Fig. 1

The habitat of B. t. bedfordi and distribution of samples. The map of China was based on the standard map service system GS (2019)1673 of the Ministry of Natural Resources (http://bzdt.ch.mnr.gov.cn/index.html) and the map of Shaanxi Province was based on Shaanxi Provincial Platform for Common GeoSpatial Information Services (http://shaanxi.tianditu.gov.cn. The base map has not been modified