Pheidole quadrispinosa

Distribution
This taxon was described from Indonesia (Salwatty Island).

Nomenclature

 * armatus. Pheidolacanthinus armatus Smith, F. 1865: 75, pl. 4, fig. 8 (s.) NEW GUINEA. Junior synonym of quadrispinosa: Donisthorpe, 1938a: 144.
 *  quadrispinosa. Myrmica quadrispinosa Smith, F. 1865: 72, pl. 4, fig. 6 (w.) INDONESIA (Salwatty I.). Donisthorpe, 1941b: 38 (q.m.). Combination in Pheidole: Mayr, 1878: 677; in P. (Pheidolacanthinus): Emery, 1921f: 82. Senior synonym of smithi (unnecessary replacement name): Dalla Tore, 1893: 95; of armatus: Donisthorpe, 1938a: 144.
 * smithi. Pheidole smithi Emery, 1887b: 464. [Unnecessary replacement name for quadrispinosa.] Junior synonym of quadrispinosa: Dalla Torre, 1893: 95.

Myrmica quadrispinosa

Holotype worker minor in. Labelled “S” (= Salwatty I.).

Pheidolacanthinus armatus

Holotype worker major in. Labelled “S.” (= Salwatty I.).