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Wet Fly Swing Fly Fishing Podcast

873 | Fly Fishing Entomology Made Simple with Sawyer Finley

Wet Fly Swing Fly Fishing Podcast

Dave Stewart

Leisure, Hobbies, Sports, Wilderness

4.7530 Ratings

🗓️ 22 January 2026

⏱️ 59 minutes

🧾️ Download transcript

Summary

873 Show Notes: https://wetflyswing.com/873

Presented by:  Grand Teton Fly Fishing

This episode breaks entomology down into something you can actually use. Sawyer Finley, guide at Grand Teton Fly Fishing, explains how insects live, move, and emerge—and how trout respond to that reality, not just to textbook hatches. The focus is on observation, timing, and availability, not memorization.
 
Show Notes: https://wetflyswing.com/873

 

Transcript

Click on a timestamp to play from that location

0:00.0

Today's episode lives at the crossroads of science and trout water, where a freshwater ecologist

0:06.5

with a master's degree from Idaho State steps out of the research world and into a drift boat

0:11.7

on the Upper Snake River. Sawyer Finley didn't grow up studying bugs because of fly fishing. He became a

0:17.2

fly fishing guide because he understood bugs. He learned rivers by turning over rocks, mapping insect communities, and tracking how landscapes

0:25.5

shape life underwater.

0:27.3

And now he brings that whole lens to the Grand Teton Fly Fishing team where he guides

0:31.6

in the same waters he studied or observed first and where he's casting now.

0:36.9

This is the Wet Fly Swing podcast where I show you the best places to travel to for fly fishing,

0:40.4

how to find the best resources and tools to prepare for that big trip,

0:43.5

and what you can do to give back to the fish species we all love.

0:47.3

Slyer Finley is going to walk us through what really matters when we talk about streamside entomology.

0:52.5

We're going to start from the beginning and get into some good stuff today.

0:56.5

We're going to find out why understanding just three big orders is the key to most trout fishing out there.

1:03.5

How reading life cycles, timing in stars, and winter midges to make sense of what fish are actually doing out there

1:09.4

and why every day starts with

1:11.3

data collection.

1:12.5

Like we said, turning over some rocks, checking out some shucks.

1:15.5

That's where he's starting here.

1:16.8

We're going to get into a bunch of it today, including some interesting studies on the

1:22.5

Yellowstone area around wolves and elk and all that.

1:26.3

It's going to be a good episode.

1:27.4

I hope you enjoy it. You could find Sawyer at Grand Tetonflyfishing.com. All right, here he is, Sawyer Finley. How you doing, Sawyer? How's it going, Dave? Good. Thanks for having me on. Yeah, totally. I've been excited about this conversation because we're going to talk animology. I think I've been talking a lot over the years about the fact that it's hard to find an animalologist that also flyfish. Do you find that out there? I guess starting off the top, do you find animology, like finding somebody that has your skills as hard in the fly fishing world? You know, it's funny. I think

...

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