Polyrhachis saevissima

This species has been found in a variety of forest habitats (mangrove, natural, agro) and up to 1200 m in elevation.

Identification
A member of the Polyrhachis armata species group.

Kohout (2008) - In view of its widespread distribution and variability, P. saevissima is either a single species with numerous variable, local populations, or it may be a complex of a number of closely related species.

Distribution based on Regional Taxon Lists
Indo-Australian Region: Borneo, Indonesia, Malaysia, Philippines, Singapore, Sulawesi. Oriental Region: India.

Nomenclature

 * acantha. Polyrhachis acantha Smith, F. 1860b: 98, pl. 1, fig. 16 (w.) INDONESIA (Batjan I.). Combination in P. (Myrmhopla): Wheeler, W.M. 1919e: 132. Junior synonym of dives: Mayr, 1879: 649; Wheeler, W.M. 1919e: 132. Revived from synonymy: Emery, 1925b: 194; Karavaiev, 1927e: 33. Junior synonym of saevissima: Bolton, 1974b: 178.
 * acasta. Polyrhachis acasta Smith, F. 1860b: 100, pl. 1, fig. 23 (w.) INDONESIA (Batjan I.). Combination in P. (Myrmhopla): Emery, 1925b: 194. Subspecies of acantha: Emery, 1900d: 717. Revived status as species: Forel, 1901b: 33. Junior synonym of tibialis: Bingham, 1903: 397. Revived from synonymy as subspecies of acantha: Emery, 1925b: 194. Junior synonym of saevissima: Bolton, 1974b: 178.
 *  saevissima. Polyrhachis saevissimus Smith, F. 1860a: 71 (w.) INDONESIA (Sulawesi). Combination in P. (Myrmhopla): Emery, 1925b: 197. Senior synonym of acantha, acasta: Bolton, 1974b: 178. Current subspecies: nominal plus argentea, chrysophanes, kerri, timorensis.

Type Material
Kohout (2008) - Holotype worker. INDONESIA, SULAWESI, Makassar (A. R. Wallace), (examined).

References based on Global Ant Biodiversity Informatics

 * Andersen A. N., R. J. Kohout, and C. R. Trainor. 2013. Biogeography of Timor and Surrounding Wallacean Islands: Endemism in Ants of the Genus Polyrhachis Fr. Smith. Diversity 5: 139-148.
 * Bolton B. 1974. New synonymy and a new name in the ant genus Polyrhachis F. Smith (Hym., Formicidae). Entomol. Mon. Mag. 109: 172-180
 * Chapman, J. W., and Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monogr. Inst. Sci. Technol. Manila 1: 1-327
 * Dahl F. 1901. Das Leben der Ameisen im Bismarck-Archipel, nach eigenen Beobachtungen vergleichend dargestellt. Mitt. Zool. Mus. Berl. 2: 1-70.
 * Emery C. 1886. Saggio di un catalogo sistematico dei generi Camponotus, Polyrhachis e affini. Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna 5: 363-382
 * Emery C. 1901. Formiciden von Celebes. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 14:565-580.
 * Emery C. 1911. Formicidae. Résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée en 1903 sous les auspices de Arthur Wichmann. Nova Guinea 5: 531-539.
 * Emery, C. "Formiche raccolte da Elio Modigliani in Sumatra, Engano e Mentawei." Annali del Museo Civico di Storia Naturale Giacomo Doria (Genova) (2) 20, no. 40 (1900): 661-722.
 * Forel A. 1895. Les Formicides de l'Empire des Indes et de Ceylan. Part V. J. Bombay Nat. Hist. Soc. 9: 453-472.
 * Forel A. 1901. Formiciden aus dem Bismarck-Archipel, auf Grundlage des von Prof. Dr. F. Dahl gesammelten Materials. Mitt. Zool. Mus. Berl. 2: 4-37.
 * Hashimoto Y., Y. Morimoto, E. S. Widodo, and M. Mohamed. 2006. Vertical distribution pattern of ants in a Bornean tropical rainforest (Hymenoptera: Formicidae). Sociobiology 47(3): 697- 710.
 * Kohout R.J. 2008. A new Polyrhachis (Myrma) vestita-group species from Sulawesi. Zoologische Mededeelingen, Leiden 82: 297-302.
 * Kohout R.J., and M. Mohamed. 2008. A preliminary list of the Polyrhachis ants of the Maliau Basin Conservation area in Sabah, Borneo (Hymenoptera: Formicidae: Formicinae). Asian Myrmecology 2: 63-70.
 * Kohout, R. J. 2008. 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.
 * Pfeiffer M.; Mezger, D.; Hosoishi, S.; Bakhtiar, E. Y.; Kohout, R. J. 2011. The Formicidae of Borneo (Insecta: Hymenoptera): a preliminary species list. Asian Myrmecology 4:9-58
 * Robson Simon Ant Collection, 05-Sept-2014
 * Robson Simon Database Polyrhachis -05 Sept 2014
 * Smith F. 1863. Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the islands of Mysol, Ceram, Waigiou, Bouru and Timor. Journal and Proceedings of the Linnean Society of London. Zoology 7: 6-48.
 * Smith F. 1865. Descriptions of new species of hymenopterous insects from the islands of Sumatra, Sula, Gilolo, Salwatty, and New Guinea, collected by Mr. A. R. Wallace. Journal and Proceedings of the Linnean Society of London. Zoology 8: 61-94.
 * Smith, Fr. "Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the Islands of Bachian, Kaisaa, Amboyna, Gilolo, and at Dory in New Guinea." Journal of the Proceedings of the Linnean Society of London, Zoology 5 (1860): 93-143.
 * Viehmeyer H. 1912. Ameisen aus Deutsch Neuguinea gesammelt von Dr. O. Schlaginhaufen. Nebst einem Verzeichnisse der papuanischen Arten. Abhandlungen und Berichte des Königlichen Zoologischen und Anthropologische-Ethnographischen Museums zu Dresden 14: 1-26.
 * Wheeler W.M. 1935. Check list of the ants of Oceania. Occasional Papers of the Bernice Pauahi Bishop Museum 11(11):1-56.
 * Wheeler, William Morton.1935.Checklist of the Ants of Oceania.Occasional Papers 11(11): 3-56
 * Zryanin V. A. 2011. An eco-faunistic review of ants (Hymenoptera: Formicidae). In: Structure and functions of soil communities of a monsoon tropical forest (Cat Tien National Park, southern Vietnam) / A.V. Tiunov (Editor). – M.: KMK Scientific Press. 2011. 277 р.101-124.