Trypetisoma eutretoides
Duquesne Road, Santa Cruz County, Arizona
Coordinates: 31.385915, -110.711775
Elevation: 5,904 ft
July 11, 2020
Size: 3 mm
Attracted to mercury vapor and ultraviolet lights
I saw at least 15 of these little flies that night
Determined by Salvador Vitanza
Confirmed by Spencer Pote