Hex Mayflies
Hexagenia limbata
The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
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This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
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Dirremeang on Apr 8, 2008April 8th, 2008, 5:45 pm EDT
Sorry! I thought i uploaded the photo but i never did! Please help me get this insect identified! Collected in a fast flow high velocity stream. I thought their larvae of Toxorhychites but... are they???
Wbranch on Apr 10, 2008April 10th, 2008, 1:48 pm EDT
Still no photo maybe it is a Epheremeral noseeumess.
Catskill fly fisher for fifty-five years.