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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 Setvena wahkeena (Perlodidae) (Wahkeena Springfly) Stonefly Nymph from Mystery Creek #199 in Washington
As far as I can tell, this species has only previously been reported from one site in Oregon along the Columbia gorge. However, the key characteristics are fairly unmistakable in all except for one minor detail:
— 4 small yellow spots on frons visible in photos
— Narrow occipital spinule row curves forward (but doesn’t quite meet on stem of ecdysial suture, as it's supposed to in this species)
— Short spinules on anterior margin of front legs
— Short rposterior row of blunt spinules on abdominal tergae, rather than elongated spinules dorsally
I caught several of these mature nymphs in the fishless, tiny headwaters of a creek high in the Wenatchee Mountains.
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.

Report at a Glance

General RegionTroy, Michigan
Specific LocationSylvan Glen Lake, next to the golf course
Dates FishedMarch 29 & 30 2013
Time of DayLate afternoon-evening
Fish Caught8 black crappie, 2 bluegill, two largemouth
Conditions & HatchesPartly sunny, breezy, mid-40s to low 50s, no insects on the wing, water somewhat discolored - but NO ICE!!!

Details and Discussion

Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Apr 1, 2013April 1st, 2013, 5:07 pm EDT
I had a feeling my first flyfishing of the year was going to be during my annual Easter visit to my folks. Things up here in Oscoda-land are still frozen up pretty good, streams are either low (Au Sable) or muddy (Rifle) - or CLOSED (Pine). So, the old lake by the golf course served to give me a chance to FINALLY get some fly tackle out and warm up the casting arm. One of the crappie was 11.5" long, nice and fat. Forgot to take the camera though, out of practice for fishing that doesn't involve drilling holes through the ice! Fish were biting really slow and soft, just felt like I kept snagging weeds but never came up with any weeds on the hook. I used two #10 Woolly Buggers, one in chartreuse with a grizzly hackle, and the other in silver (body and tail topping) and blue (tail and hackle) with bead-chain eyes.

In any case, my personal fly-fishing season is at last underway. Next is Au Sable steelhead and early browns on the Rifle. Thank [the deity of your choice here] WINTER IS OVER!!!

No matter how big the one you just caught is, there's always a bigger one out there somewhere...
Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Apr 6, 2013April 6th, 2013, 8:41 am EDT
Mack, our trout opener is the 27th, but there are a few waters that are open year-round so I will probably hit one of those before the opener. Can't wait! In the meantime, my local (walking-distance) bass ponds are still thawing out, as soon as they are I will be hitting them. For me, fly-fishing is NOT just for trout - I did a LOT of bass and panfishing with flyrods while living in Georgia, Missouri, and Texas. And still do plenty of it here in Michigan, especially when I can go for smallmouth! Which there are plenty of around these parts...

No matter how big the one you just caught is, there's always a bigger one out there somewhere...

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