Ascarate Park
El Paso, El Paso County, Texas
Coordinates: 31.758764, -106.402152
Elevation: 3,681 ft
August 7, 2015
Determined by Salvador Vitanza
Confirmed by Roger Rohrbeck who said: “Yes, I believe this female imago to be of genus Callibaetis, either C. montanus, or C. floridanus, but not certain which of those species it is.”