Lucanus maculifemoratus is a beetle of the family Lucanidae. This species is known as Miyama stag beetle, or deep mountain stag beetle, in Japan. These beetles have a light covering of golden hair on their back, mostly around the rear edges.
Lucanus maculifemoratus is known from northeastern Asia, including Japan, Korea, China and Russia, Taiwan.
L.dybowski was considered a sub-species of L.maculifemoratus but is now considered an independent species.