics (Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum 46: 183-209