Flies: Stimulator

Yellow Stimulator Fly Pattern
Yellow Stimulator

Most people like fishing dry flies because they can see the fish take it. But fishing dry flies in the Smokies can be a challenge, especially in pocket water. Besides being difficult to keep afloat, they can be difficult to see in fast water. But the good thing is trout aren’t often selective in this kind of water. Therefore, you’re choice of dry flies usually doesn’t have to be so “precise.”

When it comes to fishing dry flies in the Smokies, I am typically looking for two primary things in a pattern. It needs to be visible and it needs to be buoyant.  Beyond that I can begin focusing on a few more details like color and size.

In general, trout in the Smokies don’t see heavy hatches of individual insects.  Sure, there are exceptions. But they mostly see small quantities of a lot of different insects.  So, if you can present the fly naturally and without spooking fish, most any all-purpose, “prospecting” fly pattern will do the trick.  As mentioned above, if you can get a little more precise with size and color, your pattern will be that much more effective.

Matching size will require more observation of bugs on the water or simply having general knowledge of what should be hatching.  The same two things can help with matching color. Having a broad knowledge of how seasons impact color will also help. With some exceptions, aquatic insects tend to blend in with their surroundings.  So, in winter months when trees are bare, most of what hatches is dark because the bugs need to blend in with the darker branches. As foliage comes in, most of what hatches is brighter.  Because the bugs need to blend in with the leaves. It’s nature taking care of itself.

The Stimulator is a long time favorite fly pattern of Smoky Mountain anglers for all of the above reasons.  Its buoyancy and light colored wing not only make it easy to see, but make it a perfect “indicator fly” when fishing a dropper.  And if you mix and match sizes and colors, you could nearly fish a Stimulator 12 months out of the year!

Stimulators Punk Rock Band
Punk rock shaping the fly fishing world

The Stimulator was long thought to be the invention of well-known West Coast angler and fly shop owner, Randall Kaufmann.  While Kaufmann is responsible for the modifications that made the fly most of us know today, the fly’s true originator is thought to be Paul Slattery, who tied a stonefly pattern called the Fluttering Stonefly to fish on the Musconetcong River in central New Jersey.  This was in the early 1980’s and he soon renamed the fly after a New York City punk-rock band called The Stimulators.

Golden Stonefly Adult
Golden Stonefly

In any case, the fly seems to have been created to imitate an adult stonefly, but it is also a good suggestion of a caddis and sometimes even a hopper.  I most often fish it in yellow and in sizes #16 – 8.  I think the smaller size makes a great imitation for the prolific Little Yellow Sally Stoneflies. The larger sizes are good representations of the larger golden stones. They tend to hatch on summer evenings in the mountains.  In the fall, I often fish a #10 Stimulator in orange to imitate the large ginger caddis.

Whether it imitates anything or not, it catches fish and it floats well in heavier pocket water found throughout the mountains.  As one of the most popular dry flies of all time, it is available in most every fly shop in the country.

Yellow Stimulator
Hook: Daiichi 1270 #16 – #10
Thread: 8/0 orange
Tail: Stacked elk hair
Abdomen: Yellow floss
Abdomen Hackle: Brown rooster neck – palmered
Wing: Stacked elk hair
Thorax: Bright orange dubbing
Thorax Hackle: Grizzly rooster neck – palmered

Learn more about Southern Appalachian fly patterns and hatches in my Hatch Guide.

Flies: Little Yellow Sallies

Little Yellow Sally Adult
Yellow Sally Adult

April is one of the busiest months of the year for hatches and provides a smorgasbord of bugs for our finned friends. It’s also when we begin to see the change in color schemes on adult aquatic insects.

Aquatic insect adults are not only great sources of food for fish but also for birds. As a matter of fact, when you begin to see large numbers of swallows gather above the water and swooping down to the surface, get ready. The hatch is beginning. Once the bugs have safely made it off the water, nature helps take care of them with appropriate camouflage to blend in with streamside trees and vegetation.

In the winter and early spring, most of your aquatic insect adults are black, grey, or some other dark color. They can better blend in with the dark, bare branches around the water. As we get later into spring and things begin to bloom, you begin to see more light- colored insects, such as tan and yellow. By the time summer rolls around, almost all of the adult insects are brighter yellows and greens to blend in with the abundant vegetation. And in the fall, you see more bugs with reds and oranges. There are of course plenty of exceptions to this but it’s a good guideline to follow with fly selection if you don’t know exactly what’s hatching.

So, April is a transitional month for color. Early in the month, we’re seeing the tail end of some of the darker bugs like Quill Gordons and Blue Quills, and by the end of the month we’re starting to see yellow bugs like Sulphurs and Little Yellow Sallies.

Little Yellow Sally Fly Pattern
Egg Laying Imitation

Most of the hatches in the early part of the month are sparse and can be covered with generic flies like a Parachute Adams. The first hatch of significance in April is the Little Yellow Sally stonefly. It is one of the most prolific hatches in the Southern Appalachian Mountains, beginning usually around the third week of April and lasting well into July.

Unlike mayflies and caddisflies, stoneflies do not hatch in the water. Rather, the nymph will crawl out of the water onto a rock before hatching. Pay attention when you are on the water, and you’ll probably notice empty stonefly cases on exposed stream rocks. This means that the adult stonefly is not nearly as important to the fly fisherman. The adults aren’t as available to the trout. You should focus more on imitating stonefly nymphs. For dry flies, focus more on the stage when it returns to the stream to lay eggs. You’ll notice that many of the adult Sally imitations are tied with a red butt for that very reason. It imitates the egg laying stage.

Little Yellow Sally Nymph
Little Yellow Sally Nymph

Stoneflies are often large bugs but that isn’t the case with the Little Yellow Sally, as suggested by the name. These are commonly found in size #16 and are typically a very bright yellow, and sometimes chartreuse. They tend to hatch sporadically through the day and return to the water in the evening to lay eggs. Typically, the later in the hatch it is, the later in the day they will return to the water. In April, you may see them dive bombing the water to lay eggs in the early evening. In late June, that’s probably not going to happen until almost dark.

Neversink Caddis Fly Pattern
Neversink Caddis

There are a number of good imitations for the adult Yellow Sally. A yellow Neversink Caddis is one of my favorite “searching patterns.” For the nymph, you’ll want something tan to yellow in color. A small Tellico nymph or even a Hare’s Ear nymph should do the trick. And again, if you’re fishing when they’re laying eggs, something with a red butt can be very effective. Just plan to stay out late!

Learn more about Smoky Mountain hatches and flies in my hatch guide.

Ginger Caddis

Ginger Caddis
Ginger caddis

The Ginger Caddis of the Smokies is known in other circles as the Great Brown Autumn Sedge. Many lump it together with a few other similar species and refer to them all just as October Caddis. No matter what we decide to call it, fish just call it food! Caddis of numerous varieties are available most of the year in the Smokies but really seem to come into their own in fall. And of the many caddis species hatching in the fall, the Ginger Caddis is the undisputed king.

Orange Stimulator Fly Pattern
Orange Stimulator

Ginger Caddis are big, big bugs – in the hook size #10-8 range to be exact. They are in the stream all year, most of the time in a larval encasement of lengthwise sticks. The larvae feed mostly on decaying leaves throughout the winter and spring. In early summer, when that food source has diminished, they seal off their cases and remain inactive until late summer. In late summer, they begin pupation. Emergence, mating, and egg laying occur in early fall. Eggs will hatch in late fall when most of the leaves have fallen, and the larvae will again begin feeding on this foliage. Their entire life cycle is completely synchronized with this food source and they are one of the most important converters of leaf material in the woodland streams of the Eastern United States.

What does that have to do with you? Well, it gives you a good idea of what to tie on the end of your tippet. You will probably only see a handful of these on the stream. The adults tend to fly mostly at night, but there is plenty of spillover near dusk and dawn. And trout don’t seem to care that their not supposed to be seeing them in the middle of the day. They regularly take these imitations with plenty of vigor!

Orange Neversink Caddis Fly Pattern
Neversink Caddis

While there are a number of more exact imitations out there, I have found few flies that work better than an orange Stimulator or an orange Neversink Caddis in sizes #12-8. Even when they’re not hitting the dries, these are both highly buoyant dry flies that do a great job of suspending a dropper. For dropper nymphs, the usual suspects like Pheasant Tails, Princes, and Green Weenies are always good choices. Or you may try a #12 orange soft hackle pattern to imitate the Ginger Caddis pupa.

Actively fishing an orange soft hackle by itself or in tandem with another nymph can be very productive, especially in the early morning. Refer to the Active Nymphingarticle in the Journal section of my web site for tips. Ginger Caddis begin showing up (hatching) in the Smokies in mid to late September and typically hang around until late October.

Learn more about Smoky Mountain hatches and flies in my hatch guide.