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Sierra shieldback

Neduba sierranus

distribution map for Neduba sierranus
Black dots show county records prior to 2021; red dots show county records from
Cole et al. 2021
; shaded area shows likely general distribution.

This species occurs on the western slope of the Central Sierra Nevada of California, between the Merced and Mokelumne River watersheds in the vicinity of Yosemite National Park (Cole et al. 2021, pp. 57-59). The counties are Amador, Calaveras, Tuolumne, Mariposa, and Medera (from north to south).