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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Perlodidae (Springflies and Yellow Stones) Stonefly Nymph Perlodidae (Springflies and Yellow Stones) Stonefly Nymph

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington

This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.

11 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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The Headwater Sleeps

LenH
driftless area

Posts: 58

LenH on Jan 15, 2008January 15th, 2008, 6:04 am EST

Martinlf

Moderator
Palmyra PA

Posts: 3047

Martinlf on Jan 15, 2008January 15th, 2008, 8:46 am EST

Wow. These photos are so beautiful and a treat for those of us who are taking a break in the office.

"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell

Creno
Grants Pass, OR

Posts: 302

Creno on Jan 15, 2008January 15th, 2008, 12:36 pm EST

Len

Wonderful pictures! Is this really a natural spring that was piped for something long ago and is sort of restoring itself? If so natural springs like this are one of the neatest types of habitat with a tremendous amount of the most threatened native species. Is it currently relatively protected from future surface disturbance?

My avocation is primarily the caddis that inhabit such areas. Many of these areas are not marked on maps and have never been sampled to see what may be there. In the arid west we are still finding many new species at sites like this - although they are seldom this pretty.

For those of you wandering fisher persons who come across these in your other pursuits I would love to know where they are in case I get in the area to while collecting caddis sometime. Or if any of you have easy access to something like this and are interesting in collecting please contact me off line.

dave

LenH
driftless area

Posts: 58

LenH on Jan 16, 2008January 16th, 2008, 1:16 am EST

Less than 50 yards downstream

Beautiful skinny water loaded with eager brookies.

spring is located in Crawford County.
If you get this way sometime give me a shout.

LenH
driftless area

Posts: 58

LenH on Feb 1, 2008February 1st, 2008, 6:25 am EST

Creno

I write a monthly Column for Midwest Outdoors Magazine. I would like to hear more about the springs? Do they have a name so I can research it for a story?

Thanks
Len

Creno
Grants Pass, OR

Posts: 302

Creno on Feb 4, 2008February 4th, 2008, 1:08 pm EST

LenH - Did I get your request right? You want to know where the springs in the pictures are?

Dave

druiter@msn.com

LenH
driftless area

Posts: 58

LenH on Feb 4, 2008February 4th, 2008, 11:14 pm EST

clarifying email in route.