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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 Psychodidae True Fly Larva from Mystery Creek #308 in Washington
This wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.
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 RegionWaterton Canyon
Dates Fished3/3
Fish Caughta couple 12" Rainbows
Conditions & HatchesThe flows are very low 20-30cfs
Midges all day with the occasional smattering of the occasional baetis

Details and Discussion

Sundula
Littleton, Colorado

Posts: 35
Sundula on Mar 6, 2007March 6th, 2007, 2:00 pm EST
I have been receiving decent action in the slower deep runs they are very very tenative still. I have also pulled some out of the well oxygenated plunge pools. Flies of choice have been the #22 Mercury RS2, #20 Mercury Blood Mige, #22-24 Mercury Brassie, #22-26 Black Beauty, #22-24 Mercury Midge. The flows are gradually showing an increase in flow along the entire drainage. With all the snow we got so far this year it looks like it will be another great year of trout hunting in Colorado.
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Mar 7, 2007March 7th, 2007, 9:24 am EST
Great to hear. The RS2 olive emerger that I tie has been working here some. Tight lines,
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell

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