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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 Amphizoa (Amphizoidae) Beetle Larva from Sears Creek in Washington
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).
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.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Adirman's profile picture
Monticello, NY

Posts: 479
Adirman on Apr 7, 2013April 7th, 2013, 8:25 am EDT

Haven't been able to get out even once yet in the Catskills! just wondering if anyones been out here yet and what they're seeing on the water. Couple of guys have told me they're seeing predominantly midges,black stones and some small olives but beyond that, havent heard anything else yet. Any Hendricksons been spotted?

Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Apr 7, 2013April 7th, 2013, 10:17 am EDT
We're still pretty frozen up here in northern lower MI. Steelheaders are out in force but there aren't even many fish in yet. Even small bodies of standing water still have ice cover! Walking along the lower Au Sable all I've seen is a few random midges. I haven't even been near a trout stream since October, but I would guess we're a good while before Hennie season. Which perhaps is good, maybe they'll be in full swing once our opener is here on the 27th...

No matter how big the one you just caught is, there's always a bigger one out there somewhere...
Roguerat's profile picture
Posts: 456
Roguerat on Apr 8, 2013April 8th, 2013, 6:09 am EDT
SW Lower Michigan: I got out for the first time last Friday, upper Rogue and near-perfect conditions considering the time of year- air temp 56* by 3 pm, partly cloudy, water level steady and clear @ 45*. Little Black Stoneflies (sz 16's) were falling and we had some really good fishing.

Sunday we waited until 4:00 pm when partial sun was forecast, zilch on any insects other than some scattered midges(?) we guessed a sz 22 or so, grey with an orange/red egg-sac on their butts.
We've got heavy rain for the next 4 days, 80-100% every day and 2+ inches by the time it ends. I'll be tying more BWO's and Sulphurs in the meantime.


I Peter 5:7 'Cast your cares upon Him...'
Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Apr 8, 2013April 8th, 2013, 12:53 pm EDT
Mack, things have thawed out a bit more in the last day or so, and we're geting a nice steady rain right now too. Oscoda does stay a bit colder than the surrounding areas - our flowers are a bit later in spring here than further inland. Look it up on Google Maps!


P.S. Hopefully I'll have a hatch report from the Rifle River within a couple of weeks...
No matter how big the one you just caught is, there's always a bigger one out there somewhere...

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