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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 Glossosoma (Glossosomatidae) (Little Brown Short-horned Sedge) Caddisfly Larva from the Yakima River in Washington
I caught this tiny larva without a case, but it seems to key pretty clearly to to Glossosomatidae. From there, the lack of sclerites on the mesonotum points to either Glossosoma or Anagapetus. Although it's difficult to see in a 2D image from the microscope, it's pretty clear in the live 3D view that the pronotum is only excised about 1/3 of its length to accommodate the forecoxa, not 2/3, which points to Glossosoma at Couplet 5 of the Key to Genera of Glossosomatidae Larvae.
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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Report at a Glance

General RegionWestern Catskills
Specific LocationN/A
Dates FishedJune 22 - 24
Time of Day1:30 - 5:00 pm
Fish CaughtNumerous wild browns 15" - 21"
Conditions & HatchesSulfurs also blanket hatch of #20 Baetis

Details and Discussion

Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Jun 27, 2010June 27th, 2010, 2:27 pm EDT
Don't really know what kind of mayfly it was. If it was a "Sulfur" as some guys said it was a species with which I'm unfamiliar. Light yellow wings, light yellow body, three tails, small red eyes, about a size #15. Blanket emergence!~ So many bugs that the trout just lost interest and stopped surface feeding as I'm assuming there was a subsurface glut of swimming and emerging nymphs.



Anyone know why my images are being deleted - I see it has happened in a number of my older post.
Catskill fly fisher for fifty-five years.
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Jun 27, 2010June 27th, 2010, 4:29 pm EDT
Nice fish there Matt! You may have been unfamiliar with whatever bug was on the water, but you did something right! Sweet...

Spence
"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively

"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood

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