909 | The Ultimate Guide to Trout Food: Mayflies, Stoneflies & More with Maggie Heumann

Wet Fly Swing Fly Fishing Podcast

Dave Stewart

Sports, Wilderness, Leisure, Hobbies

4.7 • 530 Ratings

🗓️ 10 April 2026

⏱️ 58 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

#909 Show Notes: https://wetflyswing.com/909

Sponsors: Grand Teton, AVC Rig, TroutRoutes

There's a whole world of trout food drifting beneath the surface that most anglers never fully notice. Tiny insects, short-lived hatches, and subtle movements quietly control how trout feed and where they hold.

In this episode, we dig into trout food — not just what they eat, but why it matters. Because once you start noticing bugs, the river starts making a whole lot more sense.

Maggie Heumann from Trout Unlimited joins me to break down aquatic entomology in a way that actually connects to your time on the water.

Transcript

Click on a timestamp to play from that location

0:00.0	There are entire worlds moving beneath the surface of the river that most people never notice.
0:07.0	Hatches that last only a few minutes, life cycles that quietly control when trout feed, where they hold, and why a river feels alive one day and empty the next.
0:17.0	If you start paying attention to those details, fly fishing changes.
0:25.7	Today we're digging into the science behind trout food, why a river health and why understanding aquatic insects is one of the fastest ways to become a better angler and a better steward of
0:30.5	the water.
0:31.0	This is the Wetfly Swing podcast where I show you the best places to travel to for fly fishing,
0:35.7	how to find the best resources and tools to
0:37.6	prepare for that big trip, and what you can do to give back to the fish species we all love.
0:43.2	Maggie Human from Trout Unlimited is here today, and she is going to take us inside her world of
0:48.2	aquatic entomology. We're going to find out what anglers should look for when identifying bugs on
0:53.1	the water, how changes in water,
0:55.4	temperature and snowpack can affect hatches, what the connection between river conservation
1:00.3	and the insects that trout depend on is all about.
1:03.3	And some simple ways, anglers can start noticing the bug life around them and dive in a lot
1:08.6	deeper than just the surface.
1:10.5	All right, here we go. Let's jump into it.
1:12.4	Maggie Human. You could find her at Troutunlimited.org. How you doing, Maggie? Doing good. Spring,
1:21.4	but wish we had more snow. Right. That's what I'm here. And I just, we talked to one place, one
1:27.0	outfitter who was near Teton, I guess closer to maybe the Yellowstone. They said they had a pretty good snowpack, but I think overall it's a little bit light, right?
1:35.9	Yeah, I think the snow water looks okay, but we've had a lot of rain, and a lot of the snowpack is melted down. I've never seen stuff blooming in my yard this early, and the robin's showing back up,
1:47.7	so, which is an interesting dynamic given I was in a water strategy meeting on the snake yesterday with Trot Unlimited staff.
1:56.3	Oh, right. Yeah, that's always a hot topic, all the water.
	...

Please login to see the full transcript.

Previous episode | Next episode

Disclaimer: The podcast and artwork embedded on this page are from Dave Stewart, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of Dave Stewart and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.