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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

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.

Dorsal view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the Yakima River in Washington
Some characteristics from the microscope images for the tentative species id: The postero-lateral projections are found only on segment 9, not segment 8. Based on the key in Jacobus et al. (2014), it appears to key to Neoleptophlebia adoptiva or Neoleptophlebia heteronea, same as this specimen with pretty different abdominal markings. However, distinguishing between those calls for comparing the lengths of the second and third segment of the labial palp, and this one (like the other one) only seems to have two segments. So I'm stuck on them both. It's likely that the fact that they're immature nymphs stymies identification in some important way.
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 has attached these 4 pictures to this report. The message is below.

Report at a Glance

General RegionYetna River drainage
Specific LocationLake Marie Lodge
Dates FishedAugust 20 - 27
Time of Day9:00 - 5:00 every day
Fish CaughtSilver salmon, chum & pink salmon, rainbows
Conditions & Hatchesnone.

Details and Discussion

Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Aug 31, 2011August 31st, 2011, 8:34 pm EDT
I had an unexpected opportunity to go to Alaska last week so I asked my wife and she said "Go for it!" It was not a fly-out lodge but it was 100 miles north of Anchorage and we got there in a 4 seater bush plane. That ride alone was a hoot! I'll be creating a new album at my Facebook page within the next few days if anyone wishes to view them.

Jason told me this Facebook address can be viewed by "Friends Only". I don't want to change it so the unwashed internet masses can view it so if you want to see the pictures you'll have to become one of my"Friends" on FB.

Catskill fly fisher for fifty-five years.
Troutnut's profile picture
Bellevue, WA

Posts: 2758
Troutnut on Aug 31, 2011August 31st, 2011, 8:59 pm EDT
Very cool! Gotta love those views from Denali from the south on a clear day. I think you caught more salmon that week than I have in four years living in Alaska, not counting my dipnetting.

The Facebook link you posted was broken, so I looked it up on Facebook and fixed it for you. You have sharing on that album set to Friends-only I think, so if you want everyone to be able to see it you'd need to change that album setting.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Sep 1, 2011September 1st, 2011, 10:41 am EDT
Hello Jason,

You wrote; "but this year the sockeye run greatly exceeded expectations, so the Alaska Department of Fish & Game increased everyone's limit by 10 for several weeks."

The fellow seating next to me on the way to Anchorage told me his son had heard that a Alaska Fish plane had been flying around the mouths of some of the rivers and found a school of sockeye's that was an amazing 26 miles long by 18 miles wide. It was the largest run of sockeye's since 1958 and Alaska Fish thought that tremendous quantity of fish would significantly contribute to fouling the river systems with all their effluent so they decided to relax the daily bag limits.

He also told me his son owned a trucking business that hauls fresh caught halibut from the commercial vessels to the markets. He had aldreay hauled 29 million pounds of halibut this season. He told me that halibut was going at $15.00 per pound but I never verified that price which sounds quite steep to me.
Catskill fly fisher for fifty-five years.

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