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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.

Waterfalls over smooth bedrock above Titcomb Lakes From Titcomb Basin in Wyoming

Stream photos

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Dorsal view of a Doroneuria baumanni (Perlidae) (Golden Stone) Stonefly Nymph from Sears Creek in Washington
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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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Female Ephemerella tibialis (Little Western Dark Hendrickson) Mayfly Dun Pictures

This mayfly was collected from Crazy Beaver Spring in Montana on September 7th, 2007 and added to Troutnut.com by Bnewell on July 2nd, 2011.


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Female Ephemerella tibialis (Little Western Dark Hendrickson) Mayfly Dun Pictures

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Ephemeroptera (Mayflies)
  5. » Family Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs)
  6. » Genus Ephemerella (Hendricksons, Sulphurs, PMDs)
  7. » Species tibialis (Little Western Dark Hendricksons)
Collection details
Location: Crazy Beaver Spring, Montana
Date: September 7th, 2007
Added to site: July 2nd, 2011
Author: Bnewell
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