Ephialtias bryce is a moth of the family Notodontidae. It is endemic to the basin of the Rio Tapajos in Brazil.Miller, J. S. (2009). Generic revision of the Dioptinae (Lepidoptera: Noctuoidea: Notodontidae) Part 1: Dioptini. Bulletin of the American Museum of Natural History, 2009(321), 1-674.
References
External links Species page at Tree of Life project