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Mayfly dichotomous key

Joined:
2012/4/8 10:21
From Perkasie, PA
Posts: 101
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Anyone have a good mayfly dichotomous key or any others the like?

here is one I found that worked well to Id the march brown (my avatar) I was given the name of a few days ago. Knowing what I was looking for is cheating but it helps develop confidence when searching blind. I used dicotomous keys like this in reverse order in may Botony classes. Dichotomous key

And a simple anatomy chart?

here is one

Attach file:



jpg  mayanat.jpg (59.43 KB)
6310_4f8d7a2e622f6.jpg 760X469 px

Posted on: 2012/4/17 10:07

Edited by Pauly on 2012/4/17 10:23:27
Edited by Pauly on 2012/4/17 10:24:12


Re: Mayfly dichotomous key

Joined:
2008/1/31 17:19
From Pretty much everywhere at some point, Thorndale today.
Posts: 13667
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http://hatchesmagazine.com/page/january2006/86

I typically use this method, though not necessarily in this order. I have an excel file with all of the characteristics, and use the "sort" function extensively.

Generally, the characteristics I use first are:

1. Plain vs. mottled wing
2. Absent, small, or large hind wing.
3. Number of tails.

That gets me down to a workable half dozen or so genuses. Then decide between em by size, color, etc.

Posted on: 2012/4/17 11:03


Re: Mayfly dichotomous key

Joined:
2012/4/8 10:21
From Perkasie, PA
Posts: 101
Offline
Quote:

pcray1231 wrote:
http://hatchesmagazine.com/page/january2006/86

I typically use this method, though not necessarily in this order. I have an excel file with all of the characteristics, and use the "sort" function extensively.

Generally, the characteristics I use first are:

1. Plain vs. mottled wing
2. Absent, small, or large hind wing.
3. Number of tails.

That gets me down to a workable half dozen or so genuses. Then decide between em by size, color, etc.



That link is great... Thanks!

Posted on: 2012/4/17 12:47


Re: Mayfly dichotomous key

Joined:
2007/3/24 2:29
From Luzerne County, PA
Posts: 374
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Good stuff here guys, thanks!

Posted on: 2012/4/17 18:21


Re: Mayfly dichotomous key

Joined:
2006/9/13 10:18
From LV
Posts: 7887
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Thanks for that link Pcray.

Posted on: 2012/4/18 7:43
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Re: Mayfly dichotomous key

Joined:
2011/4/29 10:35
From Boiling Springs, PA
Posts: 44
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That key is from Roger Rohrbeck's website. http://www.flyfishingentomology.com/.

Posted on: 2012/4/20 10:03


Re: Mayfly dichotomous key

Joined:
2009/4/26 9:23
From Petersburg, Pa
Posts: 297
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I seen some march browns toady along the Juniata in Huntingdon. Wasn't sure what they were until I seen pauly's photo. It looks exactly like it. Two tails, mottled wings, creamish colored body with dark rings, and the legs each one had 2 stripes on each leg.

Posted on: 2012/4/20 22:24
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