Ahrens, D. 2004: Redescription and Lectotype Designation for Emphania chloris Burmeister, 1855 and Heptomera metallica Blanchard, 1850 (Coleoptera, Scarabaeidae, Sericini). - Beitr├Ąge Zur Entomologie = Contributions to Entomology 54(1): 37-41 - doi: 10.21248/contrib.entomol.54.1.37-41