A small jumping mouse recorded in the high mountains of Sichuan and Qinghai, China. It has a brownish-yellow stripe on the chest, and abdominal hairs that are white at the base with yellowish tips. Specimens reported in 2025 were collected at elevations of 3,037–4,152 m. At Rangtang in Sichuan, an individual was collected from a field bank with low bushes in farmland.
The study describes a brownish-yellow stripe along the chest and abdominal hairs that are white at the base with yellowish tips.
In June 2004, one male was collected from a field bank in an agricultural area at Rangtang, Sichuan, China. The site was at 3,421 m elevation, with bushes no more than 50 cm tall.
At this Rangtang survey site, it occurred in a small-mammal assemblage dominated by the Korean field mouse, Apodemus peninsulae.
Examination of the digestive tract of this male, from stomach to caecum, found no cestode or nematode worms.
An extinction-risk assessment has not been added yet.