Specimens have been collected from fogging samples in forest with a cacao understory.
A member of the Polyrhachis hector species group.
Kohout (2008) - Sulawesian specimens are generally smaller than those from Java and Borneo (HL 2.15-2.46 versus HL 2.40-2.68) but they are otherwise identical.
Keys including this Species
Kohout (2008) - This is a very characteristic, relatively rare species that is known from both Java and Borneo. It was reported from Sulawesi by Emery (1901: 569) but the workers from Lore Lindu and Dumoga-Bone National Parks are the only specimens I have seen from the island.
Distribution based on Regional Taxon Lists
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- pressa. Polyrhachis pressus Mayr, 1862: 681 (w.q.) INDONESIA (Java). Combination in P. (Myrmhopla): Wheeler, W.M. 1919e: 130.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Kohout (2008) - Syntype workers, queen. INDONESIA, JAVA, Batavia (= Jakarta) (Novara), Naturhistorisches Museum Wien, Vienna (examined).
- Kohout, R.J. 2008a. A review of the Polyrhachis ants of Sulawesi with keys and descriptions of new species (Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum. 52:255-317. PDF
- Mayr, G. 1862. Myrmecologische Studien. Verh. K-K. Zool.-Bot. Ges. Wien 12: 649-776 (page 681, worker, queen described)
- Wheeler, W. M. 1919f. The ants of Borneo. Bull. Mus. Comp. Zool. 63: 43-147 (page 130, Combination in P. (Myrmhopla))