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There are many species in this genus of mayflies, and some of them produce excellent hatches. Commonly known as Blue Quills or Mahogany Duns, they include some of the first mayflies to hatch in the Spring and some of the last to finish in the Fall.
In the East and Midwest, their small size (16 to 20, but mostly 18's) makes them difficult to match with old techniques. In the 1950s Ernest Schwiebert wrote in Matching the Hatch:
"The Paraleptophlebia hatches are the seasonal Waterloo of most anglers, for without fine tippets and tiny flies an empty basket is assured."
There are 26 more specimens...
Shawnny3 | April 6th, 2009, 11:50 am | |
Moderator Pleasant Gap, PAPosts: 1197 | I can't remember where I read or heard these things (might have been on this site), but I want to make sure my vague recollections are not totally false. When Paraleptophlebia are mating, do they make exaggerated dives in clouds above the stream? If so, do they often end up in the water at these times or do they fall as spinners much later? Finally, when they emerge, do they do so at the stream bottom and then swim to the surface as duns? Thanks for any help, Shawn | |
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis www.davisflydesigns.com | ||
Taxon | April 6th, 2009, 2:35 pm | |
Site Editor Royse City, TXPosts: 1350 | Shawn-I can't remember where I read or heard these things (might have been on this site), but I want to make sure my vague recollections are not totally false. When Paraleptophlebia are mating, do they make exaggerated dives in clouds above the stream? Yes, but not necessarily above the stream. If so, do they often end up in the water at these times(?) Yes, that has been reported. or do they fall as spinners much later? Immediately following mating, the female Paraleptophlebia spinner lands on the water in a wings up manner to release her eggs, and repeats this behavior several times before flying off to streamside vegetation. Finally, when they emerge, do they do so at the stream bottom and then swim to the surface as duns? No, they usually emerge at or in close proximity to the surface. However, their emergence is usually in close proximity to the stream edge, so it will often be in extremely shallow water. | |
Best regards, Roger Rohrbeck www.FlyfishingEntomology.com | ||
Lastchance | April 6th, 2009, 4:23 pm | |
Portage, PA Posts: 437 | So, are you saying that it's not much use trying to fish a blue quill hatch? Are nymphs lodged on the edge of the stream, too? I've tied blue quill nymphs and dries, but never had an opportunity to fish them. I've seen them darting erratically up and down in a cloud near the water, but I've never witnessed many fish rising to them. Is it the blue quills many people confuse with the darting tricos? I've always wondered about them. Educate me, please. I'm glad this topic was presented. Thanks, Bruce | |
Taxon | April 6th, 2009, 4:52 pm | |
Site Editor Royse City, TXPosts: 1350 | Bruce-So, are you saying that it's not much use trying to fish a blue quill hatch? Not sure how you might have gotten that impression from anything I responded to Shawn, but that is certainly not the case. When trout are keyed to emerging Paraleptophlebia duns, they will take the duns in shallow water. Is it the blue quills many people confuse with the darting tricos? Don't know the answer to that question. | |
Best regards, Roger Rohrbeck www.FlyfishingEntomology.com | ||
Martinlf | April 6th, 2009, 6:23 pm | |
Moderator Palmyra PAPosts: 3233 | Yes, people do often mistake BQ spinners for Tricos. I was told that the BQ spinners have a greater up and down motion, while the Tricos move more side to side, and I have verified that behavior. I was also told that the BQ spinners don't fall on the water, and that is why some often wait in vain for the spinner fall. Taxon seems to verify this when he says the females fly off to streamside vegetation after egglaying. On the other hand, I believe I've heard some say they have caught fish on BQ spinners, suggesting a spinner fall on the water. Perhaps this varies with different species. As for fishing the duns, I know the early BQ's, adoptiva, are a strong hatch in the spring on some waters such as Fishing Creek near Lamar PA. It's the summer BQ's that (logically, of course) get confused with Tricos. Long ago, looking for Tricos, I once waited and waited for the darn things to spend and fall to the water--but in vain. No fish rose to them. I know some who catch fish on the summer duns, though. | |
"He spread them a yard and a half. 'And every one that got away is this big.'" --Fred Chappell | ||
LittleJ | April 6th, 2009, 8:49 pm | |
Hollidaysburg Pa Posts: 251 | This sounds like a good situation to fish a Little Black Caddis (AKA stonefly this time of year) With a bead head paralep dead drift just below the surface film. I would think that the shallow water emergence would actually make this hatch more attractive, given that this time of year we are often fighting high water levels and the shallow eddies may be our best bet anyway. This post got me thinking, and the last time I was out, I do believe most of the fish I caught on my little black biot nymph, were on the far seams close to the bank. However I think this theory needs some more field work. If anyone is available to work for me this week let me know, I think i should take one for the team and run some extensive field tests on fishing creek. I hate to do it but......it's in the name of science. jeff | |
Konchu | April 7th, 2009, 9:10 am | |
Site Editor IndianaPosts: 505 | most of the paraleptophlebia species I have worked with locally emerge at the surface of the slower water near the stream bank, but I don't think this holds for all of them. the spinners that I have watched were swarming over some object in the stream (a swarm marker) around mid-day. I've found some females with eggs still in them on the surface, near death. what times of day have others seen the spinners in flight? | |
Shawnny3 | April 7th, 2009, 1:42 pm | |
Moderator Pleasant Gap, PAPosts: 1197 | Nice responses. Thanks to all. -Shawn | |
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis www.davisflydesigns.com | ||
Hannah101 | April 29th, 2009, 11:56 pm | |
Posts: 1 | what are some other adaptations for a mayfly phsiological, physical and behavioural? | |
Taxon | April 30th, 2009, 2:48 am | |
Site Editor Royse City, TXPosts: 1350 | Hannah101- Please don't be offended, but it seems like, if you are able to pose a question as sophisticated as that, you must already know much of the answer. | |
Best regards, Roger Rohrbeck www.FlyfishingEntomology.com | ||
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