Epyris nitidiceps Cameron, 1888:451, ♂♀. ♂, ♀, Panama, Volcan de Chiriqui 2500 to 4000 feet (leg. Champion); Evans, 1969Evans, H.E. 1969. A revision of the genus Epyris in the Americas (Hymenoptera: Bethylidae). Transactions of the American Entomological Society 95 (2):181-352.:318, Plesiallotype ♂ (USNM); Evans, 1969Evans, H.E. 1969. A revision of the genus Epyris in the Americas (Hymenoptera: Bethylidae). Transactions of the American Entomological Society 95 (2):181-352.:317, Type ♀ (BMNH). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl.:451 (listed); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution); Evans, 1964Evans, H.E. 1964. A synopsis of the american Bethylidae (Hymenoptera, Aculeata). Bulletin of the Museum of Comparative Zoology 132 (1):1-222. (distribution); Evans, 1969Evans, H.E. 1969. A revision of the genus Epyris in the Americas (Hymenoptera: Bethylidae). Transactions of the American Entomological Society 95 (2):181-352. (distribution); Murgas & González, 2006Santos Murgas, A. & P.E. González D. 2006. Dostrobicón de especies de la subfamilia Epyrinae (Hymenoptera: Bethylidae) en Panamá. Tecnociencia 8 (2):37-50. (distribution).