Rhytidoponera aciculata

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Rhytidoponera aciculata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ectatomminae
Tribe: Ectatommini
Genus: Rhytidoponera
Species: R. aciculata
Binomial name
Rhytidoponera aciculata
(Smith, F., 1858)

Rhytidoponera aciculata casent0900519 p 1 high.jpg

Rhytidoponera aciculata casent0900519 d 1 high.jpg

Specimen Labels




Latitudinal Distribution Pattern

Latitudinal Range: -28.53952° to -33.11666667°.

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

Rhytidoponera aciculata casent0907135 h 1 high.jpgRhytidoponera aciculata casent0907135 p 1 high.jpgRhytidoponera aciculata casent0907135 d 1 high.jpgRhytidoponera aciculata casent0907135 l 1 high.jpg
Syntype of Ectatomma cristatum caroWorker. Specimen code casent0907135. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.


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

  • aciculata. Ectatomma aciculata Smith, F. 1858b: 104 (w.) AUSTRALIA (New South Wales).
    • Type-material: holotype worker.
    • Type-locality: Australia: Hunter River, “51/36” (no collector’s name).
    • Type-depository: BMNH.
    • Clark, 1936: 56 (m.); Imai, Crozier & Taylor, 1977: 347 (k.).
    • Combination in Ponera (Ectatomma): Roger, 1860: 307;
    • combination in Ectatomma: Roger, 1863b: 17;
    • combination in E. (Rhytidoponera): Emery, in Dalla Torre, 1893: 23;
    • combination in Rhytidoponera: Emery, 1911d: 38.
    • Subspecies of punctata: Forel, 1907h: 268; Emery, 1911d: 38; Forel, 1913g: 174.
    • Status as species: Mayr, 1863: 409; Roger, 1860: 307; Roger, 1863b: 17; Mayr, 1886c: 358; Dalla Torre, 1893: 23; Clark, 1936: 55 (redescription); Brown, 1958g: 202, 263; Taylor & Brown, 1985: 40; Taylor, 1987a: 67; Bolton, 1995b: 378.
    • Senior synonym of caro: Clark, 1936: 55; Taylor & Brown, 1985: 40; Taylor, 1987a: 67; Bolton, 1995b: 378.
    • Material of the unavailable name laevior referred here by Brown, 1958g: 202; Bolton, 1995b: 378.
    • Distribution: Australia.
  • caro. Ectatomma (Rhytidoponera) cristatum subsp. caro Forel, 1910b: 11 (w.) AUSTRALIA (New South Wales).
    • Type-material: syntype workers (number not stated).
    • Type-locality: Australia: New South Wales (Froggatt).
    • Type-depositories: ANIC, MHNG, NHMB.
    • Combination in Rhytidoponera: Emery, 1911d: 38.
    • Subspecies of cristata: Emery, 1911d: 38.
    • Junior synonym of aciculata: Clark, 1936: 55; Taylor & Brown, 1985: 40; Taylor, 1987a: 67; Bolton, 1995b: 378.

Type Material

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

Ectatomma aciculata

Holotype worker in The Natural History Museum. Labelled “Hunter River,” (Australia) and “51/36.” Acc. Reg.: “1851 no. 36 (April 16th). Hunter River. Purchased from Mr Ker. Bill 1851.A.26.”



  • n = 26, 2n = 52, karyotype = 18M + 34A (Australia) (Imai et al., 1977; Mariano et al., 2015).


References based on Global Ant Biodiversity Informatics

  • Stitz H. 1911. Australische Ameisen. (Neu-Guinea und Salomons-Inseln, Festland, Neu-Seeland). Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1911: 351-381.