Pena Blanca Lake, Santa Cruz County, Arizona
Coordinates: 31.399678, -111.088889
Elevation: 3,870 ft
September 15, 2020
Size: 3.5 mm
Attracted to mercury vapor and ultraviolet lights
Determined by Salvador Vitanza
Confirmed by Vassili Belov
Originally named Ataenius puncticollis
Taxonomy updated to current name, on BugGuide, by Jonathan W. Quist