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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.

Willmilne has attached these 2 pictures to aid in identification. The message is below.
Willmilne
Manitoba Canada

Posts: 19
Willmilne on Jun 22, 2008June 22nd, 2008, 3:38 am EDT
Hi

I was hoping somone might offer an ID on this Caddis. Approx. 25mm long excluding antennae . Collected two days ago in Manitoba Canada on a large river system. I looked at Lafontaine's Caddisflies and elsewhere with no definitive luck.

cheers Will

GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681
GONZO on Jun 22, 2008June 22nd, 2008, 5:10 am EDT
Will,

This looks like Nemotaulius to me, but please await a second opinion as that is strictly a guess.
Creno
Grants Pass, OR

Posts: 302
Creno on Jun 22, 2008June 22nd, 2008, 6:08 am EDT
Yes - this is Nemotaulius hostilis
Willmilne
Manitoba Canada

Posts: 19
Willmilne on Jun 22, 2008June 22nd, 2008, 2:50 pm EDT
Hi

Many thanks I was surprised to see such a large caddis this early in our season.

Will

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