FIGURES 54–61 in Notes on the morphology, taxonomy, and natural history of the genus Platycerus Geoffroy from China, with the description of a new species (Coleoptera: Scarabaeoidea: Lucanidae)

FIGURES 54–61. Right eye and surrounding area of Platycerus in dorsal view in the same scale. 54—Platycerus yingqii, male; 55—Platycerus yingqii, female; 56—Platycerus kitawakii, male; 57—Platycerus kitawakii, female; 58—Platycerus rugosus, male; 59—Platycerus rugosus, female; 60—Platycerus hongwonpyoi mongolicus, male; 61—Platycerus hongwonpyoi mongolicus, female.