Polyrhachis rugifrons

Specimens have been collected from various forest habitats and from 140-1080 m in elevation.

Identification
A member of the sexspinosa species group.

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

Nomenclature

 *  rugifrons. Polyrhachis rugifrons Smith, F. 1860a: 70 (w.q.) INDONESIA (Sulawesi). Combination in P. (Myrmhopla): Wheeler, W.M. 1919e: 130. Subspecies of sexspinosa: Emery, 1897d: 591. Revived status as species: Wheeler, W.M. 1919e: 130; Emery, 1925b: 191; Karavaiev, 1927e: 25. See also: Bolton, 1975c: 11.

Type Material
One worker syntype and one dealate queen syntype in. Labelled “Mak.” (= Makassar, Sulawesi), the queen with a Donisthorpe type-label.