Description: English: Dascillus davidsoni photographed on the Mt. Diablo observation deck in Contra Costa County. Date: 22 April 2021, 14:39:33. Source: Own work. Author: Janna Layton. Camera location37° 52′ 54.17″ N, 121° 54′ 52.06″ WView all coordinates using: OpenStreetMap 37.881714; -121.914461.