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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.

Lateral view of a Clostoeca disjuncta (Limnephilidae) (Northern Caddisfly) Caddisfly Larva from the Yakima River in Washington
This one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
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.

Wiflyfisher
Wiflyfisher's profile picture
Wisconsin

Posts: 622
Wiflyfisher on Aug 16, 2007August 16th, 2007, 2:37 pm EDT
I am curious what is your favorite mayfly hatch for trout and why? Is it because of the big trout you catch during that hatch, or is because of the density of the hatch, or something else?
Jmd123
Jmd123's profile picture
Oscoda, MI

Posts: 2474
Jmd123 on Aug 16, 2007August 16th, 2007, 3:07 pm EDT
Why, the Hexagenia limbata hatch! I learned how to fly fish during that hatch (Maple River in Cheboygan Co.), so it holds a special place in my heart.

Then again, I've had some terrific trout fishing during Light Cahill hatches on the Maple and the Rifle (Ogemaw Co.). One year early in my flyrodding experience I actually had MORE luck during that hatch than during the Hex. Also, I had my first 10-trout night on Light Cahills.

I also must admit that I'm rather fond of caddis hatches - they are reliable all summer long on the Rifle.

OK, that's THREE favorites! Don't ask me to choose my absolute favorite among them, I simply can't.

What's yours, John?

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

Posts: 133
Dryfly on Aug 16, 2007August 16th, 2007, 5:45 pm EDT
My favorite is the Light Hendrickson hatch because it always brings fish to the surface. Fished the LH four times this year and everytime I've had sucess. also the weather is nice during LH hatches.
Wiflyfisher
Wiflyfisher's profile picture
Wisconsin

Posts: 622
Wiflyfisher on Aug 17, 2007August 17th, 2007, 12:45 am EDT
For me, hands down... Brown Drake (E. simulans) hatch. I love that hatch! Big flies, lots of bugs, big fish and it occurs in the daylight hours. The only negative point to the Brown Drakes is it has a relatively short hatch period (meaning number of days).

My second would be any of the Emphemerellas... subvaria, invaria/rotunda and dorotheas.
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Aug 17, 2007August 17th, 2007, 3:32 am EDT
March Olives. Fewer folks brave the cold wet days when they are best, and it's the first Mayfly hatch of the year for me; I anticipate it all winter. But sulphurs and Tricos are also strong favorites. And when I can find Hendricksons, I love to fish that hatch. OK . . . how about all of them.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Shawnny3
Moderator
Pleasant Gap, PA

Posts: 1197
Shawnny3 on Aug 17, 2007August 17th, 2007, 3:48 am EDT
Oooh, yeah, I love the olives, even when they're not hatching.

-Shawn
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
www.davisflydesigns.com
RleeP
NW PA - Pennsylvania's Glacial Pothole Wonderland

Posts: 398
RleeP on Aug 17, 2007August 17th, 2007, 3:54 am EDT
Early Paraleps..

It is the hatch I learned on many years ago. It's often the first meaningful mayfly hatch of the year on less alkaline streams without meaningful hatches of the early olives, it can require some precision to do well on, but not so much that it becomes more like brain surgery than fishing.

For me, there was nothing like it. Stunned little sailboats going round and round in an eddy and sipping fish.
Softhackle
Softhackle's profile picture
Wellsville, NY

Posts: 540
Softhackle on Aug 17, 2007August 17th, 2007, 5:31 am EDT
Hi,
Mine is Ephemerella dorothea at the end of May. Usually the weather is perfect at that time of year. Water temps are good, and the trout are feeding well.

Mark
"I have the highest respect for the skilled wet-fly fisherman, as he has mastered an art of very great difficulty." Edward R. Hewitt

Flymphs, Soft-hackles and Spiders: http://www.troutnut.com/libstudio/FS&S/index.html
Wiflyfisher
Wiflyfisher's profile picture
Wisconsin

Posts: 622
Wiflyfisher on Aug 17, 2007August 17th, 2007, 8:05 am EDT
March Olives


Louis, for the benefit of our aquatic entomologists who frequent these threads we have to be a little more scientific about this. What the heck are March Olives? :)
SlateDrake9
Potter County, PA

Posts: 144
SlateDrake9 on Aug 17, 2007August 17th, 2007, 10:30 am EDT
Contrary to my screen name, I have to go with the October brood of BWO's because of the weather conditions and solitude I usually have while fishing them throughout the state (I take vacation for much of October to travel and fish). The leaves are pretty, especially so on a drizzily 50 degree October day, the fish are pretty (especially brookies) and I know that the ice is coming.

My all time favorite single event hatch was many years ago when we had the gypsie moth problems throughout most of PA. I spent a week throwing moth patterns on the water and literally catching a trout almost every cast. I can't tell you how many flies I went through.

If heaven ain't that good, then I don't want to go.

I still prefer to drift a nymph or swing a wet though.
Fishing with bait is like swearing in church.
-- Slate Drake
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Aug 26, 2007August 26th, 2007, 11:17 pm EDT
Dorothea and Invaria on the WB of the Delaware. It is a tailwater and it gets significant emergences of both from early June to mid September. I'm also very fond of PMD's out West.
Catskill fly fisher for fifty-five years.
Smallstream
State College, PA

Posts: 103
Smallstream on Aug 27, 2007August 27th, 2007, 12:40 am EDT
Im not much of a hatch matcher but the sulpher hatch on spring creek is pretty impressive, thousands of wild brown trout rising to dries is quite a sight to see
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Aug 27, 2007August 27th, 2007, 10:29 am EDT
John, sorry to have missed your query before, March Olives are baetids that typically hatch most heavily around here in spring creeks during the months of February through April. I didn't mean the "March" to be part of the bug's name, as in "March Brown"; I meant the whole phrase to mean, "Olives that hatch in March." Good question, though. And you thought I'd discovered a new species. :)
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Wiflyfisher
Wiflyfisher's profile picture
Wisconsin

Posts: 622
Wiflyfisher on Aug 27, 2007August 27th, 2007, 12:54 pm EDT
Here I thought you made entomology history!!! Ephemerella louisavia
West
West's profile picture
Eau Claire, Wisconsin

Posts: 46
West on Aug 27, 2007August 27th, 2007, 2:00 pm EDT
I've just recently had my first real encounter with tricos. I know 12' (or longer) leaders, 7x, and sz.22 flies (not to mention very picky trout) aren't everybody's cup of tea, but I really dig that stuff! I'm sure many here will agree that seeing great numbers of trout rising to miniscule insects, and getting those trout to take your fly, is a truly satisfying experience. For me,the fish caught on the really little stuff are the one's that I remember the best.
West

http://pleasantly-obsessed.blogspot.com/
Levi
Posts: 6
Levi on Aug 27, 2007August 27th, 2007, 5:09 pm EDT
my favorite hatch would probably be the slate drakes because they hatch sporadically all day so you can fish the dry even when no bugs are hatching
JOHNW
JOHNW's profile picture
Chambersburg, PA

Posts: 452
JOHNW on Aug 29, 2007August 29th, 2007, 9:31 am EDT
Easy one here
Tricos in mid to late August. Some say it is the masochist in me but I love fishing tiny flies to trout that have been pounded to hell. It somehow ups the "satisfaction quotient"

Second place belongs solidly with baetis tricaudatis (i think that is the correct spelling). Again tough conditions. Have you ever tried to tie on a size 20 fly when you can't feel anything below your wrists!?

Third place is a draw between early blue quills and hendricksons/red quills. The draw with these hatches has more to do with how beautiful a well tied imitation of the catskill variety is. Probably my favorite pattern to tie, even with the peculiarities of stripped peacock eyes or quill bodies.
JW
"old habits are hard to kill once you have gray in your beard" -Old Red Barn
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Aug 30, 2007August 30th, 2007, 7:48 am EDT
After olives, Tricos are my favorite too JW. School has me pretty busy right now, but I'll email or PM you in a few weeks to see if we can finally try that bamboo rod.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
JAD
JAD's profile picture
Alexandria Pa

Posts: 362
JAD on Aug 30, 2007August 30th, 2007, 9:10 am EDT


Bamboo, Did hear that J W likes Bamboo :)

My favorite is what I think is called pretty fishing.Midge or anything small. I like to work on a pod of working fish.

JaD

They fasten red (crimson red) wool around a hook, and fix onto the wool two feathers which grow under a cock’s wattles, and which in colour are like wax.
Radcliffe's Fishing from the Earliest Times,
JOHNW
JOHNW's profile picture
Chambersburg, PA

Posts: 452
JOHNW on Aug 30, 2007August 30th, 2007, 9:56 am EDT
JAD,
While not a connisuer of the grass rod I do have a soft spot for them and I know a Leonard from a Granger from a Payne.
JW
"old habits are hard to kill once you have gray in your beard" -Old Red Barn

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