Costa Rican members of the Chrysoxena group of genera are reviewed and illustrated. Three of the six genera that comprise the group are found in Costa Rica: Dorithia Powell, 1964 (three species), Cuproxena Powell and Brown, 1991 (ten species), and ThoridiaBrown, 1991 (one species). Five new species of Cuproxena are described: C. altimana, new species; C. casonana, new species; C. obscura, new species; C. monumenta, new species; and C. amistada, new species; along with one new species of Dorithia: D. phillipsae, new species. The male of Cuproxena neonereidana Brown and the female of Thoridia veirsi Brown are illustrated for the first time.