Podomyrma adelaidae

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Podomyrma adelaidae
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Podomyrma
Species group: adelaidae
Species: P. adelaidae
Binomial name
Podomyrma adelaidae
(Smith, F., 1858)

Podomyrma adelaidae casent0217908 p 1 high.jpg

Podomyrma adelaidae casent0217908 d 1 high.jpg

Specimen Labels


Podomyrma adelaidae is found throughout temperate Australia and is easily recognised by the pair of white spots on the gaster. Workers can be seen foraging on the trunks of eucalypts, particularly smooth- barked eucalypts.

Photo Gallery

  • Podomyrma adelaidae worker from Doodenanning, Western Australia. Photo by Farhan Bokhari.
  • Worker from Doodenanning, Western Australia. Photo by Farhan Bokhari.
  • Podomyrma adelaidae with fly prey, Waikerie, South Australia. Photo by Mark Newton.
  • Worker from Moondyne, Western Australia. Photo by Farhan Bokhari.
  • P. adelaidae workers engaging in an apparent territorial dispute. Usually when workers from different colonies intrude on each other's territory, they will antennate or engage in ritualised fighting to resolve the dispute. But when this fails they will attack one another. A dominance battle ensues, with the victor retaining rights to forage in the area. In this case one worker has a strong grip on the other's antennae and showed no signs of releasing it while being photographed.
  • Part of the same territorial battle, this pair of workers were engaged in a struggle nearby. The smaller worker kept trying to escape but the larger worker had a firm grasp of its postpetiole.
  • Podomyrma adelaidae tends to a Lycaenid caterpillar. These caterpillars secrete substances that the ants find attractive, and the ants in turn provide protection from parasites. Poochera, South Australia. © Alex Wild.


Heterick (2009) - The pair of white markings on the basal gastral tergite renders this ant unmistakeable.

Keys including this Species


Heterick (2009) - Widespread throughout temperate Australia and the Kimberley region.

Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).

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.

  • adelaidae. Myrmica adelaidae Smith, F. 1858b: 128 (w.) AUSTRALIA. Wheeler, G.C. & Wheeler, J. 1954c: 127 (l.); Imai, Crozier & Taylor, 1977: 348 (k.). Combination in Podomyrma: Dalla Torre, 1893: 60. Senior synonym of bimaculata: Forel, 1915b: 50; Emery, 1924d: 237; of sericeiventris: Emery, 1924d: 237; of brevidentata: Taylor, 1999: 173.
  • sericeiventris. Podomyrma micans subsp. sericeiventris Emery, 1898b: 235 (w.q.) AUSTRALIA. Junior synonym of adelaidae: Emery, 1924d: 237.
  • bimaculata. Podomyrma bimaculata Forel, 1901h: 57 (w.q.) AUSTRALIA. Junior synonym of adelaidae: Forel, 1915b: 50.
  • brevidentata. Podomyrma bimaculata var. brevidentata Forel, 1915b: 49 (w.) AUSTRALIA. Subspecies of adelaidae: Emery, 1924d: 237; Taylor & Brown, D.R. 1985: 80. Junior synonym of adelaidae: Taylor, 1999: 173.

Type Material



  • 2n = 50 (Australia) (Imai et al., 1977) (B chromosome).
  • 2n = 51 (Australia) (Imai et al., 1977) (B chromosome).
  • 2n = 49 (Australia) (Imai et al., 1977).


  • Dalla Torre, K. W. von. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. (page 60, Combination in Podomyrma)
  • Emery, C. 1924f [1922]. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C: 207-397 (page 237, Senior synonym of sericeiventris)
  • 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 50, Senior synonym of bimaculata)
  • Heterick, B. E. 2009. A guide to the ants of South-western Australia. Records of the Western Australian Museum, Supplement 76:1-206. PDF
  • Imai, H. T.; Crozier, R. H.; Taylor, R. W. 1977. Karyotype evolution in Australian ants. Chromosoma (Berl.) 59: 341-393 (page 348, karyotype described)
  • Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp. (page 128, worker described)
  • Taylor, R. W. 1999. Nomenclatural changes in the Australasian ant genus Podomyrma Fredrick Smith (Hymenoptera: Formicidae: Myrmicinae). Sociobiology 34: 173-174 (page 173, Senior synonym of brevidentata)
  • Wheeler, G. C.; Wheeler, J. 1954c. The ant larvae of the myrmicine tribe Myrmecinini (Hymenoptera). Proc. Entomol. Soc. Wash. 56: 126-138 (page 127, larva described)