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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

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.

DayTripper has attached this picture to aid in identification. The message is below.
I have a hunch, but it can't be correct
DayTripper's profile picture
Northern MI

Posts: 70
DayTripper on Apr 15, 2010April 15th, 2010, 11:52 am EDT
There was a light cloud of these hovering above my head on a walk along the Mohawk River this evening. The Mohawk is a very warm, slow moving river. Albany, NY area. Thanks.

Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on Apr 15, 2010April 15th, 2010, 1:02 pm EDT
Hi Alex-

It's a male Callibaetis imago (spinner).
Best regards,
Roger Rohrbeck
DayTripper's profile picture
Northern MI

Posts: 70
DayTripper on Apr 16, 2010April 16th, 2010, 1:36 am EDT
Thanks, Roger. I appreciate it.
Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Apr 16, 2010April 16th, 2010, 9:34 am EDT
What a pretty little creature...

No matter how big the one you just caught is, there's always a bigger one out there somewhere...

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