Myrmecia arnoldi

AntWiki: The Ants --- Online
Myrmecia arnoldi
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmeciinae
Tribe: Myrmeciini
Genus: Myrmecia
Species group: gulosa
Species: M. arnoldi
Binomial name
Myrmecia arnoldi
Clark, 1951

Myrmecia arnoldi casent0914017 p 1 high.jpg

Myrmecia arnoldi casent0914017 d 1 high.jpg

Specimen Labels


Myrmecia arnoldi, Myrmecia pavida and Myrmecia rubripes are all closely related and share a similar range.

Keys including this Species


Heterick (2009) - Southwestern WA to southern SA.

Latitudinal Distribution Pattern

Latitudinal Range: -31.63332939° to -35.1°.

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.




gulosa group

Myrmecia esuriens

Myrmecia midas

Myrmecia pulchra

Myrmecia mjobergi

Myrmecia regularis

Myrmecia forficata

Myrmecia brevinoda

Myrmecia erecta

Myrmecia pyriformis

Myrmecia browningi

Myrmecia sp.

Myrmecia analis

Myrmecia minuscula

Myrmecia comata

Myrmecia rowlandi

Myrmecia flavicoma

Myrmecia tarsata

Myrmecia tridentata

Myrmecia eungellensis

Myrmecia fabricii

Myrmecia athertonensis

Myrmecia auriventris

Myrmecia borealis

Myrmecia gulosa

Myrmecia forceps

Myrmecia simillima

Myrmecia arnoldi

Myrmecia fulgida

Myrmecia pavida

Myrmecia vindex

Myrmecia fuscipes

Myrmecia (near nigriceps)

Myrmecia desertorum

Myrmecia nigriceps

Myrmecia nigriceps

Myrmecia inquilina

nigrocincta group

Myrmecia flammicollis

Myrmecia petiolata

Myrmecia nigrocincta

picta group

Myrmecia fucosa

Myrmecia picta

Myrmecia infima

Myrmecia urens

apicalis group

Myrmecia apicalis

pilosula group

Myrmecia testaceipes

Myrmecia acuta

Myrmecia chasei

Myrmecia clarki

Myrmecia dispar

Myrmecia occidentalis

Myrmecia tepperi

Myrmecia elegans

Myrmecia varians

Myrmecia banksi

Myrmecia croslandi

Myrmecia impaternata

Myrmecia haskinsorum

Myrmecia pilosula

Myrmecia pilosula

Myrmecia (near pilosula)

Based on Mera-Rodríguez et al. (2023).


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

  • arnoldi. Myrmecia arnoldi Clark, 1951: 36, fig. 14 (w.) AUSTRALIA (Western Australia).
    • Type-material: holotype worker, paratype workers (number not stated).
    • Type-localities: holotype + paratypes Australia: Western Australia, Emu Rock, v.1926 (A. Arnold), Western Australia, Ravensthorpe, xii.1947 (T. Greaves).
    • [Note: original description gives no indication which series contains the holotype, but Taylor & Brown, 1985: 6, cite Emu Rock.]
    • Type-depository: ANIC.
    • Wheeler, G.C. & Wheeler, J. 1971d: 246 (l.).
    • Status as species: Taylor & Brown, 1985: 6; Taylor, 1987a: 41; Ogata, 1991a: 358; Ogata & Taylor, 1991: 1637 (in key); Bolton, 1995b: 270; Heterick, 2009: 121.
    • Distribution: Australia.

Type Material



  • 2n = 53 (Australia) (Hirai et al., 1996).
  • 2n = 55 (Australia) (Hirai et al., 1996).
  • 2n = 57 (Australia) (Hirai et al., 1996).
  • 2n = 59 (Australia) (Hirai et al., 1996).
  • 2n = 60 (Australia) (Hirai et al., 1996).
  • 2n = 64 (Australia) (Hirai et al., 1996).
  • 2n = 66 (Australia) (Hirai et al., 1996).
  • 2n = 60 (Australia) (Meyne et al., 1995).


References based on Global Ant Biodiversity Informatics

  • 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.