Taxon - Links and literature
LUCANIDAE OF THE WORLD - Genera AND CATALOGUE [http://www.bio-nica.info/Lucanidae/0-Gen...] [as Nicagus japonicus Nagel, 1928]
A new species of stag beetle from sand dunes in west Texas, and a synopsis of the genus Nicagus (Coleoptera: Lucanidae: Aesalinae: Nicagini), Magnolia Press [as Nicagus japonicus Nagel, 1928]