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Sayfu | July 30th, 2013, 10:21 am | |
Posts: 560 | I turned to several Madison River, and another Montana River website for a fishing report, and twice it was reported that there "still were big nocturnal stone flies around" so fish a nocturnal stone pattern early in the morning. I called several of the fly shops in Island Park, ID not that far from the Madison, and they couldn't identify it. One shop said "maybe they meant caddis." Kelley Galloup of Michigan, and now Slide Inn fame on the Madison was one of the sites that reported the "big nocturnal stone." It is really to early for Claassenia to be emerging. We call those mutant stones, and the big, female egg layers are out flying upriver along the bushes early in the morning. | |
Taxon | July 30th, 2013, 2:46 pm | |
Site Editor Royse City, TXPosts: 1350 | Hi Jere- In as much as most stoneflies are "nocturnal" emergers, that doesn't seem to provide any useful identifying information. However "big" is much more useful. I suspect the largest stoneflies of family Pteronarcidae can be eliminated from the equation, as they would have surely been referred to on fly fishing websites or in fly shops as Salmonflies. So, I suspect what is being referred to is a stonefly of family Perlidae, which includes the following in ID: Calineuria californica (Western Stone) Claassenia sabulosa (Shortwing Stone) Doroneuria theodora (Montana Stone) Hesperoperla pacifica (Golden Stone) The only one of these that is not very well known is Dorineuria theodora, so my guess is, it may be the culprit. Hope this helps, | |
Best regards, Roger Rohrbeck www.FlyfishingEntomology.com | ||
Entoman | July 30th, 2013, 7:20 pm | |
Northern CA & ID Posts: 2604 | Ditto Taxon's commentary. The only thing I can add is that two large taeniopterygid (Willowfly) species may be a possibility. Though usually thought of as late Winter - Spring hatchers, Schwiebert reported that both Taenionema pacificum and pallidum hatch in MT as late as August. I've seen them late myself, but never in numbers I would consider "fishable". Both can be as large as 20mm. I wished the common name (Nocturnal Stonefly) was more help. Like the two of you, I have fished all over the West for more years than I care to mention and have never heard of it before, either. Perhaps (as Taxon seemed to suggest) the fly shop reports are merely describing their behavior? | |
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman | ||
Sayfu | August 1st, 2013, 9:30 am | |
Posts: 560 | In the one breath Galloup reports there is a big nocturnal stonefly still around, and in the next breath he says we are using epeorus emergers......and that is what we caught fish on yesterday, my last season's designed pink albert soft hackle emergers. We caught 6-8 browns, and cutthroats, and were really fishing them the wrong time of day. We were off the water at 12:30, and emergence is in the later part of the day. Last year we had great success from 3:00 on. | |
PaulRoberts | August 4th, 2013, 7:21 pm | |
Colorado Posts: 1776 | I thought most big stones were mostly nocturnal as adults. | |
Entoman | November 7th, 2013, 3:07 am | |
Northern CA & ID Posts: 2604 | Hi Paul, Yes - as a general rule for the vast majority of nearctic species. However, out West the important big boys engage in a lot of diurnal activity. Only 3 species make up the bulk of the biomass that is prodigious on many waters. Their hatches are also fairly consistent and coordinated. Each factor is at the opposite end of the scale from their eastern counterparts which explains why the former offer such renowned fishing while the latter don't. Regardless the species that Jere may be referring to, it is pretty clear that the reports are mentioning it only as a model for searching patterns as opposed to an actual fishable hatch. Its behavior sounds more like that of the plethora of minor eastern species. I would wager that the "Nocturnal Stone" is either the Shortwing Stone or Montana Stone renamed by those with little knowledge of the angling history/heritage of these critters, let alone their taxonomy.:) | |
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman | ||
Byhaugh | January 16th, 2014, 12:19 am | |
Hawaii Posts: 56 | I have been fishing that area for over 30 years. The hatches referred to there are almost always referred to as stone flies. The insects are active fliers during the day. I believe they crawl out of the river to molt on rocks and in brush. When the day warms up, they begin flying around. They are the Californicas. | |
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