Abstract:
                                      Four stag beetle species: 
Lucanus nangsarae Nangai, 
Lucanus vitalisi Pouillaude, 
Dorcus rubrolateris Nangai, and 
Odontolabis pareoxa Bomans & Ratti (Coleoptera: Lucanidae: Lucaninae) were newly recorded from Yunnan province, Southwest China. The morphological characteristics of the four species were re-described, the geographical locations of the four species were listed, and the four species were compared with related species. Colored plated for salient feature of each species were illustrated.