Ephemeroptera-Baetidae-Callibaetis fluctuans-Small Minnow Mayflies (A)

Callibaetis fluctuans

Rio Rico, Santa Cruz County, Arizona
Coordinates: 31.468064, -110.991869
July 16, 2017
Size: 7 mm
Under a covered picnic table at the Guy Tobin Trailhead
Attracted to mercury vapor and ultraviolet lights
Determined by Salvador Vitanza
Confirmed by Roger Rohrbeck

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