Polyrhachis trapezoidea

The known distribution of P. trapezoidea extends from Torres Strait south to about Gladstone, with reports of its occurrence in the northern part of the Northern Territory (Andersen, 2000). Polyrhachis trapezoidea is relatively common in open eucalypt forests and savannah woodlands and, like most of other Hagiomyrma species, nests in the ground.

Identification
Polyrhachis trapezoidea is very similar to Polyrhachis aurora with the main distinguishing characters given in the remarks under the latter species.

Distribution based on Regional Taxon Lists
Australasian Region: Australia.

Nomenclature

 *  trapezoidea. Polyrhachis trapezoidea Mayr, 1876: 72 (w.q.m.) AUSTRALIA. Combination in P. (Hagiomyrma): Forel, 1915b: 108. Subspecies of ammon: Forel, 1915b: 108. Revived status as species: Emery, 1925b: 185; Taylor & Brown, D.R. 1985: 142.

Additional References

 * Kohout, R.J. 2013. Revision of Polyrhachis (Hagiomyrma) Wheeler, 1911 (Insecta: Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum, Nature 56, 487-577.