Trucos de montaje

What's Dun?
By Leon F. Stenzel

Thanks for your e-mail . . . The one question that is bugging me as a beginner is the definition of the word "Dun." Every time I think I understand it is used in a completely different context. My original thought was that dun is a color, but after seeing it used in the context of a material and as a stage in the life as an insect I am once again hopelessly confused.

Maybe it is all of these things? Leon Stenzel

Thank you for the e-mail question. What is "Dun?" Dun is a color, Dun is a hackle, and Dun is a stage in an insects life cycle. It all depends on how the word "Dun" is used and in what context.

FAOL, has a Fly Tying Terms section, that has excerpts from Keith E. Perrault's, Perrault Standard Dictionary of Fishing Flies. Here are the definitions for Dun, listed there!

Dun: Color - usually some shade of gray.

Dun: Also the sub imago stage of a Mayfly.

Top to bottom, Dun, Shuck and Spinner all Hendricksons
"Sub imago" is the stage when the mayfly, shucks out of it nymph body, on the surface of the water, and unfolds it's wings. It is at this stage of its cycle of life, that the Mayfly is said to be a dun color.

The Mayfly will go thru another transformation once it gets to shore and rests on a leaf or branch, molts out of its shuck, into its final stage "Imago" becoming a Spinner Mayfly. In the last two stages of a mayfly's life, it does not have a mouth. The male mayflies have larger front legs for holding onto the females during the mating ritual during the spinner fall in the evening. Sorry about the extra info, but it helps to understand the cycles.

Dun Hackle: Gray-brown to medium gray, sometimes with a tinge of blue.

So is Dun some shade of gray (grey?) or is it Gray-brown to medium gray, sometimes with a tinge of blue. I have seen recipies for fly patterns that call for Dark Dun, how does that differ from light Black? I guess it is in the eye of the beholder. ~ Parnelli
Please check out the Fly Tying Section, on the Bulletin Board, on FAOL too.

If you have any questions, tips, or techniques; send them along. Someone else thought up most of this material before we did, they just forgot to tell anyone about it. Or else we just forgot about it, while learning something else. Let us share with each other, all the things we know! ~ Steven H. McGarthwaite (Chat Room AKA Parnelli)

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