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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
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.

Dorsal view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the Yakima River in Washington
Some characteristics from the microscope images for the tentative species id: The postero-lateral projections are found only on segment 9, not segment 8. Based on the key in Jacobus et al. (2014), it appears to key to Neoleptophlebia adoptiva or Neoleptophlebia heteronea, same as this specimen with pretty different abdominal markings. However, distinguishing between those calls for comparing the lengths of the second and third segment of the labial palp, and this one (like the other one) only seems to have two segments. So I'm stuck on them both. It's likely that the fact that they're immature nymphs stymies identification in some important way.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Flyfisher06
argyle ny near saratoga

Posts: 48
Flyfisher06 on Apr 4, 2010April 4th, 2010, 1:07 am EDT
Hello guys I have been MIA for the past five months I believe maybe I have ADD or something but I can only concentrate on one passion at a time and me and my English Setters spent the fall and winter chasing timberdoodles pheasants and Mr Ruff I havent been flyfishing yet maybe I will try a small stream for a bit today as my Battenkill is running too high sorry to be a fair weathered poster but if you had good bird dogs like mine you would do the same
IF I am not flyfishing or bird hunting I must be doing something bad like working !!
Lastchance
Portage, PA

Posts: 437
Lastchance on Apr 4, 2010April 4th, 2010, 2:48 am EDT
Happy Easter! I know how it is, I'm torn between Spring Gobblers, fishing, tying and rod building.
Bruce

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