Welcome to the Orvis Fly Fishing Guide Podcast with Tom Rosenbauer, bringing you tips, tricks and techniques to help you get the most from your time on the water.

Here's acclaimed fly fishing author and lifelong fly fishing

enthusiast Tom Rosenbauer.

Welcome to the Orvis Fly Fishing Guide podcast. This week we're going to talk about something

that's a little more advanced.

Did you know that the best hatch you ever encounter is probably not a hatch at all?

What I'm referring to is something that's called a spinner fall and this is

when mayflies return to a river to lay their eggs and it is the time when it's possible to catch the biggest trout of the season on

a dry fly.

Let me give you a little background on a Mayfly life cycle so you can understand what we're talking about.

Mayflies live underwater for just about 12 months.

Then the nymphs rise to the surface they split their skin and a an immature

adult emerges from the skin it's a winged adult but it's actually not a true

adult because they're not they're not sexually mature yet.

This is called a done or a subimago, and the done is kind of an intermediate adult stage.

And this is what people refer to when they talk about a hatch.

The flies are hatching from the bottom of the river.

The fish rise to them.

You catch fish on dry flies, but often the fish respond to a nymph or

in a merger just below the surface because most of the bugs are under the surface and

then once they hit the surface they flap their wings a couple times

and flutter and fly away. So this is what's called a hatch and most of our fly

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