Ischyropalpus subtilissimus
Duquesne Road
Santa Cruz County, Arizona
Coordinates: 31.386071, -110.711714
Elevation: 5,899 ft
March 19, 2023
Size: 2.5 mm
Found by sifting leaf litter
Determined by Salvador Vitanza
Confirmed by Donald S. Chandler who said: “A male, and the ventral view shows the characters necessary to be decisive. Mesotrochanters spinose and metatrochanters with rounded lobe.”