Eupatorus endoi Nagai, 1999

The species was described by Shinji Nagai in 1999 based on specimens that collected from South Vietnam. Not same to other species of the genus, the species is small size and about the size of species of Xylotrupes genus.
The male of the species distinguished with 2 horns on the pronotum, the horn of the head vary with bifid or point apex.
The type locality of the species is Lam Dong Province, South Center of Vietnam.

Male of Eupatorus endoi in difference point of views