Arnoldius pusillus

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Arnoldius pusillus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Dolichoderinae
Genus: Arnoldius
Species: A. pusillus
Binomial name
Arnoldius pusillus
(Mayr, 1876)

Arnoldius pusillus casent0909577 p 1 high.jpg

Arnoldius pusillus casent0909577 d 1 high.jpg

Specimen Labels




Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).
Indo-Australian Region: Solomon Islands.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb






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

  • pusillus. Tapinoma pusillum Mayr, 1876: 83 (w.q.m.) AUSTRALIA (New South Wales).
    • Wheeler, G.C. & Wheeler, J. 1951: 189 (l.); Imai, Crozier & Taylor, 1977: 345 (k.).
    • Combination in Bothriomyrmex: Forel, 1879a: 127;
    • combination in Arnoldius: Heterick & Shattuck, 2011: 166.
    • Status as species: Dalla Torre, 1893: 170; Forel, 1902h: 476; Emery, 1913a: 28; Clark, 1938: 374; Taylor & Brown, 1985: 92; Taylor, 1987a: 9; Shattuck, 1994: 35; Bolton, 1995b: 81; Sarnat, et al. 2013: 69.
    • Current subspecies: nominal plus aequalis.

Type Material

  • Tapinoma pusillum Mayr, 1876: Syntype, 2 workers, 4 queens, Queensland, Australia, Musee d'Histoire Naturelle Genève.
  • Tapinoma pusillum Mayr, 1876: Syntype, worker(s), queen(s), male(s), Rockhampton, Queensland and Sydney, New South Wales, Australia.



  • 2n = 22 (Australia) (Imai et al., 1977) (as Bothriomyrmex pusillus).


  • Heterick, B.E. & Shattuck, S.O. 2011. Revision of the ant genus Iridomyrmex. Zootaxa 2845: 1-175.

References based on Global Ant Biodiversity Informatics

  • Brown E.S. 1959. Immature nutfall of coconuts in the Solomon Islands. II. Changes in ant populations, and their relation to vegetation. Bulletin of Entomological Research 50: 523-558.
  • Clark J. 1938. The Sir Joseph Banks Islands. Reports of the McCoy Society for Field Investigation and Research. Part 10. Formicidae (Hymenoptera). Proceedings of the Royal Society of Victoria (n.s.)50: 356-382.
  • 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.