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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
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.

Case view of a Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
It's only barely visible in one of my pictures, but I confirmed under the microscope that this one has a prosternal horn and the antennae are mid-way between the eyes and front of the head capsule.

I'm calling this one Pycnopsyche, but it's a bit perplexing. It seems to key definitively to at least Couplet 8 of the Key to Genera of Limnephilidae Larvae. That narrows it down to three genera, and the case seems wrong for the other two. The case looks right for Pycnopsyche, and it fits one of the key characteristics: "Abdominal sternum II without chloride epithelium and abdominal segment IX with only single seta on each side of dorsal sclerite." However, the characteristic "metanotal sa1 sclerites not fused, although often contiguous" does not seem to fit well. Those sclerites sure look fused to me, although I can make out a thin groove in the touching halves in the anterior half under the microscope. Perhaps this is a regional variation.

The only species of Pycnopsyche documented in Washington state is Pycnopsyche guttifera, and the colors and markings around the head of this specimen seem to match very well a specimen of that species from Massachusetts on Bugguide. So I am placing it in that species for now.

Whatever species this is, I photographed another specimen of seemingly the same species from the same spot a couple months later.
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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Pryal74
Pryal74's profile picture
Escanaba, MI

Posts: 168
Pryal74 on Feb 7, 2011February 7th, 2011, 12:02 pm EST
The Mainistique River is STILL producing top notch fishing for Lake Michigan Steelhead. I fished with Chris G. today and it was outstanding! We landed 4 beautiful fish. Estaz Eggs and streamers brought hits on a gorgeous February sunday. I landed a 3+ pound hen on a bright pink Estaz Egg and a big Steelie broke my ten pound liter when he took off with my bright green and white streamer. Chris was slaying them in an upstream pool, he landed 3 fish; a nice looking 3 pound male and a couple skippers. He also hooked numerous other fish! What a day!! Pictured below; my only fish landed and Chris doing his laundry room audition of the Lord Of The Dance. His leaky waders gave us some goofing around time in the local laundrymat.

Jmd123
Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Feb 7, 2011February 7th, 2011, 12:20 pm EST
Nice looking fishie there, James! A quick question for ya: do you have a good method of keeping your line/line guides from iceing up on you, or do you only fish on those days when it's near or above freezing?

Jonathon
No matter how big the one you just caught is, there's always a bigger one out there somewhere...
Pryal74
Pryal74's profile picture
Escanaba, MI

Posts: 168
Pryal74 on Feb 8, 2011February 8th, 2011, 2:04 am EST
I just clean the eyes out manually. They had frozen up over 50 times, easily. It cost me a hookup once. I was cleaning the eye closest to me and my indicator took a dive. I raised up too slow. When I strip a streamer, my gloves eventually get wet too. I need something a little tougher for my hands. Before we left, I changed gloves and snow was coming off in my hand from the line. To answer your question, no I don't have a method that keeps it out.

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