Troutnut Forum > Fly Hatch Talk > Does anyone have success fishing this hatch?
This topic is about the Caddisfly Genus Mystacides
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The Discussion
| Troutnut | September 24th, 2006, 3:51 pm | |
| Fairbanks, AK Posts: 1115 | I've been extremely frustrated several times by trout feeding on Black Dancers, especially on the Brule in Wisconsin. The flies gather in little swarms beneath overhanging alders along the bank, usually within a foot or two of the surface, and "dance" around. A trout or two, usually small, will appear below them and rise steadily. This is one of the most reliable insect activities on that river in the summer. It's quite unlike any other hatch, since it never affects most of the stream. Instead, there are just little pockets of activity here and there along the bank. It would be interesting to see if some of the trout are Mystacides "specialists" who are conditioned to cruise the banks looking for this food source. At any rate, I've never had much luck catching these trout. I've tried most often on the Brule but I've run across similar situations on Finger Lakes and Catskill rivers in New York, too. Has anyone cracked the code? | |
| Jason Neuswanger The Troutnut | ||
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| Taxon | September 24th, 2006, 8:38 pm | |
| Mercer Island, WA Posts: 485 | Jason- What you're describing is a mating swarm. The only time Mystacides adults are really available to trout is when the female dives underwater to deposit eggs, as the pupae crawl out of the water to emerge, and the adult female doesn't dip her abdomen in the water to oviposit. I would expect the egg-laying dive to be a (more or less) singular (as opposed to a large group) activity that would probably be best imitated with a wet fly. Not sure whether or not this takes place immediately below the mating swarm, but that would tend to explain your observation. | |
| Roger Rohrbeck www.FlyfishingEntomology.com | ||
| Troutnut | September 24th, 2006, 9:30 pm | |
| Fairbanks, AK Posts: 1115 | Yes, that's one thing I've considered, although I never seem to see them diving underwater... not that I would necessarily notice. I know mating swarms don't necessarily indicate flies on the water. Yet there's often a rise or two below the little clouds. They swarm so low to the water that it seems quite plausible that they occasionally hit the water by accident and that's when the trout take them. I've also seen trout jump under the swarms. They're probably just zealously taking something on or near the surface, but maybe some of them can actually snatch the low-flying insects from the air. I think that's unlikely, but it would be neat if they do it. If only I had a high-resolution high-speed video camera with a long zoom lens... | |
| Jason Neuswanger The Troutnut | ||
| GONZO | September 24th, 2006, 11:48 pm | |
| "Bear Swamp," PA Posts: 876 | I've had success with Mystacides, but results are very mixed. Jason, you are fortunate to have witnessed actual rises; in my experience nearly all of the efforts to feed on the mating swarms are aerial. Sometimes the leaping is quite frenzied and frustrating (I suspect for both me and the trout). It sure doesn't seem like an efficient way to feed, but the swarm seems to drive the fish crazy. The traditional tactic for leaping fish is to "hit-'em-on-the-head" with the fly immediately after the leap, and I have had that work occasionally. I've had more success by repeatedly presenting and withdrawing the fly about a foot or two upstream of a leaper, then allowing the fly to float down to the fish. It works better, but still no sure thing. From my observations, the flies in the swarm never touch the water, but the teasing tactic is still the most successful one I've found. There's a famous old story (by Robert Traver, I believe) where he talks about solving the problem by connecting his leader to a partner's. They would stand on opposite sides of the pond and dangle the fly over the fish with a tight line between them. When a fish took, they would take turns reeling it in. I suspect that the story is apocryphal, but admit to having considered it as a tactic. Unfortunately, the positioning of the black dancer swarms has never lent itself to two-man fishing. As an alternative, I have considered dangling the fly from a 15' Spey rod, but I have no such rod and the leapers are usually rather small. Success with a wet imitation of the diving females has also been rather modest. Roger is probably right that the concentrations of diving females never match the concentration of the males in the mating swarms. It could also be a bit of a timing/location issue; perhaps the wet could be used to better effect later on or in a slightly different location. I doubt that the females dive to lay eggs beneath the swarms of males (if they did, the wet would surely be more successful). This leaves the emergence of the pupae. I'm told that they emerge early in the morning, but I've never been able to intercept them. Pupae that crawl out to emerge are always easy to miss. I'm sure that if the emergence sites could be located, it would be much like fishing to a Chimarra emergence--and I have had very good luck with that. All-in-all, this is an extremely frustrating bug most of the time. Even figuring out why the trout bother with it is frustrating. Trout are known to be stimulated and attracted by the feeding activity of other trout, and the concentration of fish under a mating swarm does seem unusually dense at times. My best theory is that one overanxious little idiot attracts the others and gets them excited. I seriously doubt that they get enough food value to make up for the energy expended by leaping, but they do it anyway. Maybe someone should explain this to the fish! :) | |
| PaulRoberts | December 24th, 2006, 8:49 am | |
| Posts: 1 | There was always a good number of blcak dancers on the East Branch Owego. Small trout were willing to leap at them at least, and would take a small black dry caddis. But I can't say I've ever seen major trout activity surrounding them. | |
| Reify | July 7th, 2007, 10:41 am | |
| Easton, Pennsylvania Posts: 4 | We call these simply black caddis - and yes, they'll frustrate the heck out of you. We have good success with emerger patterns fished mid to late afternoon before the mating swarm. I have it from a great book called The Riverkeeper that the swarm is comprised of all males and that the females dart into the swarm - 2 or 2 ata a time, get "picked up" by a male and they ascend together (he "carrying" her) then head to the bank to mate. After about 20 minutes, the male returns to the swarm/dance and the female eventually heads back and oviposits onto the stream surface. The males may mate with more than one female and the females, after ovipositing, head to the woods, fields, whatever and die there. The author's suggestion is that occasionally, the coupled male and female don't execute their escape quite correctly and crash onto the surface where they struggle to uncouple - AND - according to the author, they are a prime target for hungry trout. He says he's had good sucess with this but fails to give any patterns. As I mention in another recent post, Mating of the black caddis - the matter is now, trying to tie an imitation of the fallen, struggling couple; and I don't know what body orientations, if any apply. Reify | |
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