Crematogaster impressa

Distribution
This taxon was described from Cameroun. It is also found in Guinea, Gambia and Ivory Coast.

Nomenclature

 *  impressa. Crematogaster impressa Emery, 1899e: 486 (w.q.) CAMEROUN. Forel, 1916: 408 (m.). Combination in C. (Acrocoelia): Emery, 1922e: 147; in C. (Crematogaster): Bolton, 1995b: 166. Subspecies of buchneri: Forel, 1916: 411; of excisa: Wheeler, W.M. 1922a: 153. Revived status as species: Emery, 1922e: 147; Santschi, 1935a: 257. Senior synonym of andrei: Santschi, 1937b: 98. Current subspecies: nominal plus brazzai, maynei, sapora.
 * andrei. Crematogaster excisa subsp. andrei Forel, 1911f: 277 (w.q.) DEMOCRATIC REPUBLIC OF CONGO. Combination in C. (Acrocoelia): Emery, 1922e: 147. Subspecies of excisa: Forel, 1913a: 126; Wheeler, W.M. 1922a: 836; Santschi, 1928d: 63; of impressa: Santschi, 1913a: 412 (in key); Santschi, 1935a: 257. Junior synonym of impressa: Santschi, 1937b: 98.