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A Modified Sparkle Dun
I am familiar with the "Improved Sparkle Dun", but not the "Modified Sparkle Dun".
I was reading the wonderful book "Mayflies" by Knoff and Cormier. In it, they discuss the 4 stages of the Emerging Mayflies. They mention, in passing, using a "Modified Sparkle Dun" which they said they would elaborate on later in the chapter. They only referred to the "folded back position" of the wings. I never found any other info on it later in the chapter. Perhaps I missed it.
Anyone familiar with this version of the Sparkle Dun?
I thought, based on the reference above, it might just be like this instead of vertical winging fibers?
http://i1101.photobucket.com/albums/...ps5bab28dc.jpg
Thanks for any info you can provide for documentation and the source of the info.
Byron