This species is endemic to Amami-Oshima and Tokunoshima Islands. In the Ryukyu Chain, stag beetles of the genus Neolucanus have speciated into 4 species and 2 subspecies, including N. okinawanus on Okinawa Island, N. insulicola and N. insullaris on Iriomote Island.
Red List of the Ministry of the Environment
*Threatened II (VU)Species facing a growing risk of extinction