Pogonomyrmex coarctatus

Identification
Key to South American Pogonomyrmex

Distribution based on Regional Taxon Lists
Neotropical Region: Argentina, Brazil, Uruguay.

Nomenclature

 *  coarctatus. Pogonomyrmex coarctatus Mayr, 1868b: 170 (w.) ARGENTINA. Mayr, 1887: 614 (q.); Bruch, 1917a: 303 (m.). Senior synonym of striaticeps: Kusnezov, 1951a: 253. See also: Gallardo, 1932b: 150.
 * striaticeps. Pogonomyrmex coarctatus var. striaticeps Emery, 1906c: 157 (footnote) (w.) ARGENTINA. Junior synonym of coarctatus: Kusnezov, 1951a: 253.