Polyrhachis arcuata

Identification
Kohout (2008) - There are two members of the subgenus Chariomyrma present in Sulawesi:


 * Pronotal humeri toothed; propodeal spines relatively short, mostly straight, distinctly diverging . . . . . Polyrhachis arcuata


 * Pronotal humeri narrowly rounded; propodeal spines longer, weakly curved posteriorly, subparallel, with tips curved weakly outwards (in copal) . . . . . Polyrhachis inclusa

Distribution based on Regional Taxon Lists
Australasian Region: Australia. Indo-Australian Region: Borneo, Indonesia, Krakatau Islands, Malaysia, Philippines, Sulawesi. Oriental Region: Thailand.

Nomenclature

 *  arcuata. Formica arcuata Le Guillou, 1842: 315 (w.q.) BORNEO. Combination in Polyrhachis: Mayr, 1863: 443; in P. (Chariomyrma): Viehmeyer, 1916a: 166. Junior synonym of latreillei: Dalla Torre, 1893: 264; Emery, 1896d: 380. Revived from synonymy and senior synonym of latifrons (and its junior synonym modiglianii): Emery, 1897d: 583; of continentis: Kohout, 1998: 510. Current subspecies: nominal plus acutinota, aruana.
 * latifrons. Polyrhachis latifrons Roger, 1863a: 155 (w.) INDONESIA (Bintang I.). Senior synonym of modiglianii: Emery, 1895g: 357. Junior synonym of arcuata: Emery, 1897d: 583.
 * modiglianii. Polyrhachis modiglianii Emery, 1888a: 529, pl. 9, fig. 1 (w.) INDONESIA (Sumatra). Junior synonym of latifrons: Emery, 1895g: 357.
 * continentis. Polyrhachis arcuata var. continentis Forel, 1905b: 179 (w.) WEST MALAYSIA. Combination in P. (Chariomyrma): Emery, 1925b: 186. Junior synonym of arcuata: Kohout, 1998: 510.

Type Material
Kohout (2008) - Syntype queen, worker. BORNEO (for queen), NORTH AUSTRALIA (for worker) (locality for worker evidently erroneous), ? (types presumed lost).



References based on Global Ant Biodiversity Informatics

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 * Robson Simon Database Polyrhachis -05 Sept 2014
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