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.

Stream photos

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Neoleptophlebia Mayfly Nymph Neoleptophlebia Mayfly Nymph

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.

10 Recently Added Photos

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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Nine mile creek

Report at a Glance

General Region	Central New York
Specific Location	Nine mile creek Marcellus, New York
Dates Fished	May 17 2015
Time of Day	Early morning
Fish Caught	5 Brown trout
Conditions & Hatches	Water high and murky

Details and Discussion

Darcfly
Posts: 1

Darcfly on May 19, 2015May 19th, 2015, 4:31 pm EDT

I am new to the forum and have only been fly fishing for 2 years. In that time I have set goals for myself that I feel have given me the drive to become a successful fly fisherman. This past Sunday I achieved my most recent goal of catching the daily limit of 5 fish,on my favorite local stream, Nine mile creek. I arrived around 6am with my brother to find the water higher than normal and murky. I knew fishing would not be easy but I am not one to give up. I went to a spot that I know always holds fish. There is a seam about 2ft wide by 20 ft long.I tied on a big black bead head stonefly. It took quite a few casts to get my first fish. It was between 13-14 inch Brown. After that I kept getting fish on till I caught 5. I was thrilled because prior to this my best was 3 fish in one outing. Also I lost a couple but that's ok. For me this is a major accomplishment that I'm proud of. The next goal I want to reach is hook and land a salmon. I have caught two steel head. Last fall I hooked up many salmon but they kept getting off the hook. I think I wasn't setting the hook good enough. We will see what this year brings.

Troutnut