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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.
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Dolichopodidae True Fly Larva Pictures

Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington
Ruler view of a Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington The smallest ruler marks are 1 mm.
Dolichopodidae True Fly Larva from Mystery Creek #249 in Washington

This true fly was collected from Mystery Creek #249 in Washington on July 4th, 2020 and added to Troutnut.com by Troutnut on July 12th, 2020.


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Dolichopodidae True Fly Larva Pictures

Collection details
Location: Mystery Creek #249, Washington
Date: July 4th, 2020
Added to site: July 12th, 2020
Author: Troutnut
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