Myrmecia arnoldi

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 Specimen Labels

Identification

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

Keys including this Species

• Key to Australian Myrmecia Species
• Key to Myrmecia of the southwestern Australian Botanical Province

Distribution

Heterick (2009) - Southwestern WA to southern SA.

Latitudinal Distribution Pattern

Latitudinal Range: -31.63332939° to -35.1°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

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.

Phylogeny

Myrmecia

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).

Nomenclature

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

• Holotype, worker, Emu Rock, Western Australia, Australia, Reynolds,H., ANIC32-005942, Australian National Insect Collection.

Description

Karyotype

• See additional details at the Ant Chromosome Database.

 Explore: Show all Karyotype data or Search these data. See also a list of all data tables or learn how data is managed.

• 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

• Clark, J. 1951. The Formicidae of Australia. Vol. 1. Subfamily Myrmeciinae. Melbourne: CSIRO, 230 pp. (page 36, fig. 14 worker described)
• Heterick, B. E. 2009. A guide to the ants of South-western Australia. Records of the Western Australian Museum, Supplement 76:1-206.
• Heterick, B.E. 2021. A guide to the ants of Western Australia. Part I: Systematics. Records of the Western Australian Museum, Supplement 86, 1-245 (doi:10.18195/issn.0313-122x.86.2021.001-245).
• Heterick, B.E. 2022. A guide to the ants of Western Australia. Part II: Distribution and biology. Records of the Western Australian Museum, supplement 86: 247-510 (doi:10.18195/issn.0313-122x.86.2022.247-510).
• Mera-Rodríguez, D., Jourdan, H., Ward, P.S., Shattuck, S., Cover, S.P., Wilson, E.O., Rabeling, C. 2023. Biogeography and evolution of social parasitism in Australian Myrmecia bulldog ants revealed by phylogenomics. Molecular Phylogenetics and Evolution 186, 107825 (doi:10.1016/j.ympev.2023.107825).
• Wheeler, G. C.; Wheeler, J. 1971d. Ant larvae of the subfamily Myrmeciinae (Hymenoptera: Formicidae). Pan-Pac. Entomol. 47: 245-256 (page 246, larva described)

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.