What kind of aquatic bug is this?

Ihunta	February 17th, 2018, 2:53 pm
Virginia Posts: 2	Found this in SW VA stream that's cold and clean. It was under cobbles in a lotic erosional zone, and had gills on 4 or 5 of its abdominal segments.

Millcreek	February 17th, 2018, 5:21 pm
Healdsburg, CA Posts: 356	It's a burrowing mayfly, probably either a member of the family Ephemeridae or Potamanthidae. https://bugguide.net/node/view/614206 https://bugguide.net/node/view/182024/bgimage


Ihunta	February 17th, 2018, 5:39 pm
Virginia Posts: 2	Ohh, that makes sense with the 3 cerci and the "horns". The multiple tarsal claws and overall size tripped me up, but I'm glad I found one before the lab practical exam!

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