Polyrhachis obtusa

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Polyrhachis obtusa
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Chariomyrma
Species: P. obtusa
Binomial name
Polyrhachis obtusa
Emery, 1897

Polyrhachis obtusa casent0217785 p 1 high.jpg

Polyrhachis obtusa casent0217785 d 1 high.jpg

Specimen Labels




Distribution based on Regional Taxon Lists

Australasian Region: Australia.
Indo-Australian Region: Indonesia, New Guinea.

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.

  • obtusa. Polyrhachis aurea var. obtusa Emery, 1897d: 589 (w.) NEW GUINEA. Combination in P. (Chariomyrma): Forel, 1915b: 110. Raised to species: Kohout & Taylor, 1990: 516. Senior synonym of aruana: Kohout, 1998: 512.
  • aruana. Polyrhachis (Chariomyrma) arcuata var. aruana Karavaiev, 1927e: 16 (w.) INDONESIA (Aru I.). Junior synonym of obtusa: Kohout, 1998: 512.

Type Material



  • 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 589, worker described)
  • Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Ark. Zool. 9(1 16: 1-119 (page 110, Combination in P. (Chariomyrma))
  • 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 512, Senior synonym of aruana)
  • Kohout, R. J.; Taylor, R. W. 1990. Notes on Australian ants of the genus Polyrhachis Fr. Smith, with a synonymic list of the species (Hymenoptera: Formicidae: Formicinae). Mem. Qld. Mus. 28: 509-522 (page 516, Raised to species)