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14AdamsMay 30th, 2011, 9:01 pm
Western PA

Posts: 4
Howdy all. I have a question about the mayfly I fished among this evening. There were quite a few of them,females I figure,with snow white abdomens. Not just sort of white, snow white. I couldn't catch any for pics as they dipped and rose from the surface. Not huge,not small,just a fairly abundant medium sized mayfly. Any thoughts?
TroutnutMay 30th, 2011, 10:18 pm
Administrator
Bellevue, WA

Posts: 2692
Like this maybe?

http://www.troutnut.com/specimen/778

The other white-bodied mayflies I can think of are green drake spinners (roughly the right time of year, but they're big) and Ephoron mayflies (right size and color, wrong time of year).
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
14AdamsMay 31st, 2011, 9:29 pm
Western PA

Posts: 4
Not exactly. The wings and thorax are darker. I went back this evening looking for a spinner or two to gather up,but no dice. There were a few females dipping again and without a net I didn't stand a chance. Being the first of June I have to think Green Drake. The less than monsterous porportions may just be a local thing.
TroutnutMay 31st, 2011, 11:16 pm
Administrator
Bellevue, WA

Posts: 2692
Green drakes are the only white-abdomen spinners I can think of with anything other than totally clear wings. Here's one of my green drake spinners:

http://www.troutnut.com/specimen/736

Look about right?
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
14AdamsJune 1st, 2011, 4:28 pm
Western PA

Posts: 4
Looks like the critter. I figure that's it.
KonchuJune 3rd, 2011, 12:23 am
Site Editor
Indiana

Posts: 498
There are some medium sized heptageniids that fit the bill, I think, unless I'm way off. Always a possibility these days.

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