The legend of his macropenis has been so persistent that a kind of ground beetles, which can be found in the mountains of Osaka and Nara and have an extremely big penis compared to the length of body, were therefore named 'Dokyo Osamushi.'
道鏡の巨根伝説は根強く、大阪・奈良の山中に生息する体長に比して非常に大きな交接器を持つオサムシの一種が「ドウキョウオサムシ」と命名されている。