This genus is not in use as it is currently considered to be a junior synonym of Brachymyrmex.
The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants. Barry continually updates his Catalogue and thus the following information reflects an up-to-date accounting of ant taxonomy. We are indebted to Barry for making this information available.
There are two species of Brachymyrmex (Bryscha) originally assigned to this subgenus, B. micromegas and B. pilipes. These two species are dimorphic with soldiers and workers.
- Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 101, Bryscha as junior synonym of Brachymyrmex)
- Brown, W. L., Jr. 1973b. A comparison of the Hylean and Congo-West African rain forest ant faunas. Pp. 161-185 in: Meggers, B. J., Ayensu, E. S., Duckworth, W. D. (eds.) Tropical forest ecosystems in Africa and South America: a comparative review. Wash (page 179, Bryscha as junior synonym of Brachymyrmex (provisional))
- Santschi, F. 1923b. Revue des fourmis du genre Brachymyrmex Mayr. An. Mus. Nac. Hist. Nat. B. Aires 31: 650-678 (page 652, Bryscha as subgenus of Brachymyrmex)
- Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V., Hurd, P. D., Smith, D. R., Burks, B. D. (eds.) Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Pr (page 1424, Bryscha as junior synonym of Brachymyrmex)