Monomorium bicolor

Distribution
This taxon was described from Ethiopia.

Nomenclature

 *  bicolor. Monomorium bicolor Emery, 1877b: 368 (w.) ETHIOPIA. Mayr, 1901b: 7 (q.). Combination in M. (Xeromyrmex): Wheeler, W.M. 1922a: 868. Subspecies of subopacum: Santschi, 1927d: 244; Santschi, 1935b: 268. Revived status as species: Santschi, 1937d: 222; Bolton, 1987: 338. Senior synonym of coerulescens: Santschi, 1914d: 353 (in key); Bolton, 1987: 338; of aequatoriale, rufibasis, uelense, tropicale: Bolton, 1987: 338. Current subspecies: nominal plus judaicum.
 * coerulescens. Monomorium bicolor var. coerulescens Santschi, 1912c: 148 (w.) DJIBOUTI. Junior synonym of bicolor: Santschi, 1914d: 353 (in key); Bolton, 1987: 338.
 * rufibasis. Monomorium bicolor var. rufibasis Santschi, 1914d: 353 (diagnosis in key) (w.) EGYPT. Santschi, 1927d: 244 (q.m.). [Misspelled as rufobasalis by Santschi, 1926b: 240.] Junior synonym of bicolor: Bolton, 1987: 338.
 * aequatoriale. Monomorium (Xeromyrmex) bicolor var. aequatoriale Santschi, 1926b: 240 (w.) CAMEROUN. Junior synonym of bicolor: Bolton, 1987: 338.
 * tropicale. Monomorium (Xeromyrmex) bicolor var. tropicale Santschi, 1926b: 240 (w.q.m.) DEMOCRATIC REPUBLIC OF CONGO. Junior synonym of bicolor: Bolton, 1987: 338.
 * uelense. Monomorium (Xeromyrmex) bicolor var. uelense Santschi, 1926b: 239 (w.) DEMOCRATIC REPUBLIC OF CONGO. [Misspelled as uluense by Santschi, 1926b: 240.] Junior synonym of bicolor: Bolton, 1987: 338.