Pena Blanca Lake, Santa Cruz County, Arizona
Coordinates: 31.399676, -111.088883
Elevation: 3.869 ft
June 2, 2020
Size: 5.8 mm
Attracted to mercury vapor and ultraviolet lights
Determined by Salvador Vitanza
Confirmed by Claude Tessier
FAMILY DYTISCIDAE (Predaceous Diving Beetles)