Baiyuerius digitus -species group
Diagnosis. Males of species in this group can be identified by 1) carapace light in color, abdomen and appendages covered with dense long hair (Fig. 22; fig. 5 in Zhao et al. 2023); 2) lateral tibial apophysis small (Fig. 21C; fig. 5C in Zhao et al. 2023); 3) dorsal margin of conductor without process (Fig. 21B; fig. 5B in Zhao et al. 2023); 4) the beginning of embolus as thick as embolic base, and with ventral slice (Fig. 21B; fig. 5B in Zhao et al. 2023).
Distribution. China (Guizhou Province and Yunnan Province).
Species included. Two species are included in this group: B. digitus sp. nov. and B. zhuping Zhao, B. Li & S. Q. Li, 2023 .