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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

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.
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.

Doublezz105
Posts: 4
Doublezz105 on Jul 8, 2007July 8th, 2007, 1:34 am EDT
I have no photo, but I had a mayfly light on me on the Beaver River in Pennsylvania. It was an adult with brilliant neon green eyes, with the same color on the body. I've looked through photos on the website, but didn't find anything with those beautiful eyes. I'm not a fisherman, just a bug lover, and am curious if anyone has an idea what it was. I have ID books on larvae stages, but I guess I need to buy a book on adult stage
Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Jul 8, 2007July 8th, 2007, 10:18 am EDT
Doublezz105-

Well, you certainly didn't provide sufficient descriptive information on which one could base even a reasonably reliable guess, but that rarely stops me from attempting to make one.

So, I would say you might have been visited by a Maccaffertium mediopunctatum mediopunctatum male dun, previously classified as Stenonema mediopunctatum, and sometimes referred to as an Olive Cahill Quill.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
Doublezz105
Posts: 4
Doublezz105 on Jul 9, 2007July 9th, 2007, 9:05 am EDT
Thanks. I'll try to be more observant. Oh for a camera at the right time! Do you have any recommendations for a book primarily on identification and life history?
Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Jul 9, 2007July 9th, 2007, 10:07 am EDT
Doublezz105-

There are many good books, and which one is the best choice for you depends on many factors. On the pragmatic end of the scale are some small hatch guides which feature the more likely aquatic insect emergences you are likely to encounter streamside. Other books exclusively feature one insect order, like mayflies, for example. Other books cover all aquatic insects, but usually not to the species level.

This is a subject that is dear to my heart, and I wrote an article about it titled Entomology Bookshelf in the December 2006 issue of Hatches Magazine. My suggestion is that you read the article before deciding which book or books to purchase.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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