Madera Canyon
Santa Cruz County, Arizona
Coordinates: 31.740206, -110.887307
Elevation: 4,395 ft
February 12, 2023
Size: 12 mm
Single shot of the larva submerged in water
Caught several of these larvae in a cold, fast-flowing stream by moving the rocks and sand immediately upstream of an aquatic D-net
Determined by Salvador Vitanza
Confirmed by Brady Richards