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.

Stream photos

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Limnephilus (Summer Flier Sedge) Caddisfly Larva Limnephilus (Summer Flier Sedge) Caddisfly Larva

Case view of a Limnephilus (Limnephilidae) (Summer Flier Sedge) Caddisfly Larva from the Yakima River in Washington

This seems to be a young larva of Limnephilus. Although not clear in the picture, several ventral abdominal segments have chloride epithelia.

7 Recently Added Photos

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.

Valuable resource

CaseyP

Arlington, VA/ Mercersburg, PA

Posts: 653

CaseyP on Aug 7, 2017August 7th, 2017, 8:11 am EDT

a couple of years ago, a nice fellow posted on here that he had a set of bug identification pages that anyone was welcome to download and use.
i did.
i printed out a complete set on waterproof paper, put them in a binder, and when the Casting for Recovery ladies went on our "Bug Walk" to learn a little bit of aquatic entomology, this book was a great resource. the ladies would bring their little pans and buckets to the table and figure out what they had. the waterproof paper meant that drips didn't matter.
does anyone remember this? can anyone point me to the thread? i'd like to say thank you again.

"You can observe a lot by watching." Yogi Berra

Wbranch

York & Starlight PA

Posts: 2635

Wbranch on Aug 7, 2017August 7th, 2017, 10:58 am EDT

Casey,

Here are a few links you might like;

http://www.discoverlife.org/mp/20p?see=I_DSC/0000

http://www.discoverlife.org/mp/20p?see=I_DSC/0001

http://www.discoverlife.org/20/q?search=Insecta

The first two links seem to only have pictures of the nymphal stage of aquatic insects. I didn't see any winged adults but I didn't really explore the web site very thoroughly either.

Matt

Catskill fly fisher for fifty-five years.

Millcreek
Healdsburg, CA

Posts: 344

Millcreek on Aug 7, 2017August 7th, 2017, 12:46 pm EDT

Casey-

I think this is it. http://www.troutnut.com/topic/9024/Free-Stream-Macroinvertebrate-Identification-Cards

Mark

"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein

CaseyP

Arlington, VA/ Mercersburg, PA

Posts: 653

CaseyP on Aug 22, 2017August 22nd, 2017, 8:33 am EDT

Thanks, Mill Creek--that was it exactly!

"You can observe a lot by watching." Yogi Berra