Four Newly Recorded Species of Stag Beetles from Southwest China （Coleoptera: Lucanidae: Lucaninae）

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.