Neivamyrmex pilosus

Identification
Key to the Neivamyrmex species of the United States

Distribution
United States: Arkansas and Mississippi west to southern Arizona; Mexico: border states south to Chiapas; south to Brazil and Paraguay.

Distribution based on Regional Taxon Lists
Nearctic Region: United States. Neotropical Region: Argentina, Brazil, French Guiana, Guatemala, Guyana, Honduras, Paraguay, Peru, Suriname, Trinidad and Tobago, Venezuela.

Nomenclature

 *  pilosus. Eciton pilosa Smith, F. 1858b: 151 (w.) BRAZIL. Reichensperger, 1939: 297 (q.); Smith, M.R. 1942c: 544 (m.); Wheeler, G.C. 1943: 331 (l.); Wheeler, G.C. & Wheeler, J. 1984: 273 (l.). Combination in E. (Acamatus): Emery, 1894c: 183 (in key); in E. (Neivamyrmex): Smith, M.R. 1942c: 544; in Neivamyrmex: Borgmeier, 1953: 8. Senior synonym of angustius, porrectognathum: Borgmeier, 1955: 361; of beebei: Snelling, G.C. & Snelling, R.R., 2007: 488.
 * angustius. Eciton pilosum var. angustius Forel, 1909a: 256 (w.) PARAGUAY. Combination in Neivamyrmex: Borgmeier, 1953: 8. Junior synonym of pilosus: Borgmeier, 1955: 361.
 * beebei. Eciton (Acamatus) pilosum var. beebei Wheeler, W.M. 1921d: 312, fig. 7 (w.m.) GUYANA. Combination in Neivamyrmex: Borgmeier, 1953: 19. Subspecies of pilosus: Borgmeier, 1953: 19; Borgmeier, 1955: 373. Junior synonym of pilosus: Snelling, G.C. & Snelling, R.R., 2007: 488.
 * porrectognathum. Eciton (Acamatus) porrectognathum Borgmeier, 1933d: 167 (m.) BRAZIL. Combination in Neivamyrmex: Borgmeier, 1953: 5. Subspecies of pilosus: Borgmeier, 1953: 5. Junior synonym of pilosus: Borgmeier, 1955: 361.