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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.

Lateral view of a Female Sweltsa borealis (Chloroperlidae) (Boreal Sallfly) Stonefly Adult from Harris Creek in Washington
I was not fishing, but happened to be at an unrelated social event on a hill above this tiny creek (which I never even saw) when this stonefly flew by me. I assume it came from there. Some key characteristics are tricky to follow, but process of elimination ultimately led me to Sweltsa borealis. It is reassuringly similar to this specimen posted by Bob Newell years ago. It is also so strikingly similar to this nymph from the same river system that I'm comfortable identifying that nymph from this adult. I was especially pleased with the closeup photo of four mites parasitizing this one.
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.

Shakeyfly
Massachusetts

Posts: 11
Shakeyfly on Oct 17, 2012October 17th, 2012, 3:18 pm EDT
This is a very amateur question... but do different species or families of caddisflies make their cases out of different materials? or do they all just use whats available to them?

Meaning when I do a search for brachycentrus, I noticed almost all the images are of the 4 sided wooden cases. Are the caddisflies that make their cases out of stones and pebbles a different subgenus/family/species?

Thanks for the input and information!
The fishing was good; it was the catching that was bad - A.K. Best

Catching fish is as incidental to fishing as making babies is to #$%&ing. ~William Humphrey

Here's to swimmin' with bow legged women. - Jaws
Taxon
Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on Oct 17, 2012October 17th, 2012, 6:56 pm EDT
Shakeyfly-

The best categorization of caddisfly larval cases (which I have seen) appears as the row headings of a table in W. Patrick McCafferty's wonderful book, Aquatic Entomology:



The full table has a column for each of the different caddisfly families, but the row headings should provide you a feel for the variety of larval caddisfly case types. I believe that a given species of caddisfly tends to build the save type of cases, but expect there are probably numerous exceptions. With regard to Brachycentrus, as I recall, not all of the species build square cases, as some species build tubular cases.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
Shakeyfly
Massachusetts

Posts: 11
Shakeyfly on Nov 19, 2012November 19th, 2012, 9:33 am EST
Thanks for the awesome reply! sorry for the delay..I was out steelheadin! :)
The fishing was good; it was the catching that was bad - A.K. Best

Catching fish is as incidental to fishing as making babies is to #$%&ing. ~William Humphrey

Here's to swimmin' with bow legged women. - Jaws
Risenfly
Risenfly's profile picture
Pennsylvania

Posts: 9
Risenfly on Dec 18, 2012December 18th, 2012, 10:25 am EST
If you're trying to imitate these bugs then try using lead tape. You can form it a bit more than the lead wire to help get the box, or cylinder shape you want and then advance with your other materials.
www.risenfly.com


Fly reels, lines, boxes and accessories. Rods coming in 2014!

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