On three species of Plexippoides Prószyński, 1984 from Southwest, China (Araneae: Salticidae)

A new species of Plexippoides Prószyński, 1984 is described from Southwest China: P. qiui sp. nov. (♂♀). Plexippoides cornutus Xie & Peng, 1993 and P. meniscatus Yang, Zhu & Song, 2006 are re-described. The unknown female of P. cornutus Xie & Peng, 1993 is described for the first time. Diagnostic photos and a distributional map for the studied specimens of these species are provided.