Arnoldius pusillus

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) Specimen Labels
Subspecies
Arnoldius pusillus aequalis Forel, 1902

Distribution

Distribution based on Regional Taxon Lists

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

Distribution based on AntMaps

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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.

Castes

Worker

Images from AntWeb

Worker. Specimen code casent0103287. Photographer April Nobile, uploaded by California Academy of Sciences.	Owned by MHNG, Geneva, Switzerland.

Syntype of Tapinoma pusillum. Worker. Specimen code casent0915545. Photographer Z. Lieberman, uploaded by California Academy of Sciences.	Owned by NHMW, Vienna, Austria.

Queen

Images from AntWeb

Queen (alate/dealate). Specimen code casent0103281. Photographer April Nobile, uploaded by California Academy of Sciences.	Owned by MHNG, Geneva, Switzerland.

Nomenclature

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).
  • Type-material: syntype workers, syntype queens, syntype males (numbers not stated).
  • [Note: Shattuck, 1994: 36, cites 2w, 4q syntypes MHNG.]
  • Type-localities: Australia: Queensland, Rockhampton (no collector’s name), New South Wales, Sydney (no collector’s name).
  • Type-depositories: MHNG, NHMW.
  • 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.
  • Distribution: Australia.
  • 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.

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

References

• 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.