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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
Baetis

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.

Dorsal view of a Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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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Ephemera simulans (Brown Drake) Mayfly Nymph Pictures

This mayfly was collected from the Namekagon River in Wisconsin on January 31st, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.


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Ephemera simulans (Brown Drake) Mayfly Nymph Pictures

Collection details
Location: Namekagon River, Wisconsin
Date: January 31st, 2004
Added to site: January 25th, 2006
Author: Troutnut
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