Luperosoma subsulcatum
Nogales, Santa Cruz County, Arizona
Coordinates: 31.335262, -110.936444
Elevation: 3,936 ft
August 5, 2017
Size: 4 mm
Attracted to mercury vapor and ultraviolet lights
Determined by Salvador Vitanza
Confirmed by Ed G. Riley who said: “Yes, that is a correct ID. You can even see small incision on inner-apical area of middle tibia (on left). This is a male, you can tell by his inflated antennae (and that little incision).”