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Mr. Rapidan Emerger

Mr. Rapidan Emerger
Mr. Rapidan Emerger

The Mr. Rapidan fly pattern was originated by Harry Murray in the 1970’s. Originally tied as a dry fly, it was designed to be a buoyant, visible fly for the choppy waters of Virginia. Does that sound familiar? It should, because much of the trout water in Virginia is very similar to the trout water in Tennessee!

Like many other fly patterns I write about, the Mr. Rapidan has A LOT of branches on its family tree. In fact, if you visit Harry Murray’s online site, you’ll more likely find a description of the Mr. Rapidan family of flies. We’re not going to get into that this time, but you’ll find everything from dry flies to nymphs to ants in the Mr. Rapidan family.

But you’ve surely noticed that the title of this article is not Mr. Rapidan Ant or Mr. Rapidan Family. We are focused on the emerger, mainly because it is time for Quill Gordons to hatch and this is the best pattern for a Quill Gordon emerger I’ve ever used.

The Quill Gordon mayfly is one of the first good hatches of the year in the Smokies. Most folks will tell you it starts coming off around the third or fourth week of March. I wish it was that simple. As an early season hatch, it can be one of the toughest hatches of the year to time right.

Mayflies don’t time their emergence based on a calendar. It usually has more to do with water temperature. When water temperatures get into the 50’s and remain there for the better part of a few days, Quill Gordons will begin to hatch. Usually that’s late March but if we get a warm spell in February, they’ll come off then. If we get a really cold early spring, they may not come off until April. This year, all indications are that they’ll be right on schedule, but it’s still too soon to tell.

During a hatch, some mayfly species spend a fair amount of time on the surface before they fly off. Those are pretty easy picking for trout. However, unless you catch a Quill Gordon hatch on a particularly cool or damp day, they get off the water in a hurry and trout don’t get much of a look at the adults. So the trout often focus their attention more on the emerging insects.

Enter the Mr. Rapidan Emerger. While there are very specific Quill Gordon wet fly patterns, I haven’t found any that outproduce the Mr. Rapidan Emerger. I will sometimes fish it as a dropper below a Quill Gordon dry fly, but most often, I like to fish it by itself or in tandem with another wet fly. Of course, it depends on the specific run but I most often like to fish it on a tight line, “twitching” the rod tip periodically through the drift.

Some variations of this fly have a tail, usually made of pheasant tail fibers. The variation I included does not.

Mr. Rapidan Emerger

Hook: TMC 3769 #14-10
Thread: 8/0 Grey
Rib: Small copper wire
Tail (optional): Pheasant Tail
Body: Dark hare’s ear dubbing
Thorax: Cream antron dubbing
Hackle: Natural hen neck, swept rearward

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March Fishing Forecast

Upper Abrams Creek, Tennessee
The “Cove Section”

Mountains

While weather is all over the place around here and 80 degrees in February is just as likely as snow in May, I always call March the transition month. Winter is transitioning to spring and you tend to get sample of both seasons. When folks book trips for March, I always try to warn them that it’s a gamble. Not only can temperatures change on a dime and turn the fishing off, it tends to be a wetter month, so water levels can get way out of whack.

I’ve had some fantastic fishing in March, particularly toward the latter part of the month. When the stars align, we can see some of the first good hatches of the year with fish hungry after a winter of little food. It seems that every seasoned Smokies angler is on “Quill Gordon watch!” But a big cold front can delay the hatch and can lock a trout’s mouth tight as a drum.

What will this March hold? Only time will tell. We’re sure to see some really good fishing and some lousy fishing, too. When you live around here, you can pick your days. When you’re traveling here to fish, you just have to hope you’re here on one of the upswings.

In any case, most of the month will be spent fishing nymphs. Darker patterns do the best and a #12 Olive Hares Ear (or similar) is a pretty good imitation for the Quill Gordon nymphs that should be moving about. When water temperatures get into the 50’s for a significant part of the day, a few days in a row, our dry fly fishing should start to pick up. That’s probably going to be around the third week, but who knows?

Clinch

As usual, the fishery that does have good water temperatures year round and should fish well in the winter is cranking 2+ generators 24 hours a day. Last year was a tough one on the Clinch. A very wet spring resulted in very few days of low water. Unfortunately, this year is starting out the same way. Man, every year seems to be flood or drought. Is an “average” year too much to ask for?

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Early Season Wet Fly

Early Season Wet Fly

In the Smokies, we typically see some of our best hatches of the year in spring. So, it’s no wonder that once March rolls around, most Smoky Mountain fly fishermen have dry flies on the brain. Count me in that group. I love fishing dry flies, especially to steady feeders during a hatch. But just because there’s a hatch, doesn’t always mean you’re going to have a lot of success with dry flies.

There are always an abundance of nymphs and emergers available to trout in any hatch. Trout can often feed on them more easily and without exposing themselves to potential predators. And there are certain situations that may make them even more reluctant to feed on the surface, such as marginal water temperatures. We see that a lot around here in the winter. Bugs are hatching, sometimes heavily, but you don’t see a single rise. Another scenario that many don’t consider is a dry, sunny day.

During a hatch, many aquatic insects linger on the surface while their wings dry before they can fly away. This makes them easy pickings for a waiting trout. Damp, overcast conditions are great days for dry fly fishing for this reason. The bugs are on the surface longer and the trout are looking for them there. But on dry, sunny days, they are able to get off the water almost immediately, making them a tough target for a trout. In those situations, trout often key in on the nymphs and emergers.

This certainly doesn’t mean that you shouldn’t fish dry flies on sunny days or when the water temperature is less than perfect. But when things aren’t going your way during a hatch, you may want to consider changing your tactics. For me, that often means fishing a wet fly. The Early Season Wet Fly is a great one for, you guessed it, early in the season.

Most of the aquatic insects that hatch around here in the early season, until around mid April, are dark in color. So this fly, with its darker body and wing, does a great job mimicking the majority of bugs that a trout might see. Past April, I might fish a similar fly in a lighter tan or yellow color.

I honestly don’t know where this pattern originated. I’m sure there are many traditional wet fly patterns that are very similar. But I believe this particular version originated in the Southern Appalachian Mountains. Regardless, I learned about it from the same source that I’ve learned most things about fishing in the Smokies: Walter Babb.

I fish it a number of different ways. On days when I’m expecting a hatch in the afternoon, I might fish it in the morning in tandem with a dark nymph – maybe a Pheasant Tail or olive Hare’s Ear. In this situation, I’m usually fishing it with a dead drift. At the very beginning of a hatch, or throughout a hatch with little surface activity, I might fish two of these flies and allow them to swing in the current. And even during a hatch when fish are actively feeding on the surface, I often fish this fly as a dropper off the back of my dry fly.

In any case, it’s a go-to fly for me in the month of March and a good one to have in your stash. I doubt that it’s available anywhere commercially but if you’re a fly tyer, I’ve included the recipe below. Learn more about Smoky Mountain hatches and flies in my hatch guide.

Early Season Wet Fly

Hook: TMC 3769 (or equivalent) #14 – 12
Thread: Tan or brown 8/0
Tail: Dun hen hackle fibers
Rib: Copper wire
Body: Mix of grey and tan hare’s ear dubbing
Hackle: Dun hen
Wing: Mallard flank feather dyed grey