Cephalotes pusillus

Distribution
This taxon was described from Brazil.

Nomenclature

 * elongatus. Cryptocerus elongatus Klug, 1824: 214 (q.) BRAZIL. Smith, F. 1860c: 75 (w.); Smith, F. 1862d: 409 (s.). Junior synonym of pusillus: Roger, 1862c: 297; Kempf, 1951: 176.
 *  pusillus. Cryptocerus pusillus Klug, 1824: 202 (w.) BRAZIL. Emery, 1890b: 75 (s.q.); Emery, 1896h: 636 (m.); Wheeler, G.C. & Wheeler, J. 1954b: 156 (l.). Combination in Cryptocerus (Paracryptocerus): Emery, 1915i: 192; in Paracryptocerus: Kempf, 1951: 176; in Zacryptocerus: Brandão, 1991: 388; in Cephalotes: Baroni Urbani, 1998: 316; De Andrade & Baroni Urbani, 1999: 172. Senior synonym of elongatus: Roger, 1862c: 297; of obtusus: Forel, 1911e: 262; of caustica: Emery, 1924d: 307; of brevispinosa and material of the unavailable name rufescens referred here: Kempf, 1951: 176.
 * caustica. Formica caustica Kollar, in Pohl & Kollar, 1832: 17, fig. 12 (w.) BRAZIL. Combination in Cryptocerus: Guérin-Méneville, 1844a: 426. Junior synonym of minutus: Emery, 1890b: 74; Forel, 1895b: 134; of pusillus: Emery, 1924d: 307; Kempf, 1951: 176.
 * obtusus. Cryptocerus obtusus Smith, F. 1858b: 191 (w.) BRAZIL. Junior synonym of pusillus: Forel, 1911e: 262.
 * brevispinosa. Cryptocerus pusillus var. brevispinosa Santschi, 1921h: 127, fig. 2 (w.) ARGENTINA. Junior synonym of pusillus: Kempf, 1951: 176.