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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.

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.
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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Phels29 has attached these 3 pictures to aid in identification. The message is below.
Phels29
collinsville, CT

Posts: 1
Phels29 on Apr 29, 2009April 29th, 2009, 4:14 pm EDT
As somebody who is somewhat new to I have learned the technical aspect of Fly Fishing, but I am still learning what alot of the Flys are. So when I am out on the river and somebody says there is a hatch of red quills or the March Browns are emerging right now I am kinda scratching my head like everybody is speaking greek. I was able to snag this fly by the river today and I was curious to know if anybody could help me identify this. It was caught on the Farmington River in Connecticut in the evening.
GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681
GONZO on Apr 29, 2009April 29th, 2009, 4:26 pm EDT
This is male Callibaetis dun, aka "speckled dun." It's interesting that you found it on the Farmington; they are usually more common on ponds and lakes (still water). Did you see many of them?
Byhaugh
Hawaii

Posts: 56
Byhaugh on Feb 25, 2015February 25th, 2015, 9:06 am EST
We see them on the slower stretches of the zhenry's Fork if I'm not mistaken.

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