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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.

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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.

CaseyP has attached this picture to aid in identification. The message is below.
CaseyP
CaseyP's profile picture
Arlington, VA/ Mercersburg, PA

Posts: 653
CaseyP on Sep 12, 2017September 12th, 2017, 4:46 pm EDT
went out to montana in august and found this on the car window. new phone actually took a really swell picture of it. no idea at this point where exactly, but probably near the Ruby River or the Madison.
"You can observe a lot by watching." Yogi Berra
Millcreek
Healdsburg, CA

Posts: 344
Millcreek on Sep 12, 2017September 12th, 2017, 5:15 pm EDT
Casey - Might be a male Callibaetis imago. Take a look at this Bugguide photo.
http://bugguide.net/node/view/1298833/bgimage
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
CaseyP
CaseyP's profile picture
Arlington, VA/ Mercersburg, PA

Posts: 653
CaseyP on Sep 18, 2017September 18th, 2017, 11:12 am EDT
thanks, Millcreek! the geographic location and the resemblance to the bug in the link would make me say Callibaetis.interesting color variation.
"You can observe a lot by watching." Yogi Berra
Creno
Grants Pass, OR

Posts: 302
Creno on Sep 19, 2017September 19th, 2017, 10:49 am EDT
If you have your settings right on your phone the phone may have placed a latitude/longitude on your photo. You can enter that into most mapping programs and it will show you where you were at.

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