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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 Kogotus (Perlodidae) Stonefly Nymph from Mystery Creek #199 in Washington
This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.
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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Falsifly
Falsifly's profile picture
Hayward, WI.

Posts: 660
Falsifly on Jul 22, 2014July 22nd, 2014, 6:46 am EDT
http://www.crh.noaa.gov/arx/?n=mayflygeneral#July202014
Click on July 20, 2014 and scroll down.
Falsifly
When asked what I just caught that monster on I showed him. He put on his magnifiers and said, "I can't believe they can see that."
Kschaefer3
Kschaefer3's profile picture
St. Paul, MN

Posts: 376
Kschaefer3 on Jul 22, 2014July 22nd, 2014, 7:51 am EDT
I saw that. AWESOME! I should have been fishing that evening.
Jmd123
Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Jul 22, 2014July 22nd, 2014, 8:32 pm EDT
When I was in the Tawas Bay area (Lake Huron) today I noticed a LOT of fresh Hex on the front of some buildings. They're still not done around here, no doubt due to the still cooler than average temperatures we're having. Hey, I'm not complaining, it saves me on electric bills for air conditioning and it will keep the trout streams going through the normal "dog days" of August and September - I never did very well at this time of year until last year, when cooler, moister conditions kept them going for me...

Jonathon

P.S. Light Cahills were thick on one of my favorite spots last night - and I have seen fish react to this hatch like it was the Hex, everybody is up on top feeding!
No matter how big the one you just caught is, there's always a bigger one out there somewhere...
RMlytle
RMlytle's profile picture
Connecticut

Posts: 40
RMlytle on Jul 26, 2014July 26th, 2014, 10:44 am EDT
I'd imagine you could catch all sorts of interesting species on dries in an emergence like that.
Gus
Gus's profile picture
colorado

Posts: 59
Gus on Jul 28, 2014July 28th, 2014, 11:11 am EDT
most have been some happy fish around those parts!
"How do you help that son of a bitch?"

"By taking him fishing"

-A River Runs Through It

www.jsrods.com

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