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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.

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.

Wbranch
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York & Starlight PA

Posts: 2635
Wbranch on Aug 8, 2007August 8th, 2007, 5:00 am EDT
I don't know if I'm in the right section of the Forum but I recently saw an awesome photo of an Ephemerella Dorothea dun emerging from the nymphal case. The dun's wings were dry and upright but the case was still attached, about half the body length, to the dun. Is that picture on this site and if so would anyone please tell me where it is. Thanks.
Catskill fly fisher for fifty-five years.
Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Aug 8, 2007August 8th, 2007, 6:07 am EDT
Wbranch-

Sounds like you might be referring to the photo of a "stillborn" Ephemerella subvaria on this page, which appears at the bottom of the page in the Jargon section immediately above the definition for Stillborns.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
Wbranch
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York & Starlight PA

Posts: 2635
Wbranch on Aug 8, 2007August 8th, 2007, 8:49 am EDT
Roger,

Thanks for the info but no that is not the picture I saw. It shows the dun with the opaque gray wings and the sulfur color body and the big orange eyes. Then about half way down the abdomen of the dun you can see a brown nymphal case.
Catskill fly fisher for fifty-five years.
Troutnut
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Administrator
Bellevue, WA

Posts: 2758
Troutnut on Aug 8, 2007August 8th, 2007, 10:24 pm EDT
I've got another sort-of-like-that photo on my invaria page but the one you're talking about is probably from another site.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Wbranch
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York & Starlight PA

Posts: 2635
Wbranch on Aug 12, 2007August 12th, 2007, 2:24 pm EDT
Jason,

That is the picture I wanted to see!! I thought it was a Dorothea but the picture depicts what I wanted to see. Thanks for posting it.
Catskill fly fisher for fifty-five years.
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Aug 12, 2007August 12th, 2007, 2:24 pm EDT
Jason,

That is the picture I wanted to see!! I thought it was a Dorothea but the picture depicts what I wanted to see. Thanks for posting it.
Catskill fly fisher for fifty-five years.

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