Rhytidoponera impressa

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Rhytidoponera impressa
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ectatomminae
Tribe: Ectatommini
Genus: Rhytidoponera
Species: R. impressa
Binomial name
Rhytidoponera impressa
(Mayr, 1876)

Rhytidoponera impressa casent0217491 p 1 high.jpg

Rhytidoponera impressa casent0217491 d 1 high.jpg

Specimen Labels

One of very few species in this genus where queens reproduce.



Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb

Elevation Range

Occurrence at collecting sites during elevational surveys of rainforest in the Eungella region, Queensland, Australia (Burwell et al., 2020).
Species Elevation (m asl)
200 400 600 800 1000 1200
Rhytidoponera impressa 70-80
Shading indicates the bands of elevation where species was recorded.
Numbers are the percentage of total samples containing this species.



Queens (n=5 dissected) had 16-18 ovarioles; workers (n=4) had 4-6 ovarioles (C. Peeters, unpublished)



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

  • impressa. Ectatomma impressum Mayr, 1876: 92 (w.q.) AUSTRALIA (Queensland).
    • Type-material: syntype workers (number not stated), 1 syntype queen.
    • Type-locality: Australia: Queensland, Gayndah.
    • Type-depositories: MSNG, NHMW.
    • Wheeler, G.C. & Wheeler, J. 1952a: 124 (l.); Imai, Crozier & Taylor, 1977: 347 (k.).
    • Combination in E. (Rhytidoponera): Emery, in Dalla Torre, 1893: 24;
    • combination in Rhytidoponera (Chalcoponera): Emery, 1897d: 549.
    • Status as species: Emery, 1887b: 444; Dalla Torre, 1893: 24; Emery, 1911d: 39; Emery, 1912a: 77 (in key); Forel, 1915b: 14; Chapman & Capco, 1951: 25; Brown, 1954g: 5; Brown, 1958g: 203; Ward, 1980: 487 (redescription); Taylor & Brown, 1985: 44; Taylor, 1987a: 68; Bolton, 1995b: 379.
    • Distribution: Australia.

Type Material



  • 2n = 42 (Australia) (Imai et al., 1977).


References based on Global Ant Biodiversity Informatics

  • Chapman, J. W., and Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monogr. Inst. Sci. Technol. Manila 1: 1-327
  • Forel A. 1915. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Ark. Zool. 9(16): 1-119
  • Taylor R. W. 1987. A checklist of the ants of Australia, New Caledonia and New Zealand (Hymenoptera: Formicidae). CSIRO (Commonwealth Scientific and Industrial Research Organization) Division of Entomology Report 41: 1-92.
  • Ward P. S. 1980. A systematic revision of the Rhytidoponera impressa group (Hymenoptera: Formicidae) in Australia and New Guinea. Aust. J. Zool. 28: 475-498.