Monomorium bidentatum

Distribution
This taxon was described from Chile. It is also found in Argentina.

Nomenclature

 *  bidentatum. Monomorium bidentatum Mayr, 1887: 616 (w.q.) CHILE. Snelling, R.R. 1975: 5 (m.); Wheeler, G.C. & Wheeler, J. 1980: 533 (l.). Combination in Monomorium (Notomyrmex): Emery, 1922e: 169; in Notomyrmex: Kusnezov, 1960b: 345; in Nothidris: Ettershank, 1966: 107; in Antichthonidris: Snelling, R.R. 1975: 6; in Monomorium: Fernández, 2007b: 132. Senior synonym of piceonigrum: Kusnezov, 1960b: 345. See also: Kusnezov, 1949a: 431. [Note. If the dubious combination of bidentata Smith, F. in Monomorium (above) is correct then bidentatum Mayr, 1887 becomes an unresolved junior secondary homonym of bidentata Smith, F. 1858.]
 * piceonigrum. Monomorium (Notomyrmex) bidentatum subsp. piceonigrum Borgmeier, 1948b: 468, figs. 16, 17 (w.) ARGENTINA. Junior synonym of bidentatum: Kusnezov, 1960b: 345.