Notoncus capitatus

AntWiki: The Ants --- Online
Notoncus capitatus
Notoncus capitatus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Melophorini
Genus: Notoncus
Species: N. capitatus
Binomial name
Notoncus capitatus
Forel, 1915

Notoncus capitatus side view

Notoncus capitatus top view

Specimen labels



  • Scutellum in the form of a thick, rounded tumulus or oval process.
  • Propodeum distinctly, widely and rather coarsely striate, and largely subopaque throughout; dorsum of gaster generally densely punctulate (weakly so in some individuals) and with dense appressed pubescence; mandibles largely smooth and shining above, with coarse punctures.
  • Smaller species, maximum head width less than 1.6 mm; appressed pubescence present on all body tagmata, almost as thick on propodeum as on gaster, with density otherwise diminishing cephalad; head and mesosoma relatively finely sculptured, individual cephalic striae narrower than the diameter of an eye facet; propodeum rounded, not angular.

Keys including this Species


Latitudinal Distribution Pattern

Latitudinal Range: -15.75° to -37.07500076°.

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.


Association with Other Organisms

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  • This species is a mutualist for the aphid Aphis clerodendri (a trophobiont) (Carver et al., 2003; Saddiqui et al., 2019).


Images from AntWeb

Notoncus capitatus casent0106015 head 1.jpgNotoncus capitatus casent0106015 profile 1.jpgNotoncus capitatus casent0106015 dorsal 1.jpgNotoncus capitatus casent0106015 label 1.jpg
Worker. Specimen code casent0106015. Photographer Michael Branstetter, uploaded by California Academy of Sciences. Owned by UCDC, Davis, CA, USA.
Notoncus capitatus ANIC32-018938 w2head CAS0172025-Antwiki.jpgNotoncus capitatus ANIC32-018938 w2side CAS0172025-Antwiki.jpgNotoncus capitatus ANIC32-018938 w2top CAS0172025-Antwiki.jpgNotoncus capitatus ANIC32-018938 w2label CAS0172025-Antwiki.jpg
Specimen code CAS0172025-Antwiki.jpg. .
Notoncus capitatus ANIC32-018935 M head CAS0172031-Antwiki.jpgNotoncus capitatus ANIC32-018935 M side1 CAS0172031-Antwiki.jpgNotoncus capitatus ANIC32-018935 M side2 CAS0172031-Antwiki.jpgNotoncus capitatus ANIC32-018935 M gaster CAS0172031-Antwiki.jpgNotoncus capitatus ANIC32-018935 M top CAS0172031-Antwiki.jpgNotoncus capitatus ANIC32-018935 M label CAS0172031-Antwiki.jpg
Specimen code CAS0172031-Antwiki.jpg. .


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

  • capitatus. Notoncus capitatus Forel, 1915b: 90, pl. 1, fig. 8 (w.) AUSTRALIA. Junior synonym of enormis: Brown, 1955d: 489. Revived from synonymy and senior synonym of minor, mjobergi: Taylor, 1992a: 61.
  • mjobergi. Notoncus mjobergi Forel, 1915b: 91 (w.) AUSTRALIA. Junior synonym of enormis: Brown, 1955d: 489; of capitatus: Taylor, 1992a: 61.
  • minor. Notoncus capitatus var. minor Viehmeyer, 1925b: 139 (w.q.) AUSTRALIA. Junior synonym of enormis: Brown, 1955d: 489; of capitatus: Taylor, 1992a: 61.

Type Material



References based on Global Ant Biodiversity Informatics

  • Janda M., G. D. Alpert, M. L. Borowiec, E. P. Economo, P. Klimes, E. Sarnat, and S. O. Shattuck. 2011. Cheklist of ants described and recorded from New Guinea and associated islands. Available on Accessed on 24th Feb. 2011.